Department of Horticulture
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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
(2019-02-20)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, 2018-11)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, 2018-07)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 ... -
Ca-metalosate as an alternative Ca formulation for decreasing Ca related disorders in fruit trees
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Generally, calcium (Ca) foliar applications are used to improve the Ca status of fruit and control the incidence of Ca-related disorders, viz. bitter pit (BP) in apples and albedo breakdown (AB) in citrus. ... -
Quantifying the effect of commercial nitrogen formulations BlackUrea™ / BlackDAP™ as alternative nitrogen source on fruit tree physiology, yield and fruit quality of two apple cultivars
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The relationship between plant and soil is very complex and understanding it is fundamental to optimal use of fertilizers for a profitable yield, without compromising the environment. Nitrogen (N) fertilizers ... -
Feasibility of closed ventilation and automatic ventilation for sea freight of Proteaceae cut flower stems
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Global trends aimed at advancing sea freight technology and reducing carbon emissions have led to the invention of automated reefer technologies. This development brings the challenge of having to determine ... -
Acclimation of apple peel to light and temperature and the effect thereof on red colour development and tolerance to sunburn
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH SUMMARY: Sunburn is the biggest abiotic quality defect affecting apple orchards in South Africa. In blushed cultivars, inadequate red colour development at harvest is of similar importance as sunburn as quality ... -
Aspects of mineral nutrition affecting fruit quality of ‘Nadorcott’ mandarin
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH SUMMARY: Mineral nutrition of Citrus is one of the key controllable factors influencing fruit quality. The mineral nutrients known to have the greatest impact on Citrus fruit quality, in order of magnitude of effect, ... -
Water relations and sunburn in apple fruit
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH SUMMARY: Sunburn in apple is a major problem in South Africa with losses of up to 50% of total yield. The primary objective of this study was to investigate the relationship between tree water relations and sunburn ...
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