The effect of different water and nutrient management strategies on the calcium content in apple fruit

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dc.contributor.advisorStassen, P. J. C.en_ZA
dc.contributor.advisorLotze, Elmien_ZA
dc.contributor.authorJoubert, Jorikaen_ZA
dc.contributor.otherUniversity of Stellenbosch. Faculty of Agrisciences. Dept. of Horticulture.
dc.date.accessioned2007-11-20T06:23:43Zen_ZA
dc.date.accessioned2010-06-01T08:46:47Z
dc.date.available2007-11-20T06:23:43Zen_ZA
dc.date.available2010-06-01T08:46:47Z
dc.date.issued2007-03
dc.descriptionThesis (MscAgric (Horticulture))--University of Stellenbosch, 2007.
dc.description.abstractProduction of quality fruit is the main aim in horticultural crops. Numerous research reports stress the important role of calcium (Ca) in maintaining firmness and preventing the development of physiological disorders in fruit. This study focused on the effect of water and nutrient management strategies, rootstocks and foliar Ca applications on fruit Ca content. Final Ca content/concentration in apple fruit at harvest did not differ significantly between treatments water with micro jets (hand nutrition), water and nutrients with fertigation, or water and nutrients with pulsating drip when applied to ‘Brookfield Gala’ trees in third leaf, on two rootstocks (M793 and M7). In the second trial, three Ca levels were applied to ‘Brookfield Gala’ trees through a pulsating drip system during three phenological periods to evaluate the effect on Ca uptake of the fruit. During the second season, application of high Ca levels for the period full bloom to harvest gave a higher fruit Ca concentration than with applications of standard or low Ca.en
dc.format.extent2363769 bytesen_ZA
dc.format.mimetypeapplication/pdfen_ZA
dc.identifier.urihttp://hdl.handle.net/10019.1/2353
dc.language.isoen
dc.publisherStellenbosch : University of Stellenbosch
dc.rights.holderUniversity of Stellenbosch
dc.subjectDissertations -- Horticultureen
dc.subjectTheses -- Horticultureen
dc.subjectDissertations -- Agricultureen
dc.subjectTheses -- Agricultureen
dc.subjectApples -- Water requirementen
dc.subjectApples -- Nutritionen
dc.subjectCalciumen
dc.subjectCalcium fertilizersen
dc.subjectOrchards -- Managementen
dc.titleThe effect of different water and nutrient management strategies on the calcium content in apple fruiten
dc.typeThesis
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