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Masters Degrees (Horticulture)
Recent Submissions
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Investigating plant growth dynamics of selected southern highbush blueberry (V. corymbosum L. interspecific hybrids) cultivars under South African growing conditions
(Stellenbosch : Stellenbosch University, 2022-12)ENGLISH ABSTRACT: In South Africa, southern highbush blueberry (SHB) cultivars exhibit an evergreen growth habit, due to the generally warmer climatic conditions. Two SHB cultivars, 8- 42 and 9-02, were selected based ... -
In-season mineral nutrient management of citrus by early (spring/summer) season sampling of leaves, fruitlets, and flowers
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Tree nutrient supply must be optimal to ensure the production of high yields of quality fruit. Fertiliser schedules are adjusted based on the results of various diagnostic tools – one such tool is analysis ... -
Managing lack of winter chilling in apple production
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Delayed onset and insufficient winter chilling cause delayed leaf drop in autumn, delayed, protracted and reduced budbreak, a basitonic tree architecture, and reduced fruit yield and quality. Fallen ... -
Investigating the origin and extent of variation in apple fruit quality
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Developed countries with abundant food sources, have become more discerning of apple fruit quality. In addition to specific qualities that consumers may find desirable, variation in quality within a ... -
Mineral nutrition of citrus trees in relation to flowering, fruit set and yield
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Fruit set is considered as the determining factor for adequate fruit yield in citrus species. Cultivars such as ‘Midknight’ Valencia [Citrus sinensis (L.) Osbeck] and ‘Orri’ mandarin (Citrus paradisi ... -
Quantifying the potential of almond production in the Western Cape for future extension and high-density plantings in suitable climatic regions
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Almond (Prunus amygdalus Batsch) has become popular as an alternative crop with South African growers as the need for marginal crops in the Western Cape increases. Growers are also seeking more efficient ... -
Quantifying the contribution of windbreaks on fruit quality, yield and tree performance of bearing citrus cultivars in the Western Cape
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Strong winds in the Western Cape have a direct and indirect effect on the performance of citrus trees. Tree-based windbreaks are used extensively in South Africa to protect citrus orchards from wind ... -
Investigating the potential income and future water requirements of existing pecan orchards in the Western Cape
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: The peak in pecan production occurs between 12 and 15 years, in traditional densities of 10 x 10 m, resulting in a long period before break even. To address this financial challenge, different approaches ... -
Quantifying the role of soil microbial activity in cover crops on newly established fruit trees in the Western Cape
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Limited research is available on the role of cover crops in newly established deciduous fruit orchards in South Africa. Thus, three field studies were conducted to evaluate the contribution of cover ... -
Long-term storage of late season avocado cultivars Hass and Gem™
(Stellenbosch : Stellenbosch University, 2021-12)ENGLISH ABSTRACT: Avocados experience a physiological disorder known as mesocarp discolouration, also known as grey pulp, which is associated, but not limited, with storage and advanced maturity and leads to large amounts ... -
Quantifying the role of vapour pressure deficit in the development of lenticel breakdown in ‘Braeburn’ apple
(Stellenbosch : Stellenbosch University, 2021-12)ENGLISH ABSTRACT: Lenticel breakdown (LB) is a physiological disorder that can develop in different apple cultivars including Braeburn during cold storage and shipping. Several researchers mentioned various pre and ... -
Investigating the reproductive potential and yield of pecans [Carya illinoinensis (Wangenh. K. Koch)] under South African conditions.
(Stellenbosch : Stellenbosch University, 2021-12)ENGLISH ABSTRACT: Successful pecan [Carya illinoinensis (Wangenh. K. Koch)] production is highly dependent on the effective management of pollination related crop losses (e.g. Stage-II fruit drop). Pecan nut production ... -
The effect of biostimulants on the performance of newly planted apple trees in fumigated soil
(2021-12)ENGLISH ABSTRACT: Apple replant disease (ARD) is a consequence of replanting apple orchards in suitable climatic areas with limited availability of virgin soils. Fumigation of ARD infected soils provides alleviation of ... -
Effects of pre-treatments to preserve quality attributes and prolong shelf-life of dried pomegranate arils
(Stellenbosch : Stellenbosch University, 2021-03)ENGLISH ABSTRACT: The pomegranate fruit (Punica granatum L.) is a lucrative horticultural crop, which is rich in nutrients and phytochemical compounds. Fruit with physical defects such as sunburn and cracks pose a threat to ... -
Dormancy progression, artificial rest breaking and pollination of 'Independence' almonds under South African growing conditions.
(Stellenbosch : Stellenbosch University, 2021-04)ENGLISH ABSTRACT: Almond (Prunus amygdalus Batsch) has grown in popularity with South African growers, as the need for better alternatives to marginal crops arose in the Western Cape. A failure to establish a local almond ... -
Red colour improvement in apple fruit (Malus domestica Borkh.)
(Stellenbosch : Stellenbosch University, 2020-12)ENGLISH ABSTRACT: Fruit red colour coverage and intensity determine the market value of bi-colour apples. Anthocyanin synthesis and therefore red colour development is highly light- and temperature dependent, the latter ... -
Shade net studies on two Japanese plum cultivars (Prunus salicina Lindl.)
(Stellenbosch : Stellenbosch University, 2020-12)ENGLISH ABSTRACT: South Africa is one of the major exporters of Japanese plums (Prunus salicina Lindl.) to Europe and the United Kingdom. The demand for top quality fruit upon purchase drives farmers to optimize fruit ... -
Harvest maturity, storage conditions and tree age influencing internal browning and fruit quality of Rosy Glow apple (Malus domestica Borkh)
(Stellenbosch : Stellenbosch University, 2020-04)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 ... -
Factors influencing the success or failure of graft unions in grapevine.
(Stellenbosch : Stellenbosch University, 2020-04)ENGLISH ABSTRACT: This study aimed to compare graft quality evaluation methods for their accuracy and efficiency to detect early incompatibility in grapevines in South African nurseries. The study also looked at the ... -
Manipulating crop load using plant growth regulators
(Stellenbosch : Stellenbosch University, 2020-04)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. ...
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