Articles by Keyword: Fruit Cracking

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  1. Comparative performance of tomato cultivars cultivated in two hydroponic production systems

    Comparative performance of tomato cultivars cultivated in two hydroponic production systems

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Cultivar selection for different hydroponic production systems is an important management decision, potentially impacting the tomato grower’s profitability. Knowledge on the performance of tomato cultivars, in specific hydroponic systems (open-bag and closed system) under South African conditions, is still very...
  2. Morphogenesis of <em>Malus domestica</em> cv. Starking flower buds

    Morphogenesis of <em>Malus domestica</em> cv. Starking flower buds

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Differentiation of reproductive buds of the Starking apple (Malus domestica) was studied by scanning electron microscopy. Differentiation of reproductive structures was initiated during the first week of January when the shoot apex flattened. In terminal flower primordia, sepal primordia were...
  3. Effect of the previous crop on cortical cell number of <em>Malus domestica</em> cv. Starking Delicious apple flower primordia, flowers and fruit

    Effect of the previous crop on cortical cell number of <em>Malus domestica</em> cv. Starking Delicious apple flower primordia, flowers and fruit

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The effect of the crop of the previous season on cell size of the cortical region of flower primordia, flowers and fruit size in Starking Delicious apples was investigated. Cell number was monitored from the onset of differentiation of the...
  4. Die invloed van nat grondtoestande op die vrugkwaliteit van appels

    Die invloed van nat grondtoestande op die vrugkwaliteit van appels

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Vrugontledings op appels van bome op gedeeltelik versuipte gronde gedurende die vruggroei-periode het hoër Na- en B- en laer N- en Mg-peile getoon as appels van bome op droër gronde. Die vrugte van nat persele was fermer en het hoër...
  5. Enkele faktore wat die vruggroei van sitrus beïnvloed

    Enkele faktore wat die vruggroei van sitrus beïnvloed

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    'n Ondersoek het aangetoon dat 'n hoogsbetekenisvolle (r = 0,96) verwantskap bestaan tussen waterverbruik van 'n volwasse sitrusboom en vruggroeitempo. Waterverbruik bereik 'n maksimum van 80–90 l/dag gedurende die periode Desember tot einde Maart, dit is dieselfde tyd wanneer vruggrootte...
  6. Factors affecting fruit quality and shelf life of Bon Chretien pears

    Factors affecting fruit quality and shelf life of Bon Chretien pears

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Bon Chretien pears for canning and the fresh market are grown under various climatic conditions in South Africa. The major orchard factor affecting the shelf life of the fruit after storage seems to be the number of days between full-...
  7. Influence of abscisic acid on polyphenol oxidase browning potential in avocado

    Influence of abscisic acid on polyphenol oxidase browning potential in avocado

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Various levels of abscisic acid (ABA) were infused into unripened ‘Fuerte’ avocado fruit. After ripening, polyphenol oxidase (PPO) activity was measured, and abscisic acid (ABA) levels monitored. The study showed that an increase in applied ABA increased PPO levels, particularly...
  8. Effect of pre- and post-harvest water stress on the potential for fruit quality defects in avocado (<em>Persea americana</em> Mill.)

    Effect of pre- and post-harvest water stress on the potential for fruit quality defects in avocado (<em>Persea americana</em> Mill.)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Physiological and pathological disorders of avocado fruit are a limitation to export sales. The influence of pre-harvest water stress on post-harvest quality was studied using a long-term irrigation trial, i.e., re-wetting in the root zone when soil water tensions reached...
  9. The effect of some chemical agents on thinning of Golden Delicious and Granny Smith apples

    The effect of some chemical agents on thinning of Golden Delicious and Granny Smith apples

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Thinning trials were carried out with various chemical compounds on Golden Delicious and Granny Smith apple trees over a period of three years in the Elgin area in the western Cape. The scorching agents dinoseb (2-sec-butyl-4,-6-dinitrophenol) and paraquat (1,1'-dimethyl-4,4′-bipyridinium ion)...
  10. Effect of time of hand-thinning on apple fruit size

    Effect of time of hand-thinning on apple fruit size

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The effect of time of hand-thinning on fruit size of Starking, Starkrimson and Starkspur Golden Delicious was studied during two consecutive seasons. In the first season trees were thinned at weekly or fortnightly intervals, commencing at full bloom until eight...