Search Results - "Theron, Karen I."

Chemical and Phytochemical Properties and Antioxidant Activities of Three Pomegranate Cultivars Grown in South Africa by Fawole, Olaniyi A., Opara, Umezuruike L., Theron, Karen I.

“…A comparative study of chemical contents and antioxidant activities of three pomegranate cultivars (‘Arakta’, ‘Bhagwa’ and ‘Ruby’) grown in South Africa was…”
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Non-destructive measurement of bitter pit in apple fruit using NIR hyperspectral imaging by Nicolai, B.M, Lotze, E, Peirs, A, Scheerlinck, N, Theron, K.I

“…A hyperspectral NIR imaging system was developed to identify bitter pit lesions on apples. A discriminant PLS calibration model was constructed to discriminate…”
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Nondestructive measurement of fruit and vegetable quality by means of NIR spectroscopy: A review by Nicolaï, Bart M., Beullens, Katrien, Bobelyn, Els, Peirs, Ann, Saeys, Wouter, Theron, Karen I., Lammertyn, Jeroen

“…An overview is given of near infrared (NIR) spectroscopy for use in measuring quality attributes of horticultural produce. Different spectrophotometer designs…”
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Robust prediction models for quality parameters in Japanese plums ( Prunus salicina L.) using NIR spectroscopy by Louw, Esmé D., Theron, Karen I.

“…Fourier-transformed near infrared (FT-NIR) reflectance spectroscopy was used over a spectral range of 800–2700 nm to develop multivariate prediction models for…”
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Foliar application of ethephon induces bud dormancy and affects gene expression of dormancy- and flowering-related genes in ‘Mauritius’ litchi (Litchi chinensis Sonn.) by Cronje, Regina B., Hajari, Elliosha, Jonker, Arnold, Ratlapane, Innocent M., Huang, Xuming, Theron, Karen I., Hoffman, Eleanora W.

“…A previous study showed that foliar application of ethephon to litchi trees with mature shoots and dormant terminal buds during autumn successfully inhibited…”
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Volatile dynamics during maturation, ripening and cold storage of three Japanese plum cultivars (Prunus salicina Lindl.) by Louw, Esmé D., Theron, Karen I.

“…► We determined volatile profiles of three Japanese plum cultivars for three maturity stages and cold storage. ► 35 compounds were detected, 10 generic and 5…”
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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 by Dzikiti, Sebinasi, Verreynne, Stephan J., Stuckens, Jan, Strever, Albert, Verstraeten, Willem W., Swennen, Rony, Theron, Karen I., Coppin, Pol

“…► In this study we quantify the seasonal dynamics of the canopy reflectance of citrus trees. ► The canopy reflectance showed a clear seasonal trend influenced…”
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Primigenic and positional dominance among reproductive buds in shoots of two apple (Malus × domestica (Borkh.)) cultivars in a warmer and cooler site by Maguylo, Karen, Cook, Nigel C, Theron, Karen I

“…KEY MESSAGE : In two apple cultivars, fruit set was due to primigenic dominance within the annual shoot in areas with insufficient winter chilling while…”
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Environment and position of first bud to break on apple shoots affects lateral outgrowth by Maguylo, Karen, Cook, Nigel C, Theron, Karen I

“…A study was conducted to determine which bud (terminal or lateral) breaks first, and thereby exerts primigenic dominance, on ‘Granny Smith’ and ‘Golden…”
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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 by Theron, Karen I., Gerber, Hein J., Steyn, Willem J.

“…► Thidiazuron increased and tip-pruning decreased bud break in ‘Bourjasotte Noire’. ► Tip-pruning reduced the new growth and yield in ‘Noire de Caromb’. ►…”
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The efficacy of 6-benzyladenine, gibberellins 4+7 and prohexadione-calcium to increase fruit size in ‘Forelle’ and ‘Abate Fetel’ pear by Dreyer, Carlien, Theron, Karen I

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Differential dependence of apple (Malus domestica Borkh.) cultivars on the xanthophyll cycle for photoprotection by Hengari, Simeon, Theron, Karen I, Midgley, Stephanie JE, Steyn, Willem J

“…The dependence of fruit peel photosystems of 'Granny Smith', 'Braeburn', 'Fuji', 'Golden Delicious' and 'Topred' apple (Malus domestica Borkh.) peel on the…”
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Harvest and post-harvest apple fruit quality following applications of kaolin particle film in South African orchards by Wand, Stephanie J.E., Theron, Karen I., Ackerman, Johan, Marais, Stephan J.S.

“…Sunburn on apples in the Western Cape region of South Africa can result in yield losses of up to 50%. Application of kaolin-based particle film (Surround ® WP)…”
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Optimum One-year-old Shoot Length to Optimize Yield and Fruit Size of Three Fig (Ficus carica L.) Cultivars by Gerber, Hein J, Steyn, Willem J, Theron, Karen I

“…The European fig cultivars Bourjasotte Noire, Col de Damme Noire, and Noire de Caromb were recently introduced to the Western Cape Province of South Africa…”
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Scoring and Girdling, but not GA3, Increase Yield without Decreasing Return Bloom in 'Triumph' Persimmon by Steyn, Willem J, Ungerer, Samuel F, Theron, Karen I

“…The persimmon (Diospyros kaki Thunb.) cultivar Triumph is prone to poor fruit set, particularly in young orchards, in both Israel and South Africa where it is…”
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Fluorescence imaging as a non-destructive method for pre-harvest detection of bitter pit in apple fruit (Malus domestica Borkh.) by Lotze, E, Huybrechts, C, Sadie, A, Theron, K.I, Valcke, R.M

“…Bitter pit in apples still causes significant losses, especially in the export markets of 'Golden Delicious' apples from South Africa. Orchard practices to…”
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Peel water vapour permeance of Japanese plums as indicator of susceptibility to postharvest shriveling by Kritzinger, Imke, Theron, Karen I., Lötze, Gustav F.A., Lötze, Elmi

“…•Plum peel permeability varies between cultivars and orchards.•Peel permeability of cultivars not prone to shrivel is lower.•There is a poor relationship…”
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Apple Compositional and Peel Color Differences Resulting from Canopy Microclimate Affect Consumer Preference for Eating Quality and Appearance by Hamadziripi, Esnath T., Theron, Karen I., Muller, Magdalena, Steyn, Willem J.

“…We hypothesized that the microclimate at different positions in the tree canopy may affect the appearance, eating quality, and consumer preference for apple…”
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Defoliation alters spring growth flush characteristics and inhibits flowering in Protea cv. Carnival by Gerber, Audrey I, Theron, Karen I, Jacobs, Gerard

“…Inflorescence initiation in Protea cv. Carnival ( P. compacta R. Br.×P. neriifolia R. Br.) starts at spring budbreak, and production of involucral bracts…”
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Kernel PLS regression on wavelet transformed NIR spectra for prediction of sugar content of apple by Nicolaï, Bart M., Theron, Karen I., Lammertyn, Jeroen

“…A kernel PLS algorithm was implemented to estimate the sugar content of Golden Delicious apples based on NIR reflectance spectra in the range of 800–1690 nm…”
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