Department of Horticulture
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Recent Submissions
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Harvest maturity, storage conditions and tree age influencing internal browning and fruit quality of Rosy Glow apple (Malus domestica Borkh)
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: ‘Rosy Glow’ being a limb/bud sport variety of ‘Cripps’ Pink’ apple, is also regarded prone to internal flesh browning (IFB) similar to its parent cultivar. IFB in ‘Cripps’ Pink’ apples has been reported ... -
Manipulating crop load using plant growth regulators
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: Flower or fruit thinning plays an important role in deciduous fruit production in ensuring optimal yield, fruit size and quality. The stone- and pome fruit industries still rely heavily on hand thinning. ... -
Investigating the vegetative development and yield of pecan
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: Like other deciduous trees grown in regions that experience warm winters and low winter chilling, pecans suffer from low and sporadic bud break. This often has negative implications for vegetative growth ... -
A study of the dynamics of sunburn reduction in apple (Malus domestica) using foliar applications of boron and calcium
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: Apple fruit sunburn browning (SBB) is largely a climate-related disorder that reduces fruit quality leading to serious financial losses. The aim of this research was to unravel the mode-of-action by which ... -
Physiological dynamics of dormancy in apple buds grown in areas with insufficient winter chill
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: Apple trees, that do not fulfil their winter chill requirement, undergo inadequate dormancy release resulting in poor budbreak with irregular and delayed flowering that impact negatively on fruit production ... -
The use of plant growth regulators to improve apple pedicel length and reduce fruit cracking
(Stellenbosch : Stellenbosch University, 2020-04)ENGLISH ABSTRACT: Maintaining apple fruit quality is complex and factors such as short fruit pedicels and fruit cracking reduce quality. Fruit pedicels of certain cultivars in the Elgin-Grabouw-Vyeboom-Villiersdorp (EGVV) ... -
Photo-thermal studies in Japanese plums
(Stellenbosch : Stellenbosch University, 2019-12)ENGLISH ABSTRACT: Heat waves, occurring towards or during the harvesting window of Japanese plum cultivars, hamper production of premium quality plums in the Western Cape Province of South Africa by causing sunburn in the ... -
Effect of fruit canopy position, harvest maturity and storage duration on post-harvest mealiness development of ‘Forelle’ pears (Pyrus communis L.)
(Stellenbosch : Stellenbosch UniversityStellenbosch University, 2019-12)ENGLISH ABSTRACT: Preliminary studies indicated a link between fruit canopy position and higher total soluble solids (TSS), respectively, and mealiness development during ripening of ‘Forelle’ pear. In this study this link ... -
A study of the impact of salinity on growth and development of important tomato and banana cultivars of the Jordan Valley with an assessment of the efficacy of biostimulants as ameliorants for increased tolerance to salinity
(Stellenbosch : Stellenbosch University, 2019-12)ENGLISH ABSTRACT: Soil salinity is a major challenge to farmers in the Middle East in general, but particularly so in Jordan, where salinization of irrigation water sources puts additional pressure on production systems, ... -
Evaluating the effect of living mulch species as sustainable practice on soil dynamics in perennial orchards in South Africa
(2019-03)ENGLISH ABSTRACT: Two plant (weed) species were investigated for their potential as suitable living mulch species in two perennial fruit orchards in two different climatic regions in South Africa. Tradescantia fluminensis ... -
Calcium uptake and distribution in relation to periods of active white root growth in young, potted apple trees (Malus domestica Borkh. cv. ‘Golden Delicious’) in the Western Cape
(Stellenbosch : Stellenbosch University, 2019-02)ENGLISH ABSTRACT: Two-year-old ‘Golden Delicious’/M7 apple trees were chosen as the experimental material for this study. Potted trees were fertigated with a low calcium (Ca), balanced nutrient solution over two consecutive ... -
Postharvest moisture loss in Japanese plums
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: Plums exported from South Africa reach overseas markets after a long sea freight period. Yet consumers still expect fruit to be in perfect condition upon arrival at the supermarket. While care is taken ... -
Management practices to improve quality of apple nursery trees in containers
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: The quality of nursery trees at planting has a significant effect on productivity during the early years of newly established orchards. Trees need to grow and fill their allocated space in the orchard as ... -
The impact of shade netting on the microclimate of a citrus orchard and the tree's physiology
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: This study aimed to quantify the change in microclimate under shade netting and its effect on the leaf physiology of ‘Nadorcott’ mandarin (Citrus reticulata Blanco) in a winter rainfall production ... -
Use of biostimulants as an alternate approach to achieve plant performance and fruit quality
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: Research in fruit crops using biostimulants as a strategy to improve tree performance by alleviating transplant shock and improving both yield and fruit quality under field conditions, is limited. The ... -
Critical factors concomitant to the physiological development of alternate bearing in citrus (Citrus spp.)
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: The significance of carbohydrates, mineral nutrients and phyto-hormones was investigated in relation to their possible roles in selected phenological events in alternate bearing ‘Nadorcott’ mandarin (C. ... -
Impact of shade netting on internal and external quality of ‘Nadorcott’ mandarin fruit
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: In the export-focused citrus industry of southern Africa, the production of high quality fruit i.e. good size, well-developed rind color, blemish-free fruit and good taste is of utmost importance to ... -
Evaluating the sustainable potential of biogas generation in South Africa
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH SUMMARY: With a global movement towards a more sustainable way of living, the two most noteworthy hurdles to overcome in the quest for sustainable development are the unsustainable management of waste and availability ... -
Effect of permanent shade netting on ‘Nadorcott’ mandarin tree phenology and productivity
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Permanent shade netting in citrus (Citrus spp.) is implemented to protect high-value fruit and trees from damaging natural elements. However, the use of the technology accompanies inevitable changes in ... -
A holistic management approach: assessing the sustainability of aquaponics systems using biodigestate as partial alternative nutrient source
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH SUMMARY: One of the hurdles facing sustainable agricultural practice is the declining soil fertility that results from consistently cropping the same parcel of land and the demand of plants on especially mineral ...
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