K CHIGWAYA ,T KARUPPANAPANDIAN , D W VILJOEN, I J CROUCH, B NUGRAHA, P VERBOVEN, B M NICOLA?, E M CROUCH. X-ray CT and porosity mapping to determine the effect of ‘Fuji’ apple morphological and microstructural properties on the incidence of CO2 induced internal browning. Postharvest Biology and Technology, 2021, 174, 111464.
K CHIGWAYA , A D PLESSIS , D W VILJOEN , I J CROUCH, E M CROUCH Use of X-ray computed tomography and 3D image analysis to characterize internal browning in ‘Fuji’ apples after exposure to CO2 stress. Scientia Horticulturae, 2021, 277, 109840.
GOTTWALD, T.R., TAYLOR, E.L., AMORIM, L., BERGAMIN-FILHO, A., BASSANEZI, R.B., SILVA, G.J., JR., FOGLIATA, G., FOURIE, P.H., GRAHAM, J.H., HATTINGH, V., KRISS, A.B., LUO, W., MAGAREY, R.D., SCHUTTE, G.C., SP?SITO, M.B. Probabilistic risk-based model for the assessment of Phyllosticta citricarpa-infected citrus fruit and illicit plant material as pathways for pathogen introduction and establishment. (2021) Crop Protection, 142.
G KHUMALO, L GOEDHALS-GERBER A, P CRONJE, T BERRY The non-conformance of in-transit citrus container shipments to cold protocol markets: A systematic literature review Food Control, 2021,125,107947.
T BERRY, T DEFRAEYE, J NORTH, P CRONJE Cooling of ambient-loaded citrus in refrigerated containers: What impacts do packaging and loading temperature have? Biosysterms Engineering,2021 201, PP 11-22.
T DEFRAEYE, C SHRIVASTAVA, T BERRY, P ,R ROSSI Digital twins are coming: Will we need them in supply chains of fresh horticultural produce? Trends in Food Science and Technology,2021,109,PP.245-258.
AMBAW A, FADIJI T, OPARA UL. Thermo-Mechanical Analysis in the Fresh Fruit old Chain. A Review on Recent Advances. Foods. 2021; 10(6): 1357.
ARENDSE E, NIEUWOUDT H, MAGWAZA LS, NTURAMBIRWE JFI, FAWOLE OA, OPARA UL Recent advancements on vibrational spectroscopic techniques for the detection of authenticity and adulteration in horticultural products with a specific focus on oils, juices and powders. Food and Bioprocess Technology. 2021; 14(1): 1-22.
BLACKENBERG A, OPARA UL, FAWOLE AO. Postharvest losses in quantity and quality of Table Grape (cv. Crimson Seedless) along the supply chain and associated economic, environmental and resource impact.Sustainability. 2021, 13: 4450.
FADIJI T, ASHTIANI S-H M, ONWUDE DI, LI Z, OPARA UL. Finite element method for freezing and thawing industrial food processes. Foods. 2021; 10: 869.
KASEKE T, OPARA UL, FAWOLE OA. Blending of Sunflower Oil with Pomegranate Seed Oil from Blanched Seeds: Impact on Functionality, Oxidative Stability, and Antioxidant Properties. Processes. 2021; 9(4): 635.
KASEKE T, OPARA UL, FAWOLE OA.Effect of cultivar and blanching of pomegranate seeds on physicochemical properties, nutritional qualities and antioxidant capacity of extracted oil. Journal of Food Measurement and Characterization. 2021; 15: 93–106.
KASEKE T, OPARA UL, FAWOLE OA. Novel seeds pretreatment techniques: effect on oil quality and antioxidant properties: a review. Journal of Food Science and Technology. 2021; 4451-4464.
KASEKE T, OPARA UL, FAWOLE OA. Quality and Antioxidant Properties of Cold-Pressed Oil from Blanched and Microwave-Pretreated Pomegranate Seed.Foods. 2021; 10(4): 712.
KASEKE T, OPARA UL, FAWOLE OA. Effect of Enzyme Pretreatment of Seed on Physicochemical Properties, Bioactive Compounds, and Antioxidant Activity of Pomegranate Seed Oil. Molecules. 2021; 26: 4575.
KASEKE T, OPARA UL, FAWOLE OA. Oxidative stability and shelf-life of pomegranate seed oil from blanched and microwave pretreated seeds: Kinetic and thermodynamic studies under accelerated conditions. Journal of Food Processing and Preservation. 2021; 45(10).
KAWHENA TG, FAWOLE OA, OPARA UL.Application of dynamic controlled atmosphere technologies to reduce incidence of physiological disorders and maintain quality of ‘Granny Smith’ apples. Agriculture. 2021; 11: 491.
KAWHENA TG, OPARA UL, FAWOLE AO. Optimization of gum arabic and starch-based edible coatings with lemongrass oil using response surface methodology for improving postharvest quality of whole ‘Wonderful’ pomegranate fruit.Coatings. 2021; 11(4): 442.
KAWHENA TG, OPARA UL, FAWOLE OA.A comparative study of antimicrobial and antioxidant activities of plant essential oils and extracts as candidate ingredients for edible coatings to control decay in 'Wonderful' pomegranate. Molecules. 2021; 26(11): 3367.
LUFU R, AMBAW A, OPARA UL. Functional characterisation of lenticels, micro-cracks, wax patterns, peel tissue fractions and water loss of pomegranate fruit (cv. Wonderful) during storage.Postharvest Biology and Technology. 2021; 178: 111539.
LUFU R, AMBAW A, OPARA UL. The influence of internal packaging (liners) on moisture dynamics, physical and physiological quality of pomegranate fruit during cold storage. Foods. 2021; 10: 1388.
Magangana TP, Makunga NP, Fawole OA, Opara UL. Effect of solvent extraction and blanching pretreatment on phytochemical, antioxidant properties, enzyme inactivation and antibacterial activities of “Wonderful” pomegranate peel extracts. Processes. 2021; 9: 1012.
Nturambirwe JFI, Perold WJ, Opara UL. A Squid-Detected NMR Relaxation Study of Banana Fruit Ripening. Applied Engineering in Agriculture. 2021; 37(2): 219-231.
Nturambirwe JFI, Perold WJ, Opara UL. Classification learning of latent bruise damage to apples using shortwave infrared hyperspectral imaging. Sensors. 2021; 21: 4990.
OPARA IK, FAWOLE OA, KELLY C, OPARA UL. Quantification of on-farm pomegranate fruit postharvest losses and waste, and implications on sustainability indicators: South African case study. Sustainability. 2021; 13: 5168.
OPARA IK, FAWOLE OA, OPARA UL. Postharvest Losses of Pomegranate Fruit at the Packhouse and Implications for Sustainability Indicators. Sustainability. 2021; 13: 5187.
Magangana TP, Makunga NP, LA GRANGE C, STANDER MA, Fawole OA, Opara UL. Blanching pre-treatment promotes high yields, bioactive compounds, antioxidants, enzyme inactivation and antibacterial activity of ’Wonderful’ pomegranate peel extracts at three different harvest maturities. Antioxidants. 2021;10: 1119.
ARENDSE E, NIEUWOUDT H, FAWOLE OA, OPARA UL. The effect of different extraction methods on the quality and biochemical attributes of pomegranate juice and the application of Fourier transformed infrared spectroscopy in discriminating between different extraction methods. Frontiers in Plant Science. 2021; 12: 702575.
Fawole OA, Yanclo LJAO, Opara UL. Application of intermittent warming to enhance postharvest quality and extend the shelf life of pomegranate fruit (Punica granatum), African Journal of Science, Technology, Innovation and Development. 2021.
Mijwe A, Hoffman EW, Lotze E. Apple peel biochemical changes after foliar application of combined boron and calcium. II. Photosynthetic pigments, total peroxides and photochemical efficiency. American Journal of Plant Sciences. 2020; 11:939-964.
Mijwe A, Hoffman EW, Lotze E. Apple peel biochemical changes after foliar application of combined boron and calcium I. Phenolics and physico-chemical attributes. American Journal of Plant Sciences. 2020; 11:965-986.
Masike K, de Villiers A, Hoffman EW, Brand DJ, Stander M.Application of metabolomics tools to determine possible biomarker metabolites linked to leaf blackening in Protea.Journal of Agricultural and Food Chemistry. 2020; 68:12595-12605.
Masike K, de Villiers A, Hoffman EW, Brand DJ, Causon T, Stander M. Detailed phenolic characterization of Protea pure and hybrid cultivars by liquid chromatography-ion mobility-high resolution mass spectrometry (LC-IM-HR-MS). Journal of Agricultural and Food Chemistry Manuscript. 2020; 68:485-502.
THERON, S., ARCHER, E., MIDGLEY, S.J.E., WALKER, S. Agricultural perspectives on the 2015-2018 western cape drought, South Africa: Characteristics and spatial variability in the core wheat growing regions Agricultural and Forest Meteorology 2021; 304-305, 108405.
MUCHENA, L., DZIKITI, S., L?TZE, E., MIDGLEY, S.J.E. Using sap flow sensors to study the influence of rootstock and mid-summer water deficit on transpiration of apple trees in South Africa. Acta Horticulturae 2021; 1300: 201-209.
MUCHERI, T., PIETERSE, P.J., REINHARDT, C.F., KLEINERT, A. Physiological response of ryegrass (Lolium spp.) grown at different temperatures to glufosinate ammonium application South African Journal of Plant and Soil.
HAARHOFF, S.J., L?TZE, E., SWANEPOEL, P.A.Rainfed maize root morphology in response to plant population under no-tillage Agronomy Journal, 113(1), pp. 75-87.
Ntshidi Z, Dzikiti S, Mazvimavi D, Mobe NT. Mkunyana YP. Water use of selected cover crop species commonly grown in South African fruit orchards and their response to drought stress. Physics & Chemistry of the Earth 2021.
Xu Y, Pienaar HH, Braune E, Dzikiti S, Jovanovic N. Implementation of groundwater protection measures, particularly resource directed measures in South Africa: a review paper.Water Policy Journal. doi: 10.2166/wp.2021.016 (in press).
Mobe NT, Dzikiti S, Dube T, Mazvimavi D, Ntshidi Z. Modelling water utilization patterns in apple orchards with varying canopy sizes and different growth stages in semi-arid environments. Scientia Horticulturae 2021.
Shiferaw H., Alamirew T., Dzikiti S., Bewket W., Zeleke G., Schaffner U. Water use of Prosopis juliflora and its impacts on catchment water budget and rural livelihoods in Afar Region, Ethiopia. Scientific Reports (In press).
K I THERON. The use of plant growth regulators to manipulate European pear crop load Acta Horticulturae,1303, pp. 259-269.
202?0
KALCSITS L, L?TZE E, TAGLIAVINI M, HANNAMM KD, MIMMO T, NEILSEN D, NEILSEN G, ATKINSON D, CASAGRANDE BIASUZ E, BORRUSO L, CESCO S, FALLAHI E, PII U, VALVERDI NA. Recent achievements and new research opportunities for optimizing macronutrient availability, acquisition, and distribution for perennial fruit crops. Agronomy (ISSN 2073- 4395). Agronomy. 2020; 10 (11): 1738.
HAARHOFF SJ, L?TZE E, KOTZ? TN, SWANEPOEL PA. Rain-fed maize root morphology response to plant population under no-tillage. Agronomy Journal. 2020.
MWIJE A, HOFFMAN EW, L?TZE E. Apple Peel Biochemical Changes after Foliar Application of Combined Boron and Calcium I. Phenolics and Physico-Chemical Attributes. American Journal of Plant Sciences. 2020; 11: 965-986
MWIJE A, HOFFMAN EW, L?TZE E. Apple Peel Biochemical Changes after Foliar Application of Combined Boron and Calcium II. Photosynthetic Pigments, Total Peroxides and Photochemical Efficiency. American Journal of Plant Sciences. 2020; 11: 939-964
WHITE VG, HARDIE AG, RAATH PJ. Relationships between commonly used South African and international soil phosphorus extraction tests on pristine and cultivated soils. South African Journal of Plant and Soil. 2020. 37 (4), 265- 272. doi/abs/10.1080/02571862.2020.1741708
LADO J, AL?S E, MANZI M, CRONJE PJR, G?MEZ-CADENAS A, RODRIGO MJ, ZACAR?AS L. Light Regulation of Carotenoid Biosynthesis in the Peel of Mandarin and Sweet Orange Fruits. Frontiers in Plant Science. 2020; 10: 1288.
HATTINGH V, MOORE S, KIRKMAN W, GODDARD M, THACKERAY S, PEYPER M, SHARP G, CRONJ? P, PRINGLE K, CHA DH. An Improved Systems Approach as a Phytosanitary Measure for Thaumatotibia leucotreta (Lepidoptera: Tortricidae) in Export Citrus Fruit from South Africa. Journal of Economic Entomology. 2020; 113 (2): pp. 700-711.
ZACAR?AS L, CRONJE PJR, PALOU L. Postharvest technology of citrus fruits. In: The Genus Citrus, 2020. pp. 421-446.
POYATOS R, GRANDA V, FLO V, ADAMS MA, DZIKITI S, MART?NEZ-VILALTA J. Global transpiration data from sap flow measurements: the SAPFLUXNET database. Earth Systems Science Data. 2020.
NTSHIDI Z, DZIKITI S, D MAZVIMAVI, NT MOBE. Contribution of understorey vegetation to evapotranspiration partitioning in apple orchards under Mediterranean climatic conditions in South Africa. Agricultural Water Management. 2020.
NKOSI N, MOSTERT T, DZIKITI S, NTULI R. Prioritization of indigenous fruit tree species with domestication and commercialization potential in KwaZulu-Natal, South Africa. Genetic Resources and Crop Evaluation. 2020.
MOBE NT, DZIKITI S, ZIREBWA TF, MIDGLEY SJE, VON LOEPER W, MAZVIMAVI D, NTSHIDI Z, JOVANOVIC NZ. Estimating crop coefficients for apple orchards with varying canopy cover using measured data from twelve orchards in the Western Cape Province, South Africa. Agricultural Water Management. 2020.
MOBE NT, DZIKITI S, VOLSCHENK T, ZIBERWA SF, NTSHIDI Z, MIDGLEY SJE, STEYN WJ, L?TZE E, MPANDELI S, MAZVIMAVI D. Using sap flow data to assess variations in water use and water status of apple orchards of varying age groups in the Western Cape Province of South Africa. WaterSA. 2020. BUGAN R, GARC?A CL, JOVANOVIC N, TEICH I, FINK M, DZIKITI S. Estimating evapotranspiration in a semi-arid catchment: A comparison of hydrological modelling and remote sensing approaches. WaterSA. 2020.
MASIKE K, DE VILLIERS A, HOFFMAN EW, BRAND DJ, STANDER M. Application of metabolomics tools to determine possible biomarker metabolites linked to leaf blackening in Protea". Journal of Agricultural and Food Chemistry. 2020. ID: jf-2020-036072
MASIKE K, DE VILLIERS A, HOFFMAN EW, BRAND DJ, CAUSON T, STANDER M. Detailed phenolic characterization of Protea pure and hybrid cultivars by liquid chromatography-ion mobility-high resolution mass spectrometry (LC-IM-HR-MS). Journal of Agricultural and Food Chemistry Manuscript. 2020; 68(2): 485-502.
SMIT TG, TAYLOR NJ, MIDGLEY SJE. The seasonal regulation of gas exchange and water relations of field grown macadamia. Scientia Horticulturae. 2020; 267: 109346.
LUFU R, AMBAW A, BERRY T M, OPARA UL. Evaluation of the airflow characteristics, cooling kinetics and quality keeping performances of various internal plastic liners in pomegranate fruit packaging. Food Packaging and Shelf Life. 2020; 26.
ARENDSE E, NIEUWOUDT H, MAGWAZA LS, NTURAMBIRWE JFI, FAWOLE OA, OPARA UL. Recent advancements on vibrational spectroscopic techniques for the detection of authenticity and adulteration in horticultural products with a specific focus on oils, juices and powders. Food and Bioprocess Technology. 2020. In press.
ADETORO AO, OPARA UL, FAWOLE OA. Effect of hot-air and freeze-drying on the quality attributes of dried pomegranate (punica granatum l.) arils during long-term cold storage of whole fruit. Agriculture. 2020, 10, 493.
ADETORO AO, TSIGE AA, OPARA UL, FAWOLE OA. Mathematical Modelling of Blanch-Assisted Drying of Pomegranate (Punica granatum) Arils in a Hot-Air Drier. Processes, 2020; 8: 611.
ADETORO AO, OPARA UL, FAWOLE AO. Effect of Carrier Agents on the Physicochemical and Techno-functional Properties and Antioxidant Capacity of Freeze-Dried Pomegranate Juice (Punica granatum) Powder. Foods 2020; 9, 1388.
DUAN Y, WANG GB, FAWOLE OA, VERBOVEN P, ZHANG XR, WU D, OPARA UL, NICOLAI B, CHEN K. Postharvest precooling of fruit and vegetables: A review. Trends in Food Science & Technology. 2020; 100, 278-291.
FADIJI T, COETZEE C J, OPARA UL. Evaluating the displacement field of paperboard packages subjected to compression loading using digital image correlation (DIC). Food and Bio-products Processing. 2020; 123: 60–71.
FAWOLE OA, RIVA SC, OPARA UL. Efficacy of edible coatings in alleviating shrivel and maintaining quality of Japanese plum (Prunus salicina Lindl.) during export and shelf life conditions. Agronomy. 2020. 10,1023.
FAWOLE OA, ATUKURI J, ARENDSE E, OPARA UL. Postharvest physiological responses of pomegranate fruit (cv. Wonderful) to exogenous putrescine treatment and effects on physico-chemical and phytochemical properties. Food Science and Human Wellness. 2020; 9: 146-161.
HUSSEIN Z, FAWOLE OA, OPARA UL. Effects of bruising and storage duration on physiological response and quality attributes of pomegranate fruit. Scientia Horticulturae. 2020; 267, 109306.
KASEKE T, OPARA UL, FAWOLE OA. Effect of Blanching Pomegranate Seeds on Physicochemical Attributes, Bioactive Compounds and Antioxidant Activity of Extracted Oil. Molecules. 2020; 25(11), p.2554.
KASEKE T, OPARA UL, FAWOLE OA. Effect of cultivar and blanching of pomegranate seeds on physicochemical properties, nutritional qualities and antioxidant capacity of extracted oil. Journal of Food Measurement and Characterization. 2020.
KASEKE T, OPARA UL, FAWOLE OA. Effect of Microwave Pretreatment of Seeds on the Quality and Antioxidant Capacity of Pomegranate Seed Oil. Foods. 2020; 9(9): 1287.
KASEKE T, OPARA UL, FAWOLE OA. Fatty acid composition, bioactive phytochemicals, antioxidant properties and oxidative stability of edible fruit seed oil: effect of preharvest and processing factors. Heliyon 2020. 6:e04962.
LUFU R, AMBAW A, OPARA UL. Water loss of fresh fruit: Influencing preharvest, harvest and postharvest factors. Scientia Horticulturae. 2020. 272, 109519.
MUKAMA M, AMBAW A, OPARA UL. A virtual prototyping approach for redesigning the vent-holes of packaging for handling pomegranate fruit–A short communication. Journal of Food Engineering. 2020. 270: 109762.
MUKAMA M, AMBAW A, OPARA UL. Advances in design and performance evaluation of fresh fruit ventilated distribution packaging: A review. Food Packaging and Shelf Life. 2020. 24; 100472.
MUKAMA M, AMBAW A, OPARA UL. Thermophysical properties of fruit—a review with reference to postharvest handling. Journal of Food Measurement and Characterization. 2020; 14: 2917–2937.
NTURAMBIRWE JFI, PEROLD WJ, OPARA UL. A squid-detected nmr relaxation study of banana fruit ripening. Applied Engineering in Agriculture, 2020.
NTURAMBIRWE JFI, OPARA UL. Machine learning applications to non-destructive defect detection in horticultural products. Biosystems Engineering. 2020; 189: 60-83.
OLAREWAJU OO, MAGWAZA LS, FAWOLE OA, TESFAY SZ, OPARA UL. Canopy Position Affect Rind Biochemical Properties of ‘Marsh’Grapefruit during Postharvest Cold Storage at Non-chilling Temperature. International Journal of Fruit Science. 2020.
RIVA SC, OPARA UL, FAWOLE OA. Recent developments on postharvest application of edible coatings on stone fruit: A review. Scientia Horticulturae. 2020. 262
MAGANGANA TP, MAKUNGA NP, FAWOLE OA, OPARA UL. Processing Factors Affecting the Phytochemical and Nutritional Properties of Pomegranate (Punica granatum L.) Peel Waste: A Review. Molecules. 2020. 25(20), 4690;
HUSSEIN Z, FAWOLE OA, OPARA UL. Harvest and Postharvest Factors Affecting Bruise Damage of Fresh Fruits. Horticultural Plant Journal. 2020. 6 (1), 1-13.
ZONYANE S, FAWOLE OA, LA GRANGE C, STANDER MA, OPARA UL, MAKUNGA NP. The Implication of Chemotypic Variation on the Anti-Oxidant and Anti-Cancer Activities of Sutherlandia frutescens (L.) R. Br. (Fabaceae) from Different Geographic Locations. Antioxidants. 2020. 9(2) 152.
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2019
KRITZINGE I, L?TZE E. Quantification of lenticels in Japanese plum cultivars and their effect on peel water vapour permeance. Scientia Horticulturae. 2019; 254: 35-39.
L?TZE E, FRAZENBURG M, TURKETTI SS, DREYER L. Calcium dynamics of reproductive apple buds during the dormant season in the Western Cape, South Africa. Scientia Horticulturae. 2019; 256:
NYONI M, L?TZE E, MAZZOLA M, WESSELS JPB, MCLEOD A. Evaluating different approaches in the application of phosphonates for the control of apple root diseases. Australasian Plant Pathology. 2019; 48: 461-472.
WU W, BERETTA C, CRONJE P, HELLWEG S, DEFRAEYE T. Environmental trade-offs in fresh-fruit cold chains by combining virtual cold chains with life cycle assessment. Applied Energy. 2019; 254: art. no. 113586.
WU W, CRONJ? P, VERBOVEN P, DEFRAEYE T. Unveiling how ventilated packaging design and cold chain scenarios affect the cooling kinetics and fruit quality for each single citrus fruit in an entire pallet. Food Packaging and Shelf Life. 2019; 21.100369
LUFU R, AMBAW A, OPARA UL. The contribution of transpiration and respiration processes in the mass loss of pomegranate fruit (cv. Wonderful). Postharvest Biology and Technology. 2019; 157: 110982.
HUSSEIN Z, FAWOLE OA, OPARA UL. Harvest and Postharvest Factors Affecting Bruise Damage of Fresh Fruits. Horticultural Plant Journal. 2019.
MPHAHLELE RR, PATHARE PB, OPARA UL. Drying kinetics of pomegranate fruit peel (cv. Wonderful). Scientific African. 2019; e00145.
MUKAMA M, AMBAW A, OPARA UL. Thermal properties of whole and tissue parts of pomegranate (Punica granatum) fruit. Journal of Food Measurement and Characterization. 2019; 13 (2): 901-910.
BELAY ZA, CALEB OJ, MAHAJAN PV, FR?HLING A, OPARA UL. A simplex lattice design to optimise active modified atmosphere for storing pomegranate (cv. Wonderful) arils: Part II, determining optimum gas for maintaining quality attributes. Biosystems Engineering. 2019; 178: 322-335.
BELAY ZA, CALEB OJ, MAHAJAN PV, FR?HLING A, OPARA UL. A simplex lattice design to optimise active modified atmosphere for storing pomegranate (cv. Wonderful) arils: Part 1, determining optimum gas for physiological responses. Biosystems Engineering. 2019; 178: 309-321.
BELAY ZA, CALEB OJ, MAHAJAN PV, OPARA UL. Response of pomegranate arils (cv. Wonderful) to low oxygen stress under active modified atmosphere condition. Journal of the Science of Food and Agriculture. 2019; 99 (3), 1088-1097.
BERRY TM, AMBAW A, DEFRAEYE T, COETZEE C, OPARA UL. Moisture adsorption in palletised corrugated fibreboard cartons under shipping conditions: A CFD modelling approach. Food and Bioproducts Processing 2019; 114: 43-59.
HUSSEIN Z, FAWOLE OA, OPARA UL. Bruise damage susceptibility of pomegranates (Punica granatum, L.) and impact on fruit physiological response during short term storage. Scientia Horticulturae. 2019; 246: 664-674.
HUSSEIN Z, FAWOLE OA, OPARA UL. Determination of physical, biochemical and microstructural changes in impact-bruise damaged pomegranate fruit. Journal of Food Measurement and Characterization. 2019; 1-13
MAGWAZA LS, CARMEN ALAMAR M, TESFAY SZ, MDITSHWA A, OPARA UL, TERRY LA. Investigating the involvement of ABA, ABA catabolites and cytokinins in the susceptibility of ‘Nules Clementine’mandarin to rind breakdown disorder. Journal of the Science of Food and Agriculture. 2019.
MHELEMBE KG, KRIEL JH, BESTER C, ROODT-WILDING R, LOUW ED, TOBUTT KR. Molecular characterisation of apple accessions with respect to aminocyclopropane-1-carboxylic acid synthase gene (ACS1) polymorphism. Horticultural Science. 2020. 47, 2020 (1): 1-11.
MUKAMA M, AMBAW A, BERRY TM, OPARA UL. Analysing the dynamics of quality loss during precooling and ambient storage of pomegranate fruit. Journal of Food Engineering. 2019; 245: 166-173.
NTURAMBIRWE JFI, NIEUWOUDT HH, PEROLD WJ, OPARA UL. Non-destructive measurement of internal quality of apple fruit by a contactless NIR spectrometer with genetic algorithm model optimization. Scientific African. 2019. e00051.
OLAREWAJU OO, MAGWAZA LS, NIEUWOUDT H, POBLETE-ECHEVERR?A C, FAWOLE OA, TESFAY SZ, OPARA UL. Model development for non-destructive determination of rind biochemical properties of ‘Marsh’ grapefruit using visible to near-infrared spectroscopy and chemometrics. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 2019; 209: 62-69.
PFUKWA TM, FAWOLE OA, MANLEY M, GOUWS PA, OPARA UL, MAPIYE C. Food preservative capabilities of grape (Vitis vinifera) and Clementine Mandarin (Citrus reticulata) by-products wxtracts in South Africa. Sustainability. 2019; 11 (6), 1746.
GRUYTERS W, DEFRAEYE T, VERBOVEN P, BERRY T, AMBAW A, OPARA UL, NICOLAI B. Reusable boxes for a beneficial apple cold chain: a precooling analysis. International Journal of Refrigeration. 2019; 104:
FADIJI T, COETZEE CJ, OPARA UL. Analysis of the creep behaviour of ventilated corrugated paperboard packaging for handling fresh produce An experimental study. Food and Bioproducts Processing. 2019; 117: 126-137.
BELAY ZA, CALEB OJ, OPARA UL. Influence of initial gas modification on physicochemical quality attributes and molecular changes in fresh and fresh-cut fruit during modified atmosphere packaging. Food Packaging and Shelf Life. 2019; 21: 100359.
FADIJI TS, COETZEE C, BERRY TM, OPARA UL. Investigating the role of geometrical configurations of ventilated fresh produce packaging to improve the mechanical strength – Experimental and numerical approaches. Food Packaging and Shelf Life. 2019; 20: 100312.
OPARA UL, BERRY TM, AMBAW A. Optimization of horticultural carton vent hole design by CFD. in D.-W. Sun (Ed.), Computational Fluid Dynamics in Food Processing (2nd ed., p. 632). Boca Raton: CRC Press. 2019
2018
ARENDSE E, FAWOLE OA, MAGWAZA LS, NIEUWOUDT H, OPARA UL. Comparing the analytical performance of near and mid infrared spectrometers for evaluating pomegranate juice quality. LWT-Food Science and Technology 2018; 91:180-190.
ARENDSE E, FAWOLE OA, MAGWAZA LS, NIEUWOUDT H, OPARA UL. Evaluation of biochemical markers associated with the development of husk scald and the use of diffuse reflectance NIR spectroscopy to predict husk scald in pomegranate fruit. Scientia Horticulturae 2018; 232:240-249.
ARENDSE E, FAWOLE OA, MAGWAZA LS, NIEUWOUDT H, OPARA UL. Fourier transform near infrared diffuse reflectance spectroscopy and two spectral acquisition modes for evaluation of external and internal quality of intact pomegranate fruit. Postharvest Biology and Technology 2018; 138:91-98.
BELAY ZA, CALEB OJ, MAHAJAN PV, OPARA UL. Design of Active Modified Atmosphere and Humidity Packaging (MAHP) for 'Wonderful' pomegranate arils. Food and Bioprocess Technology 2018; 11:1478-1494.
CARSTENS E, LANGENHOVEN SD, PIERRON RJG, LAUBSCHER W, SERFONTEIN JJ, BEZUIDENHOUT CM, VENTER E, FOURIE PH, HATTINGH V, MOSTERT L. Elsinoe punicae causing scab of pomegranates in South Africa does not cause disease on citrus. AUSTRALASIAN PLANT PATHOLOGY 2018; 47:405-411.
CHIKWANHA OC, RAFFRENATO E, OPARA UL, FAWOLE OA, SETATI ME, MUCHENJE V, MAPIYE C. Impact of dehydration on retention of bioactive profile and biological activities of different grape (Vitis vinifera L.) pomace varieties. ANIMAL FEED SCIENCE AND TECHNOLOGY 2018; 244:116-127.
DZIKITI S, VOLSCHENK T, MIDGLEY SJE, L?TZE E, TAYLOR N, GUSH M, NTSHIDI Z, ZIREBWA FS, DOKO Q, SCHMEISSER M, JARMAIN C, STEYN WJ, PIENAAR HH. Estimating the water requirements of high yielding and young apple orchards in the winter rainfall areas of South Africa using a dual source evapotranspiration model. AGRICULTURAL WATER MANAGEMENT 2018; 208:152-162.
FADIJI TS, BERRY TM, COETZEE CJ, OPARA UL. Mechanical design and performance testing of corrugated paperboard packaging for the postharvest handling of horticulture produce. Biosystems Engineering 2018; 171:220-224.
FADIJI TS, COETZEE CJ, BERRY TM, TSIGE AA, OPARA UL. The efficacy of finite element analysis (FEA) as a design tool for food packaging. Biosystems Engineering 2018; 174:20-40.
FADIJI TS, TSIGE AA, COETZEE CJ, BERRY TM, OPARA UL. Application of finite element analysis to predict the mechanical strength of ventilated corrugated paperboard packaging for handling fresh produce. Biosystems Engineering 2018; 174:260-281.
?GETAHUN S, TSIGE AA, DELELE MA, MEYER CJ, OPARA UL. Experimental and numerical investigation of airflow inside refrigerated shipping containers. Food and Bioprocess Technology 2018; 11:1164-1176.
HUSSEIN ZH, FAWOLE OA, OPARA UL. Preharvest factors influencing bruise damage of fresh fruits. Scientia Horticulturae 2018; 229:45-58.
KRITZINGER I, THERON KI, L?TZE GFA, L?TZE E. Peel water vapour permeance of Japanese plums as indicator of susceptibility to postharvest shriveling. Scientia Horticulturae 2018; 242:188-194.
LOUW E, HOFFMAN EW, THERON KI, MIDGLEY SJE. Impact of temperature on autumn- and spring-initiated inflorescence systems within a biennial pruning system of Protea ‘Pink Ice’ cut flowers. Hortscience 2018; 53:295-303.
MANRAKHAN A, DANEEL JH, BECK R, THERON CD, WELDON CW, MOORE S, HATTINGH V. Non-host status of commercial export grade lemon fruit (Citrus limon (L.) Burman f. cv. Eureka) for Ceratitis capitata, Ceratitis rosa, Ceratitis quilicii and Bactrocera dorsalis (Diptera: Tephritidae) in South Africa. African Entomology 2018; 26:202-214.
MDITSHWA A, FAWOLE OA, OPARA UL. Recent developments on dynamic controlled atmosphere storage of apples-A review. Food Packaging and Shelf Life 2018; 16:59-68.
MUNHUWEYI K, CALEB OJ, VAN REENEN AJ, OPARA UL. Physical and antifungal properties of beta-cyclodextrin microcapsules and nanofibre films containing cinnamon and oregano essential oils. LWT-Food Science and Technology 2018; 87:413-422.
MUPAMBI G, SCHMEISSER M, DZIKITI S, REYNOLDS S, STEYN WJ. Ineffectiveness of foliar S-ABA application as an apple sunburn suppressant explained through effects on peel biochemistry and leaf ecophysiology. Scientia Horticulturae 2018; 232:256-263.
NCAMA K, TESFAY SZ, FAWOLE OA, OPARA UL, MAGWAZA LS. Non-destructive prediction of 'Marsh' grapefruit susceptibility to postharvest rind pitting disorder using reflectance Vis/NIR spectroscopy. Scientia Horticulturae 2018; 231:265-271.
OLAREWAJU OO, MAGWAZA LS, FAWOLE OA, TESFAY SZ, OPARA UL. Comparative effects of canopy position on physicochemical properties of 'Marsh' grapefruit during non-chilling postharvest cold storage. Scientia Horticulturae 2018; 241:1-7.
OPARA UL, FADIJI TS. Compression damage susceptibility of apple fruit packed inside ventilated corrugated paperboard package. Scientia Horticulturae 2018; 227:154-161.
SCHEFFLER OC, COETZEE CJ, OPARA UL. A discrete element model (DEM) for predicting apple damage during handling. Biosystems Engineering 2018; 172:29-48.
STANDER OPJ, BARRY GH, CRONJE PJR. Fruit load limits root growth, summer vegetative shoot development, and flowering in alternate- bearing 'Nadorcott' Mandarin trees. JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE 2018; 143(3):213-225.
STANDER OPJ, BARRY GH, CRONJE PJR. The significance of macronutrients in alternate bearing 'Nadorcott' mandarin trees. Hortscience 2018; 53:1600-1609.
STANDER OPJ, BOTES J, KROGSCHEEPERS C. The potential use of Metamitron as a chemical fruit-thinning agent in Mandarin. HORTTECHNOLOGY 2018; 28:28-34.
VAN NIEKERK JM, KOTZE C, NORTH JJ, CRONJE PJR. Effect of phosphonate applications, for Phytophthora brown rot control, on 'Nadorcott' mandarin external fruit quality. HORTTECHNOLOGY 2018; 28(4):470-475.
WU W, CRONJE PJR, NICOLAI BM, VERBOVEN P, OPARA UL, DEFRAEYE T. Virtual cold chain method to model the postharvest temperature history and quality evolution of fresh fruit - A case study for citrus fruit packed in a single carton. Computers and Electronics in Agriculture 2018; 144:199-208.
WU W, HALLER P, CRONJE PJR, DEFRAEYE T. Full-scale experiments in forced-air precoolers for citrus fruit: Impact of packaging design and fruit size on cooling rate and heterogeneity. Biosystems Engineering 2018; 169:115-125.
2017
ARENDSE E, FAWOLE OA, MAGWAZA LS, NIEUWOUDT H, OPARA UL. Development of calibration models for the evaluation of pomegranate aril quality by Fourier-transform near infrared spectroscopy combined with chemometrics. BIOSYSTEMS ENGINEERING 2017; 159:22-32.
ARENDSE E, FAWOLE OA, MAGWAZA LS, OPARA UL. Non-destructive prediction of internal and external quality attributes of fruit with thick rind: A review. JOURNAL OF FOOD ENGINEERING 2017; 217:11-23.
ATUKURI J, FAWOLE OA, OPARA UL. Effect of exogenous fludioxonil postharvest treatment on physiological response, physico-chemical, textural, phytochemical and sensory characteristics of pomegranate fruit. Journal of Food Measurement and Characterization 2017; 11(3):1081-1093.
BELAY ZA, CALEB OJ, MAHAJAN PV, OPARA UL. Application of simplex lattice mixture design for optimization of active modified atmosphere for pomegranate arils (cv. Wonderful) based on microbial criteria. Food Packaging and Shelf Life 2017; 14:12-17.
BELAY ZA, CALEB OJ, OPARA UL. Enzyme kinetics modelling approach to evaluate the impact of high CO2 and super-atmospheric O2 concentrations on respiration rate of pomegranate arils. CyTA-Journal of Food 2017; 15(4):608-616.
BELAY ZA, CALEB OJ, OPARA UL. Impacts of low and super-atmospheric oxygen concentrations on quality attributes, phytonutrient content and volatile compounds of minimally processed pomegranate arils (cv. Wonderful). Postharvest Biology and Technology 2017; 124:119-127.
BERRY TM, FADIJI TS, DEFRAEYE T, OPARA UL. The role of horticultural carton vent hole design on cooling efficiency and compression strength: A multi-parameter approach. POSTHARVEST BIOLOGY AND TECHNOLOGY 2017; 124:62-74.
COOK NC, CALITZ FJ, ALLDERMAN LA, STEYN WJ, LOUW ED. Diverse patterns in dormancy progression of apple buds under variable winter conditions. SCIENTIA HORTICULTURAE 2017; 226:307-315.
CRONJE PJR, ZACARIAS L, ALFEREZ F. Susceptibility to postharvest peel pitting in Citrus fruits as related to albedo thickness, water loss and phospholipase activity. POSTHARVEST BIOLOGY AND TECHNOLOGY 2017; 123:77-82.
DEFRAEYE T, WU W, PRAWIRANTO K, FORTUNATO G, KEMP S, HARTMANN S, CRONJE PJR, VERBOVEN P, NICOLAI BM. Artificial fruit for monitoring the thermal history of horticultural produce in the cold chain. JOURNAL OF FOOD ENGINEERING 2017; 215:51-56.
DZIKITI S, GUSH M, TAYLOR N, VOLSCHENK T, MIDGLEY SJE, L?TZE E, SCHMEISSER M, DOKO Q. Measurement and modelling of water use by high yielding apple orchards and orchards of different age groups in the winter rainfall areas of South Africa. Acta Horticulturae 2017; 1150(1):31-37.
FAWOLE OA, OPARA UL, CHEN L. Discrimination of pomegranate fruit at different harvest dates by instrumental and sensory measurements in consideration of long supply chains. Acta Horticulturae 2016; 1120(1):469-476.
FOURIE PH, SCHUTTE GC, CARSTENS E, HATTINGH V, PAUL I, MAGAREY RD, GOTTWALD TR, YONOW T, KRITICOS DJ. Scientific critique of the paper "Climatic distribution of citrus black spot caused by Phyllosticta citricarpa. A historical analysis of disease spread in South Africa" by Martínez-Minaya et al. (2015). EUROPEAN JOURNAL OF PLANT PATHOLOGY 2017; 148:497-502.
GETAHUN S, TSIGE AA, DELELE MA, MEYER CJ, OPARA UL. Analysis of airflow and heat transfer inside fruit packed refrigerated shipping container: Part I - Model development and validation. JOURNAL OF FOOD ENGINEERING 2017; 203:58-68.
GETAHUN S, TSIGE AA, DELELE MA, MEYER CJ, OPARA UL. Analysis of airflow and heat transfer inside fruit packed refrigerated shipping container: Part II - Evaluation of apple packaging design and vertical flow resistance. JOURNAL OF FOOD ENGINEERING 2017; 203:83-94.
GUARNACCIA V, GROENEWALD JZ, LI H, GLIENKE C, CARSTENS E, HATTINGH V, FOURIE PH, CROUS PW. First report of Phyllosticta citricarpa and description of two new species, P. paracapitalensis and P. paracitricarpa, from citrus in Europe. STUDIES IN MYCOLOGY 2017; 87:161-185.
KRITZINGER I, L?TZE E, JOOSTE MM. Stone hardening and broken stones in Japanese plums (Prunus salicina Lindl.) evaluated by means of computed tomography scans. SCIENTIA HORTICULTURAE 2017; 221:1-9.
MAGWAZA LS, MDITSHWA A, TESFAY SZ, OPARA UL. An overview of preharvest factors affecting vitamin C content of citrus fruit. SCIENTIA HORTICULTURAE 2017; 216:12-21.
MAGWAZA LS, OPARA UL. Non-destructive quantification of pomegranate internal quality structures using X-ray computed tomograph. Acta Horticulturae 2016; 1119(1):135-139.
MARAIS ML, SMIT Y, KOEN N, L?TZE E. Are the attitudes and practices of foodservice managers, catering personnel and students contributing to excessive food wastage at Stellenbosch 肆客足球?. South African Journal of Clinical Nutrition 2017; 30(3):60-67.
MBILI NC, OPARA UL, LENNOX CL, VRIES F. Citrus and lemongrass essential oils inhibit Botrytis cinerea on ‘Golden Delicious’, ‘Pink Lady’ and ‘Granny Smith’ apples. Journal of Plant Diseases and Protection 2017; 124:499-511.
MDITSHWA A, FAWOLE OA, VRIES F, VAN DER MERWE K, CROUCH EM, OPARA UL. Impact of dynamic controlled atmospheres on reactive oxygen species, antioxidant capacity and phytochemical properties of apple peel (cv. Granny Smith). SCIENTIA HORTICULTURAE 2017; 216:169-176.
MDITSHWA A, FAWOLE OA, VRIES F, VAN DER MERWE K, CROUCH EM, OPARA UL. Minimum exposure period for dynamic controlled atmospheres to control superficial scald in ‘Granny Smith’ apples for long distance supply chains. POSTHARVEST BIOLOGY AND TECHNOLOGY 2017; 127:27-34.
MDITSHWA A, FAWOLE OA, VRIES F, VAN DER MERWE K, CROUCH EM, OPARA UL. Repeated application of dynamic controlled atmospheres reduced superficial scald incidence in ‘Granny Smith’ apples. SCIENTIA HORTICULTURAE 2017; 220:168-175.
MDITSHWA A, MAGWAZA LS, TESFAY SZ, OPARA UL. Postharvest factors affecting vitamin C content of citrus fruits: A review. Scientia Horticulturae 2017; 218:95-104.
MOORE S, KIRKMAN W, STEPHEN PR, ALBERTYN S, LOVE CN, GROUT TG, HATTINGH V. Development of an improved postharvest cold treatment for Thaumatotibia leucotreta (Meyrick) (Lepidoptera: Tortricidae). POSTHARVEST BIOLOGY AND TECHNOLOGY 2017; 125:188-195.
MPHAHLELE RR, FAWOLE OA, MAKUNGA NP, OPARA UL. Functional properties of pomegranate fruit parts: influence of packaging systems and storage time. Journal of Food Measurement and Characterization 2017; 11(4):2233-2246.
MUKAMA M, TSIGE AA, BERRY TM, OPARA UL. Energy usage of forced air precooling of pomegranate fruit inside ventilated cartons. JOURNAL OF FOOD ENGINEERING 2017; 215:126-133.
MUNHUWEYI K, CALEB OJ, LENNOX CL, VAN REENEN AJ, OPARA UL. In vitro and in vivo antifungal activity of chitosan-essential oils against pomegranate fruit pathogens. POSTHARVEST BIOLOGY AND TECHNOLOGY 2017; 129:9-22.
MUNHUWEYI K, LENNOX CL, MEITZ-HOPKINS J, CALEB OJ, SIGGE GO, OPARA UL. Investigating the effects of crab shell chitosan on fungal mycelial growth and postharvest quality attributes of pomegranate whole fruit and arils. SCIENTIA HORTICULTURAE 2017; 220:78-89.
MUPAMBI G, SCHMEISSER M, L?TZE E, MALAN C, DZIKITI S, STEYN WJ. Effect of supplementary irrigation at high ambient temperatures on sunburn, plant physiology, soil and canopy environment of 'Granny Smith' apple. Acta Horticulturae 2017; 1150:239-244.
NCAMA K, OPARA UL, TESFAY SZ, FAWOLE OA, MAGWAZA LS. Application of Vis/NIR spectroscopy for predicting sweetness and flavour parameters of ‘Valencia’ orange (Citrus sinensis) and ‘Star Ruby’ grapefruit (Citrus x paradisi Macfad). JOURNAL OF FOOD ENGINEERING 2017; 193:86-94.
OLAREWAJU OO, MAGWAZA LS, FAWOLE OA, TESFAY SZ, OPARA UL. Role of canopy positions on rind biochemical concentrations and radical-scavenging activities in relation to rind breakdown of 'Nules Clementine' mandarins stored at non-chilling temperature. SCIENTIA HORTICULTURAE 2017; 226:231-240.
OPARA UL, HUSSEIN ZH, CALEB OJ. Phytochemical Properties and Antioxidant Activities of Minimally Processed “Acco” Pomegranate Arils as Affected by Perforation‐Mediated Modified Atmosphere Packaging. JOURNAL OF FOOD PROCESSING AND PRESERVATION 2017; 41(3):1-9.
SERRA I, STREVER AE, MYBURGH PA, SCHMEISSER M, DELOIRE AJ. Grapevine ( Vitis vinifera L.'Pinotage') leaf stomatal size and density as modulated by different rootstocks and scion water status. Acta Horticulturae 2017; 1157(1):117- 181.
STANDER OPJ, BARRY GH, CRONJE PJR. Fruit-load-induced starch accumulation causes leaf chlorosis in "off" 'Nadorcott' mandarin trees. SCIENTIA HORTICULTURAE 2017; 222:62-66.
STANDER OPJ, GILBERT MJ, MOORE S, KIRKMAN W, SCHUTTE GC. Benefits of reducing the size of the navel-end opening in ‘Navel’ sweet oranges (Citrus sinensis) . CROP PROTECTION 2017; 96:123-129.
THERON KI, DE VILLIERS MHJ, STEYN WJ. The effect of mechanical bloom thinning with the Darwin 300TM, on the time required for hand thinning, yield, fruit size and fruit quality in 'Zephyr' nectarine. Acta Horticulturae 2016; 1130(1):631- 637.
THERON KI, STEENKAMP H, L?TZE GFA, STEYN WJ. The efficacy of chemical and mechanical thinning strategies for 'African RoseTM' Japanese plum (Prunus salacina Lindl.). Acta Horticulturae 2016; 1138(1):61-67.
THERON KI, STEENKAMP H, STEYN WJ. Efficacy of ACC (1-aminocyclopropane-1-carboxylic acid) as a chemical thinner alone or combined with mechanical thinning for Japanese plums (Prunus salacina). HORTSCIENCE 2017; 52(1):110- 115.
TSIGE AA, DEKEYSER D, VANWALLEGHEM T, VAN HEMELRIJCK W, NUYTTENS D, DELELE MA, RAMON H, NICOLAI BM, BYLEMANS D, OPARA UL, VERBOVEN P. Experimental and numerical analysis of the spray application on apple fruit in a bin for postharvest treatments. JOURNAL OF FOOD ENGINEERING 2017; 202:34-45.
TSIGE AA, MUKAMA M, OPARA UL. Analysis of the effects of package design on the rate and uniformity of cooling of stacked pomegranates: Numerical and experimental studies. COMPUTERS AND ELECTRONICS IN AGRICULTURE 2017; 136:13-24.
VAN DAEL M, HERREMANS E, VERBOVEN P, OPARA UL, NICOLAI BM, LEBOTSA PS. Automated online detection of granulation in oranges using X-ray radiographs. Acta Horticulturae 2016; 1119(1):179-182.
VAN DER MERWE GJ, THERON KI, KOTZE WP, STEYN WJ. Evaluating the use of harvesting systems and worker platforms in the South African deciduous fruit industry. Acta Horticulturae 2016; 1130(1):597-603.
2016
ARENDSE E, FAWOLE OA, MAGWAZA LS, OPARA UL. Estimation of the density of pomegranate fruit and their fractions using X-ray computed tomography calibrated with polymeric materials. BIOSYSTEMS ENGINEERING 2016; 148:148- 156.
ARENDSE E, FAWOLE OA, MAGWAZA LS, OPARA UL. Non-destructive characterization and volume estimation of pomegranate fruit external and internal morphological fractions using X-ray computed tomography. JOURNAL OF FOOD ENGINEERING 2016; 186:42-49.
BELAY ZA, CALEB OJ, OPARA UL. Modelling approaches for designing and evaluating the performance of modified atmosphere packaging (MAP) systems for fresh produce: A review. Food Packaging and Shelf Life 2016; 10:1-15.
BERRY TM, DEFRAEYE T, NICOLAI BM, OPARA UL. Multiparameter Analysis of Cooling Efficiency of Ventilated Fruit Cartons using CFD: Impact of Vent Hole Design and Internal Packaging. Food and Bioprocess Technology 2016; 9(9):1481-1493.
BLANCKENBERG A, MULLER M, THERON KI, CROUCH EM, STEYN WJ. Harvest maturity and ripeness differentially affects consumer preference of 'Forelle', 'Packham's Triumph' and 'Abate Fetel' pears (Pyrus communis L.). SCIENTIA HORTICULTURAE 2016; 207:131-139.
DEFRAEYE T, NICOLAI BM, KIRKMAN W, MOORE S, VAN NIEKERK S, VERBOVEN P, CRONJE PJR. Integral performance evaluation of the fresh-produce cold chain: A case study for ambient loading of citrus in refrigerated containers. POSTHARVEST BIOLOGY AND TECHNOLOGY 2016; 112(1):1-13.
DELELE MA, NUYTTENS D, DUGA AT, TSIGE AA, LEBEAU F, NICOLAI BM, VERBOVEN P. Predicting the dynamic impact behaviour of spray droplets on flat plant surfaces. Soft Matter 2016; 12:7195-7211.
FADIJI TS, COETZEE CJ, CHEN L, CHUKWU O, OPARA UL. Susceptibility of apples to bruising inside ventilated corrugated paperboard packages during simulated transport damage. POSTHARVEST BIOLOGY AND TECHNOLOGY 2016; 118:111- 119.
FADIJI TS, COETZEE CJ, OPARA UL. Compression strength of ventilated corrugated paperboard packages: Numerical modelling, experimental validation and effects of vent geometric design. BIOSYSTEMS ENGINEERING 2016; 151:231- 247.
FADIJI TS, COETZEE CJ, PATHARE P, OPARA UL. Susceptibility to impact damage of apples inside ventilated corrugated paperboard packages: Effects of package design. POSTHARVEST BIOLOGY AND TECHNOLOGY 2016; 111:286-296.
FAWOLE OA, OPARA UL. Stability of total phenolic concentration and antioxidant capacity of extracts from pomegranate co-products subjected to in vitro digestion. BMC Complementary and Alternative Medicine 2016; 16:358, 10 pages.
GOEDHALS-GERBER LL, HAASBROEK LM, VAN DYK E, DODD MC. Case Study: Investigating the causes of temperature breaks in South African summer fruit export cold chains. PONTE 2016; 72(8):249-262.
HENGARI SN, THERON KI, MIDGLEY S, STEYN WJ. Differential dependence of apple (Malus domestica Borkh.) cultivars on the xanthophyll cycle for photoprotection. South African Journal of Plant and Soil 2016; 33(1):69-76.
HU MH, DONG QL, LIU BL, OPARA UL. Prediction of mechanical properties of blueberry using hyperspectral interactance imaging. POSTHARVEST BIOLOGY AND TECHNOLOGY 2016; 106:1-10.
JIAN C, CHEN L, OPARA UL. Numerical simulation of powder dispersion performance by different mesh types. Key Engineering Materials 2016; 680:82-85.
KELLERMAN M, JOUBERT J, ERASMUS A, FOURIE PH. The effect of temperature, exposure time and pH on imazalil residue loading and green mould control on citrus through dip application. POSTHARVEST BIOLOGY AND TECHNOLOGY 2016; 121:159-164.
L?TZE E, HOFFMAN EW. Nutrient composition and content of various biological active compounds of three South African-based commercial seaweed biostimulants. JOURNAL OF APPLIED PHYCOLOGY 2016; 28:1379-1386.
MAGWAZA LS, OPARA UL, CRONJE PJR, LANDAHL S, ORDAZ ORTIZ J, TERRY LEON. Rapid methods for extracting and quantifying phenolic compounds in citrus rinds. Food Science and Nutrition 2016; 4(1):4-10.
MDITSHWA A, FAWOLE OA, VRIES F, VAN DER MERWE K, CROUCH EM, OPARA UL. Classification of 'Granny Smith' apples with different levels of superficial scald severity based on targeted metabolites and discriminant analysis. JOURNAL OF APPLIED BOTANY AND FOOD QUALITY 2016; 89:49-55.
MOORE S, KIRKMAN W, ALBERTYN S, HATTINGH V. Comparing the Use of Laboratory-Reared and Field-Collected Thaumatotibia leucotreta (Lepidoptera: Tortricidae) Larvae for Demonstrating Efficacy of Postharvest Cold Treatments in Citrus Fruit. JOURNAL OF ECONOMIC ENTOMOLOGY 2016; 109(4):1571-1577.
MOORE S, KIRKMAN W, ALBERTYN S, LOVE CN, COETZEE JA, HATTINGH V. Partial cold treatment of citrus fruit for export risk mitigation for Thaumatotibia leucotreta (Lepidoptera: Tortricidae) as part of a systems approach. JOURNAL OF ECONOMIC ENTOMOLOGY 2016; 109(4):1578-1585.
MOORE S, KIRKMAN W, HATTINGH V. Verification of Inspection Standards and Efficacy of a Systems Approach for Thaumatotibia leucotreta (Lepidoptera: Tortricidae) for Export Citrus From South Africa. JOURNAL OF ECONOMIC ENTOMOLOGY 2016; 109(4):1564-1570.
MPHAHLELE RR, CALEB OJ, FAWOLE OA, OPARA UL. Effects of different maturity stages and growing locations on changes in chemical, biochemical and aroma volatile composition of 'Wonderful' pomegranate juice. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2016; 96(3):1002-1009.
MPHAHLELE RR, FAWOLE OA, MAKUNGA NP, OPARA UL. Effect of drying on the bioactive compounds, antioxidant, antibacterial and antityrosinase activities of pomegranate peel. BMC Complementary and Alternative Medicine 2016; 16:143, 12 pages.
MPHAHLELE RR, FAWOLE OA, MOKWENA LM, OPARA UL. Effect of extraction method on chemical, volatile composition and antioxidant properties of pomegranate juice. SOUTH AFRICAN JOURNAL OF BOTANY 2016; 103:135-144.
MPHAHLELE RR, FAWOLE OA, OPARA UL. Influence of packaging system and long term storage on physiological attributes, biochemical quality, volatile composition and antioxidant properties of pomegranate fruit. SCIENTIA HORTICULTURAE 2016; 211:140-151.
MUNHUWEYI K, LENNOX CL, MEITZ-HOPKINS J, CALEB OJ, OPARA UL. Major diseases of pomegranate (Punica granatum L.), their causes and management-A review. SCIENTIA HORTICULTURAE 2016; 211:126-139.
MUNHUWEYI K, OPARA UL, SIGGE GO. Postharvest losses of cabbages from retail to consumer and the socio-economic and environmental impacts. British Food Journal 2016; 118(2):286-300.
MUZIRI T, THERON KI, CANTRE B, WANG ZI, VERBOVEN P, NICOLAI BM, CROUCH EM. Microstructure analysis and detection of mealiness in 'Forelle' pear (Pyrus communis L.) by means of X-ray computed tomography. POSTHARVEST BIOLOGY AND TECHNOLOGY 2016; 120:145-156.
OPARA UL, CALEB OJ, UCHECHUKWU-AGUA AD. Evaluating the Impacts of Selected Packaging Materials on the Quality Attributes of Cassava Flour. JOURNAL OF FOOD SCIENCE 2016; 81(2):324-331.
STANDER OPJ, CRONJE PJR. Reviewing the commercial potential of hand thinning in citrus with a cost-benefit analysis of summer hand thinning of 'Nadorcott' Mandarin. HORTTECHNOLOGY 2016; 26(2):206-212.
TSIGE AA, BESSEMANS N, GRUYTERS W, GWANPUA SG, SCHENK A, DE ROECK A, DELELE MA, VERBOVEN P, NICOLAI BM. Analysis of the spatiotemporal temperature fluctuations inside an apple cool store in response to energy use concerns. INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID 2016; 66:156-168.
VAN DAEL M, LEBOTSA PS, HERREMANS E, VERBOVEN P, SIJBERS J, OPARA UL, CRONJE PJR, NICOLAI BM. A segmentation and classification algorithm for online detection of internal disorders in citrus using X-ray radiographs. POSTHARVEST BIOLOGY AND TECHNOLOGY 2016; 112:205-214.
2015
ARENDSE E, FAWOLE OA, OPARA UL. Discrimination of Pomegranate Fruit Quality by Instrumental and Sensory Measurements during Storage at Three Temperature Regimes. Journal of Food Processing and Preservation 2015; 39:1867-1877.
BANDA K, CALEB OJ, JACOBS K, OPARA UL. Effect of active-modified atmosphere packaging on the respiration rate and quality pomegranate arils (cv. Wonderful). Postharvest Biology and Technology 2015; 109:97-105.
CALEB OJ, FAWOLE OA, MPHAHLELE RR, OPARA UL. Impact of preharvest and postharvest factors on changes in volatile compounds of pomegranate fruit and minimally processed arils - Review. Scientia Horticulturae 2015; 188:106-114.
CRONJE A, CROUCH EM, MULLER M, THERON KI, VAN DER RIJST M, STEYN WJ. Canopy position and cold storage affects mealiness incidence and consumer preference for the appearance and eating quality of 'Forelle' pears. Scientia Horticulturae 2015; 194:327-336.
CROUS JJ, STEYN WJ. Chemical thinning of 'Barouni' and 'Manzanilla' olives with naphthalene acetic acid under South African conditions. South African Journal of Plant and Soil 2015; 32(1):47-54.
DEFRAEYE T, CRONJE PJR, BERRY TM, OPARA UL, EAST A, HERTOG M, VERBOVEN P, NICOLAI BM. Towards integrated performance evaluation of future packaging for fresh produce in the cold chain. Trends in Food Science & Technology 2015; 44(2):201-225.
DEFRAEYE T, CRONJE PJR, VERBOVEN P, OPARA UL, NICOLAI BM. Exploring ambient loading of citrus fruit into reefer containers for cooling during marine transport using computational fluid dynamics. Postharvest Biology and Technology 2015; 108(1):91-101.
DEFRAEYE T, VERBOVEN P, OPARA UL, NICOLAI BM, CRONJE PJR. Feasibility of ambient loading of citrus fruit into refrigerated containers for cooling during marine transport. Biosystems Engineering 2015; 134(1):20-30.
DERBYSHIRE G, HOFFMAN EW, KEMPEN E. The role of nutrient solution composition on the uptake of nutrients, growth and vase life of tulips grown hydroponically under South African conditions. South African Journal of Plant and Soil 2015; 32(3):129-137.
HENDRICKS DT, HOFFMAN EW, L?TZE E. Improving fruit quality and tree health of Prunus Persica cv. 'Sandvliet' through combined mineral and salicylic acid foliar applications. Scientia Horticulturae 2015; 187:65-71.
HU MH, DONG QL, LIU BL, OPARA UL, CHEN L. Estimating blueberry mechanical properties based on random frog selected hyperspectral data. Postharvest Biology and Technology 2015; 106:1-10.
HUSSEIN ZH, CALEB OJ, JACOBS K, MANLEY M, OPARA UL. Effect of perforation-mediated modified atmosphere packaging and storage duration of physiocochemical properties and microbial quality of fresh minimally processed 'Acco' pomegranate arils. LWT-Food Science and Technology 2015; 64:911-918.
LADO JL, CRONJE PJR, ALQUEZAR B, PAGE A, MANZI M, GOMEZ-CADENAS A, STEAD A, ZACARIAS L, RODRIGO MJ. Fruit shading enhances peel color, carotenes accumulation and chromoplast differentiation in red grapefruit. Physiologia Plantarum 2015; 154(4):469-484.
LADO JL, RODRIGO MJ, CRONJE PJR, ZACARIAS L. Involvement of lycopene in the induction of tolerance to chilling injury in grapefruit. Postharvest Biology and Technology 2015; 100(1):176-186.
L?TZE E, TURKETTI SS. Efficacy of Foliar Application of Calcium Products on Tomatoes as Defined by Penetration Depth of and Concentration within Fruit Tissues. Journal of Plant Nutrition 2015; 38:2112-2125.
L?TZE E, WILSDORF R, TURKETTI SS, PRZYBYLOWICZ WJ, MESJASZ-PRZYBYLOWICZ J. Re-Visiting Calcium Concentration and Distribution in Apple Fruit (Malus domestica Borkh.). Journal of Plant Nutrition 2015; 38:1469-1477.
LOUW E, HOFFMAN EW, THERON KI, MIDGLEY S. Physiological and phenological responses of Protea 'Pink Ice' to elevated temperatures . South African Journal of Botany 2015; 99:93-102.
MAGWAZA LS, OPARA UL. Analytical methods for determination of sugars and sweetness of horticultural products - A review. Scientia Horticulturae 2015; 184:179-192.
MAKEREDZA B, MARAIS H, SCHMEISSER M, L?TZE E, STEYN WJ. Ripening Associated Red Color Development Masks Sunburn Browning in Apple Peel. Hortscience 2015; 50(6):814-818.
MANRAKHAN A, STEPHEN PR, CRONJE PJR. Phytotoxic effect of GF-120 NF fruit fly bait on fruit of mandarin (Citrus reticulata Blanco cv. Nadorcott): Influence of bait characteristics and fruit maturity stage. Crop Protection 2015; 78(1):48-53.
MDITSHWA A, VRIES F, VAN DER MERWE K, CROUCH EM, OPARA UL. Antioxidant content and phytochemical properties of apple 'Granny Smith' at different harvest times. South African Journal of Plant and Soil 2015; 32(4):221-226.
MUPAMBI G, VERREYNNE JS, STANDER OPJ, CRONJE PJR. Optimal timing of applicationof 2,4-D on 'Navel' sweet orange [Citrus sinensis (Osbeck)] reduces the size of the navel end. Journal of Horticultural Science & Biotechnology 2015; 90(6):619-625.
OPARA UL, ATUKURI J, FAWOLE OA. Application of physical and chemical postharvest treatments to enhance storage and shelf life of pomegranate fruit-A review. Scientia Horticulturae 2015; 197:41-49.
OPARA UL, HUSSEIN ZH, CALEB OJ, MAHAJAN PV. Investigating the Effects of Perforation and Storage Temperature on Water Vapour Transmission Rate of Packaging Films: Experimental and Modelling Approaches. Wulfenia 2015; 22(9):498-509.
UCHECHUKWU-AGUA AD, CALEB OJ, MANLEY M, OPARA UL. Effects of storage conditions and duration on physicochemical and microbial quality of the flour of two cassava cultivars (TME 419 and UMUCASS 36). CyTA-Journal of Food 2015; 13(4):635-645.
UCHECHUKWU-AGUA AD, CALEB OJ, OPARA UL. Postharvest Handling and Storage of Fresh Cassava Root and Products: a Review. Food and Bioprocess Technology 2015; 8:729-748.
VAN DER MERWE A, MULLER M, VAN DER RIJST M, LABUSCHAGNE I, NAES T, STEYN WJ. Impact of appearance on degree of liking and eating quality expectations of selected apple cultivars. International Journal of Food Science and Technology 2015; 50:492-499.
2014
AINDONGO WV, CALEB OJ, MAHAJAN PV, MANLEY M, OPARA UL. Effects of storage conditions on transpiration rate of pomegranate aril-sacs and arils. South African Journal of Plant and Soil 2014; 31(1) : 7-11.
AINDONGO WV, CALEB OJ, MAHAJAN PV, MANLEY M, OPARA UL. Modelling the effects of storage temperature on the respiration rate of different pomegranate fractions. South African Journal of Plant and Soil 2014; 31(4): 227-231.
AMBAW A, VERBOVEN P, DELELE MA, DEFRAEYE T, TIJSKENS E, SCHENK A, VERLINDEN BE, OPARA UL, NICOLAI BM. CFD-based analysis of 1-MCP distribution in commercial cool store rooms: Porous medium model application. Food and Bioprocess Technology 2014; 7 : 1903-1916.
ARENDSE E, FAWOLE OA, OPARA UL. Effects of postharvest storage conditions on phytochemical and radical-scavenging activity of pomegranate fruit (cv. Wonderful). Scientia Horticulturae 2014; 169 : 125-129.
ARENDSE E, FAWOLE OA, OPARA UL. Influence of storage temperature and duration on postharvest physico-chemical and mechanical properties of pomegranate fruit and arils. CyTa-Journal of Food 2014; 12(4) : 389-398.
DEFRAEYE T, LAMBRECHT R, DELELE MA, TSIGE AA, OPARA UL, CRONJE PJR, VERBOVEN P, NICOLAI BM. Forced-convective cooling of citrus fruit: Cooling conditions and energy consumption in relation to package design. Journal of Food Engineering 2014; 121 : 118-127.
DREYER C, THERON KI. The efficacy of 6-benzyladenine, gibberellins 4+7 and prohexadione-calcium to increase fruit size in 'Forelle' and 'Abate Fetel' pear. South African Journal of Plant and Soil 2014; 31(1) : 53-59.
FAWOLE OA, OPARA UL. Physicomechanical, phytochemical, volatile compounds and free radical scavenging properties of eight pomegranate cultivars and classification by principal component and cluster analyses. British Food Journal 2014; 116(3) : 544-567.
GOUWS A, STEYN WJ. The effect of temperature, region and season on red colour development in apple peel under constant irradiance. Scientia Horticulturae 2014; 173 : 79-85.
HAMADZIRIPI ET, THERON KI, MULLER M, STEYN WJ. Apple compositional and peel color differences resulting from canopy microclimate affect consumer preference for eating quality and appearance. Hortscience 2014; 49(3) : 384- 392.
HENGARI S, THERON KI, MIDGLEY SJE, STEYN WJ. Response of apple (Malus domestica Borkh.) fruit peel photosystems to heat stress coupled with moderate photosynthetic active radiation at different fruit developmental stages. Scientia Horticulturae 2014; 178 : 154-162.
HENGARI S, THERON KI, MIDGLEY SJE, STEYN WJ. The effect of high UV-B dosage on apple fruit photosystems at different fruit maturity stages. Scientia Horticulturae 2014; 170 : 103-114.
JOOSTE MM, ROHWER EA, KIDD M, HUYSAMER M. Comparison of antioxidant levels and cell membrane composition during fruit development in two plum cultivars (Prunus salicina Lindl.) differing in chilling resistance. Scientia Horticulturae 2014; 180 : 176-189.
KELLERMAN M, ERASMUS A, CRONJE PJR, FOURIE PH. Thiabendazole residue loading in dip, drench and wax coating applications to control green mould and chilling injury on citrus fruit. Postharvest Biology and Technology 2014; 96 : 78-87.
LADO J, RODRIGO MJ, CRONJE PJR, ZACAR?AS L. Involvement of lycopene in the induction of tolerance to chilling injury in grapefruit. Postharvest Biology and Technology 2014; 100 : 176-186.
L?TZE E, HOFFMAN EW. Foliar application of calcium plus boron reduces the incidence of sunburn in 'Golden Delicious' apple. Journal of Horticultural Science and Biotechnology 2014; 89(6) : 607-612.
MAGUYLO K, COOK NC, THERON KI. Primigenic and positional dominance among reproductive buds in shoots of two apple (Malus x domestica (Borkh.)) cultivars in a warmer and cooler site. Trees-Structure and Function 2014; 28 : 625- 634.
MAGWAZA LS, LANDAHL S, CRONJE PJR, NIEUWOUDT HH, MOUNEM MOUAZEN A, NICOLAI BM, TERRY LA, OPARA UL. The use of Vis/NIRS and chemometric analysis to predict fruit defects and postharvest behaviour of ‘Nules Clementine’ mandarin fruit. Food Chemistry 2014; 163 : 267-274.
MAGWAZA LS, OPARA UL, CRONJE PJR, LANDAHL S, NIEUWOUDT HH, MOUNEM MOUAZEN A, NICOLAI BM, TERRY LA. Assessment of rind quality of ‘Nules Clementine’ mandarin during postharvest storage: 2. Robust Vis/NIR PLS models for prediction of physoco-chemical attributes. Scientia Horticulturae 2014; 165 : 421-432.
MAGWAZA LS, OPARA UL, CRONJE PJR, LANDAHL S, NIEUWOUDT HH, MOUNEM MOUAZEN A, NICOLAI BM, TERRY LA. Assessment of rind quality of “Nules Clementine” mandarin during postharvest storage: 1. Vis/NIRS PCA models and relationship with canopy position. Scientia Horticulturae 2014; 165 : 410-420.
MAGWAZA LS, OPARA UL. Investigating non-destructive quantification and characterisation of pomegranate fruit internal structure using X-ray computed tomography. Postharvest Biology and Technology 2014; 95 : 1-6.
MCHENRY MP, DOEPEL D, ONYANGO BO, OPARA UL. Small-scale portable photovoltaic-battery-LED systems with submersible LED units to replace kerosene-based artisanal fishing lamps for Sub-Saharan African lakes. Renewable Energy 2014; 62 : 276-284.
MPHAHLELE RR, FAWOLE OA, STANDER MA, OPARA UL. Preharvest and postharvest factors influencing bioactive compounds in pomegranate (Punica granatum L.)—A review. Scientia Horticulturae 2014; 178 : 114-123.
MPHAHLELE RR, STANDER MA, FAWOLE OA, OPARA UL. Effect of fruit maturity and growing location on the postharvestcontents of flavonoids, phenolic acids, vitamin C and antioxidantactivity of pomegranate juice (cv. Wonderful). Scientia Horticulturae 2014; 179 : 36-45.
O'GRADY L, SIGGE GO, CALEB OJ, OPARA UL. Effects of storage temperature and duration on chemical properties, proximate composition and selected bioactive components of pomegranate (Punica granatum L.) arils. LWT-Food Science and Technology 2014; 57 : 508-515.
OPARA UL, PATHARE PB. Bruise damage measurement and analysis of fresh horticultural produce - A review. Postharvest Biology and Technology 2014; 91 : 9-24.
PATHARE PB, OPARA UL. Structural design of corrugated boxes for horticultural produce: A review. Biosystems Engineering 2014; 125 : 128-140.
STANDER OPJ, THERON KI, CRONJE PJR. Foliar 2,4-D application after physiological fruit drop reduces fruit splitting of mandarin. Horttechnology 2014; 24(6) : 717-723.
2013
A, VERBOVEN P, DEFRAEYE T, TIJSKENS E, SCHENK A, OPARA LU, NICOLAI BM. Effect of box materials on the distribution of 1-MCP gas during cold storage: A CFD study. Journal of Food Engineering 2013; 119: 150-158.
AMBAW A, VERBOVEN P, DEFRAEYE T, TIJSKENS E, SCHENK A, OPARA LU, NICOLAI BM. Porous medium modelling and parameter sensitivity analysis of 1-MCP distribution in boxes with apple fruit. Journal of Food Engineering 2013; 119: 13-21.
CALEB OJ, MAHAJAN PV, AL-SAID F, OPARA LU. Modified atmosphere packaging technology of fresh and fresh-cut produce and the microbial consequences – A review. Food and Bioprocess Technology 2013; 6: 303-329.
CALEB OJ, MAHAJAN PV, AL-SAID F, OPARA LU. Transpiration rate and quality of pomegranate arils as affected by storage conditions. CyTa-Journal of Food 2013; 11(3): 199-207.
CALEB OJ, MAHAJAN PV, MANLEY M, OPARA LU. Evaluation of parameters affecting modified atmosphere packaging engineering design for pomegranate arils. International Journal of Food Science and Technology 2013; 48: 2315-2323.
CALEB OJ, OPARA LU, MAHAJAN PV, MANLEY M, MOKWENA L, TREDOUX AGJ. Effect of modified atmosphere packaging and storage temperature on volatile composition and postharvest life of minimally-processed pomegranate arils (cvs. Acco’ and ‘Herskawitz’). Postharvest Biology and Technology 2013; 79: 54-61.
CHEN L, HENG R, DELELE MA, CAI J, DU D, OPARA LU. Investigation of dry powder aerosolization mechanisms in different channel designs. International Journal of Pharmaceutics 2013; 457: 143-149.
CHEN L, OPARA LU. Approaches to analysis and modelling texture in fresh and processed foods – A review. Journal of Food Engineering 2013; 119: 497-507.
CHEN L, OPARA LU. Texture measurement approaches in fresh and processed foods – A Review. Food Research International 2013; 51: 823-835.
CRONJE PJR, BARRY GH, HUYSAMER M. Canopy position affects pigment expression and accumulation of flavedo carbohydrates of ‘Nules Clementine’ mandarin fruit, thereby affecting rind condition. Journal of the American Society for Horticultural Science 2013; 138(3): 217-224.
DELELE MA, NGCOBO MEK, GETAHUN ST, CHEN L, MELLMANN J, OPARA LU. Studying airflow and heat transfer characteristics of a horticultural produce packaging system using a 3-D CFD model. Part I: Model development and validation. Postharvest Biology and Technology 2013; 86: 536-545.
DELELE MA, NGCOBO MEK, GETAHUN ST, CHEN L, MELLMANN J, OPARA LU. Studying airflow and heat transfer characteristics of a horticultural produce packaging system using a 3-D CFD model. Part II: Effect of package design. Postharvest Biology and Technology 2013; 86: 546-555.
FAWOLE OA, MAKUNGA NP, OPARA UL. Antibacterial, antioxidant and tyrosinase-inhibition activities of pomegranate fruit peel methanolic extract. BMC Complementary and Alternative Medicine 2012; 12: Art. 200.
FAWOLE OA, OPARA LU. Changes in physical properties, chemical and elemental composition and antioxidant capacity of pomegranate (cv. Ruby) fruit at five maturity stages. Scientia Horticulturae 2013; 150: 37-46.
FAWOLE OA, OPARA LU. Developmental changes in maturity indices of pomegranate fruit: A descriptive review. Scientia Horticulturae 2013; 159: 152-161.
FAWOLE OA, OPARA LU. Effects of maturity status on biochemical content, polyphenol composition and antioxidant capacity of pomegranate fruit arils (cv. ‘Bhagwa’). South African Journal of Botany 2013; 85: 23-31.
FAWOLE OA, OPARA LU. Effects of storage temperature and duration on physiological responses of pomegranate fruit. Industrial Crops and Products 2013; 47: 300-309.
FAWOLE OA, OPARA LU. Fruit growth dynamics, respiration rate and physic-textural properties during pomegranate development and ripening. Scientia Horticulturae 2013; 157: 90-98.
FAWOLE OA, OPARA LU. Harvest discrimination of pomegranate fruit: Postharvest quality changes and relationships between instrumental and sensory attributes during shelf life. Journal of Food Science 2013; 78(8): S1264-S1272.
FREIBOTH HW, GOEDHALS-GERBER LL, VAN DYK FE, DODD MC. Investigating temperature breaks in the summer fruit export cold chain: A case study. Journal of Transport and Supply Chain Management 2013; 7(1): Art.#99.
HO QT, CARMELIET J, DATTA AK, DEFRAEYE T, DELELE MA, HERREMANS E, OPARA LU, RAMON H, TIJSKENS E, VAN DER SMAN R, VAN LIEDEKERKE P, VERBOVEN P, NICOLAI BM. Multiscale modeling in food engineering. Journal of Food Engineering 2013; 114: 279-291.
LOUW ED, THERON KI. The effects of ripening and cold storage on the volatile profiles of three Japanese plum cultivars (Prunus salicina Lindl.) and one interspecific plum-apricot cultivar. Journal of Agricultural Science 2012; 4(11): 257-275.
MAGWAZA LS, FORD HD, CRONJE PJR, OPARA LU, LANDAHL S, TATAM RP, TERRY LA. Application of optical coherence tomography to non-destructively characterise rind breakdown disorder of ‘Nules Clementine’ mandarins. Postharvest Biology and Technology 2013; 84: 16-21.
MAGWAZA LS, OPARA LU, CRONJE PJR, LANDAHL S, TERRY LA. Canopy position affects rind biochemical profile of Nules Clementine’ mandarin fruit during postharvest storage. Postharvest Biology and Technology 2013; 86: 300-308.
MAGWAZA LS, OPARA LU, TERRY LA, LANDAHL S, CRONJE PJR, NIEUWOUDT HH, HANSSENS A, SAEYS W, NICOLAI BM. Evaluation of Fourier transform-NIR spectroscopy for integrated external and internal quality assessment of Valencia oranges. Journal of Food Composition and Analysis 2013; 31: 144-154.
MAKEREDZA B, SCHMEISSER M, L?TZE E, STEYN WJ. Water stress increases sunburn in 'Cripps' Pink' apple. Hortscience 2013; 48(4): 444-447.
MDITSHWA A, FAWOLE OA, AL-SAID F, AL-YAHYAI R, OPARA LU. Phytochemical content, antioxidant capacity and physicochemical properties of pomegranate grown in different microclimates in South Africa. South African Journal of Plant and Soil 2013; 30(2): 81-90.
NGCOBO MEK, DELELE MA, CHEN L, OPARA LU. Investigating the potential of a humidification system to control moisture loss and quality of ‘Crimson Seedless’ table grapes during cold storage. Postharvest Biology and Technology 2013; 86: 201-211.
NGCOBO MEK, DELELE MA, OPARA LU, MEYER CJ. Performance of multi-packaging for table grapes based on airflow, cooling rates and fruit quality. Journal of Food Engineering 2013; 116: 613-621.
NGCOBO MEK, PATHARE PB, DELELE MA, CHEN L, OPARA LU. Moisture diffusivity of table grape stems during low temperature storage conditions. Biosystems Engineering 2013; 115: 346-353.
NJOMBOLWANA N, ERASMUS A, VAN ZYL JG, DU PLOOY W, CRONJE PJR, FOURIE PH. Effects of citrus wax coating and brush type on imazalil residue loading, green mould control and fruit quality retention of sweet oranges. Postharvest Biology and Technology 2013; 86: 362-371.
PATHARE PB, OPARA LU, AL-SAID F. Colour measurement and analysis in fresh and processed food: A review. Food and Bioprocess Technology 2013; 6: 36-60.
SCHMEISSER M, JACOBS G, STEYN WJ. Elucidation of seasonal pigmentation patterns in the involucral leaves of Leucadendron ‘Safari Sunset. South African Journal of Plant and Soil 2013; 30(3): 139-146.
SCHMEISSER M, JACOBS G, STEYN WJ. The function of regreening in yellow female Leucadendron (Proteaceae). South African Journal of Plant and Soil 2013; 30(3): 147-155.
2012
CALEB OJ, MAHAJAN PV, OPARA UL, WITTHUHN RC. Modelling the respiration rates of pomegranate fruit and arils. Postharvest Biology and Technology 2012; 64: 49-54.
CALEB OJ, OPARA UL, WITTHUHN RC. Modified atmosphere packaging of pomegranate fruit and arils: A Review. Food and Bioprocess Technology 2012; 5: 15-30.
DELELE MA, VOSTERMANS B, CREEMERS P, TSIGE AA, TIJSKENS E, SCHENK A, OPARA UL, NICOLAI BM, VERBOVEN P. CFD model development and validation of a thermonebulisation fungicide fogging system for postharvest storage of fruit. Journal of Food Engineering 2012; 108: 59-68.
DELELE MA, VOSTERMANS B, CREEMERS P, TSIGE AA, TIJSKENS E, SCHENK A, OPARA UL, NICOLAI BM, VERBOVEN P. Investigating the performance of thermonebulisation fungicide fogging system for loaded fruit storage room using CFD model. Journal of Food Engineering 2012; 109: 87-97.
DUVENHAGE AJ, JOOSTE MM, JOHNSON SA. Irradiation as a postharvest quarantine treatment for a new pluot cultivar. Scientia Horticulturae 2012; 147: 64-70.
FAWOLE OA, MAKUNGA NP, OPARA UL. Antibacterial, antioxidant and tyrosinase-inhibition activities of pomegranate fruit peel methanolic extract. BMC Complementary and Alternative Medicine 2012; 12: 200-211.
FAWOLE OA, OPARA UL, THERON KI. Chemical and phytochemical properties and antioxidant activities of three pomegranate cultivars grown in South Africa. Food and Bioprocess Technology 2012; 5: 2934-2940.
FAWOLE OA, OPARA UL. Composition of trace and major minerals in different parts of pomegranate (Punica granatum) fruit cultivars. British Food Journal 2012; 114(11): 1518-1532.
L?TZE E, BERGH O. Evaluating the Streif index against commercial subjective predictions to determine the harvest date of apples in South Africa. South African Journal of Plant and Soil 2012; 29(2): 53-56.
LOUW ED, THERON KI. Volatile dynamics during maturation, ripening and cold storage of three Japanese plum cultivars (Prunus salicina Lindl.). Postharvest Biology and Technology 2012; 40: 13-24.
MAGUYLO K, COOK NC, THERON KI. Environment and position of first bud to break on apple shoots affects lateral outgrowth. Trees-Structure and Function 2012; 26: 663-675.
MAGWAZA LS, OPARA UL, NIEUWOUDT HH, CRONJE PJR, SAEYS W, NICOLAI BM. NIR spectroscopy applications for internal and external quality analysis of citrus fruit - A review. Food and Bioprocess Technology 2012; 5: 425-444.
MAGWAZA LS, OPARA UL, TERRY LA, LANDAHL S, CRONJE PJR, NIEUWOUDT HH, MOUNEM MOUAZEN A, SAEYS W, NICOLAI BM. Prediction of 'Nules Clementine' mandarin susceptibility to rind breakdown disorder using Vis/NIR spectroscopy. Postharvest Biology and Technology 2012; 74: 1-10.
NGCOBO MEK, DELELE MA, OPARA UL, ZIETSMAN CJ, MEYER CJ. Resistance to airflow and cooling patterns through multi-scale packaging of table grapes. International Journal of Refrigeration-Revue Internationale Du Froid 2012; 35: 445-452.
NGCOBO MEK, DELELE MA, PATHARE PB, CHEN L, OPARA UL, MEYER CJ. Moisture loss characteristics of fresh table grapes packed in different film liners during cold storage. Biosystems Engineering 2012; 113(4) : 363-370.
NGCOBO MEK, OPARA UL, THIART GD. Effects of packaging liners on cooling rate and quality attributes of table grape (cv. Regal Seedless). Packaging Technology and Science 2012; 25: 73-84.
PATHARE PB, OPARA UL, VIGNEAULT C, DELELE MA, AL-SAID FA. Design of packaging vents for cooling fresh horticultural produce. Food and Bioprocess Technology 2012; 5: 2031-2045.
STEYN WJ. The physiology and functions of fruit pigments: An ecological and horticultural perspective. Horticultural Reviews 2012; 39: 239-271.
TURKETTI SS, CURRY E, L?TZE E. Role of lenticel morphology, frequency and density on incidence of lenticel breakdown in 'Gala' apples. Scientia Horticulturae 2012; 138: 90-95.
WILSDORF RE, THERON KI, L?TZE E. Evaluating the effectiveness of different strategies for calcium application on the accumulation of calcium in apple (Malus X domestica Borkh. 'Braeburn') fruit. Journal of Horticultural Science and Biotechnology 2012; 87(6): 565-570.
2011
ALLDERMAN LA, STEYN WJ, COOK NC. 2011. Growth regulator manipulation of apple bud dormancy progressions under conditions of inadequate winter chilling. South African Journal of Plant and Soil 28(2): 103-109.
CRONJE PJR, BARRY GH, HUYSAMER M. 2011. Fruiting position during development of ‘Nules Clementine’ mandarin affects the concentration of K, Mg and Ca in the flavedo. Scientia Horticulturae 130(4): 829-837.
CRONJE PJR, BARRY GH, HUYSAMER M. 2011. Postharvest rind breakdown of ‘Nules Clementine’ mandarin is influenced by ethylene application, storage temperature and storage duration. Postharvest Biology and Technology 60(3): 192- 201.
DZIKITI S, VERREYNNE JS, STUCKENS J STREVER AE, VERSTRAETEN WW, SWENNEN RL, THERON KI, COPPIN P. 2011. Seasonal variation in canopy reflectance and its application to determine the water status and water use by citrus trees in the Western Cape, South Africa. Agricultural and Forest Meteorology 151(8): 1035-1044.
KANGUEEHI GN, SASSEN PJC, THERON KI, WOOLDRIDGE J. 2011. Macro and micro element requirements of young and bearing apple trees under drip fertigation. South African Journal of Plant and Soil 28(2): 136-141.
THERON KI, GERBER HJ, STEYN WJ. 2011. Effect of hydrogen cyanamide, mineral oil and thidiazuron in combination with tip pruning on bud break, shoot growth and yield in ‘Bourjasotte Noire’, ‘Col de Damme Noire’, and ‘Noire de Caromb’ figs. Scientia Horticulturae 128(3): 239-248.
2010?
AL-SAID FA, OPARA LU, AL-YAHYAI R. 2010. Physico-chemical and textural quality attributes of pomegranate cultivars (Punica granatum L.) grown in the Sultanate of Oman. Journal of Food Engineering 90: 129-134.
BARRY GH, LE ROUX S. 2010. Preharvest Foliar Sprays of Prohexadione–calcium, a Gibberellinbiosynthesis Inhibitor, Induce Chlorophyll Degradation and Carotenoid Synthesis in Citrus Rinds. HortScience 45(2): 242-247.
DODD MC, CRONJE PJR, TAYLOR MA, HUYSAMER M, KRUGER F, L?TZE E, VAN DER MERWE K. 2010. A review of the post harvest handling of fruits in South Africa over the past twenty five years. South African Journal of Plant and Soil 27(1): 97-116.
DZIKITI S, VERREYNNE JS, STUCKENS J, STREVER AE, VERSTRAETEN WW, SWENNEN R, COPPIN P. 2010. Determining the water status of Satsuma mandarin trees [Citrus Unshiu Marcovitch] using spectral indices and by combining hyperspectral and physiological data. Agricultural and Forest Meteorology 150: 369-379.
FOUCHE JR, ROBERTS SC, MIDGLEY SJE, STEYN WJ. 2010. Peel Color and Blemishes in ‘Granny Smith’ Apples in Relation to Canopy Light Environment. HortScience 45(6): 899-905.
GERBER HJ, STEYN WJ, THERON KI. 2010. The optimum one-year-old Shoot Length to Optimize Yield and Fruit Size of Three Fig (Ficus carica L.) cultivars. HortScience 45(9): 1321-1326.
LE ROUX S, BARRY GH. 2010. Vegetative Growth Responses of Citrus Nursery Trees to Various Growth Retardants. HortTechnology 20(1): 197-201.
LOUW ED, THERON KI. 2010. Robust prediction models for quality parameters in Japanese plums (Prunus salicina L.) using NIR spectroscopy. Postharvest Biology and Technology 58: 176-184.
SCHMEISSER M, STEYN WJ, JACOBS G. 2010. Regreening of involucral leaves of female Leucadendron (Proteaceae) after flowering. Australian Journal of Botany 58: 586-596.
SOMERS B, DELALIEUX S, VERSTRAETEN W, VAN DEN EYNDE A, BARRY GH, COPPIN P. 2010. The Contribution of the Fruit Component to the Hyperspectral Citrus Canopy Signal. Photogrammetric Engineering and Remote Sensing 76(1): 1-11.
STUCKENS J, SOMERS B, ALBRIGO GL, DZIKITI S, VERSTRAETEN W, SWENNEN R, VERREYNNE JS, COPPIN P. 2010. Off-nadir viewing for reducing spectral mixture issues in citrus orchards. Photogrammetric Engineering and Remote Sensing 76(11): 1261-1274.
VAN SCHOOR L, DENMAN SJS, COOK NC. 2010. Characterization of apple replant disease under South African conditions and potential biological management strategies. Scientia Horticulturae 119: 153-162.
