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Colonization of table grape bunches by alternaria alternata and rot of cold-stored grapes

dc.contributor.authorSwart, A. E.en_ZA
dc.contributor.authorHolz, G.en_ZA
dc.date.accessioned2017-06-09T11:44:21Z
dc.date.available2017-06-09T11:44:21Z
dc.date.issued1994
dc.identifier.citationSwart, A. E. & Holz, G. 1994. Colonization of table grape bunches by alternaria alternata and rot of cold-stored grapes. South African Journal of Enology & Viticulture, 15(2):19-25, doi:10.21548/15-2-2280en_ZA
dc.identifier.issn2224-7904 (online)
dc.identifier.issn0253-939X (print)
dc.identifier.otherdoi:10.21548/15-2-2280
dc.identifier.urihttp://hdl.handle.net/10019.1/101737
dc.descriptionCITATION: Swart, A. E. & Holz, G. 1994. Colonization of table grape bunches by alternaria alternata and rot of cold-stored grapes. South African Journal of Enology & Viticulture, 15(2):19-25, doi:10.21548/15-2-2280.en_ZA
dc.descriptionThe original publication is available at http://www.journals.ac.za/index.php/sajeven_ZA
dc.description.abstractAssessment of latent Alternaria alternata infections in table grapes indicated that infections occurred in commercial vineyards during the entire period of bunch development. Mature bunches were asymptomatic despite high levels of A. alternata recovered from triple-sterilized bunch tissue. Inoculation studies showed no shift in disease susceptibility of ripening grape berries, and postharvest rot was not related to the level of natural infection. Late season fungicidal sprays, or dip treatments that ensured better penetration and coverage of inner parts, resulted in no meaningful reduction in postharvest rot. Based on the behaviour of the pathogen, it is suggested that additional fungicide programmes for the control of the disease should not be followed in commercial vineyards. Instead, attention should be given to physiological and stress factors, such as mechanical and sulphur dioxide damage that might predispose cold-stored bunches to A. alternata decay.en_ZA
dc.description.urihttp://www.journals.ac.za/index.php/sajev/article/view/2280
dc.format.extent7 pages : illustrationsen_ZA
dc.language.isoen_ZAen_ZA
dc.publisherSouth African Society for Enology and Viticultureen_ZA
dc.subjectAlternariaen_ZA
dc.subjectGrapes -- Diseases and pestsen_ZA
dc.subjectAlternaria alternata infections in table grapesen_ZA
dc.titleColonization of table grape bunches by alternaria alternata and rot of cold-stored grapesen_ZA
dc.typeArticleen_ZA
dc.description.versionPublisher's versionen_ZA
dc.rights.holderSouth African Society for Enology and Viticultureen_ZA


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