Anatomical responses to cytokinins of abscised grapevine shoot apices cultured in vitro

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dc.contributor.authorGoussard, P. G.en_ZA
dc.date.accessioned2017-06-19T12:41:29Z
dc.date.available2017-06-19T12:41:29Z
dc.date.issued1987
dc.descriptionCITATION: Goussard, P. G. 1987. Anatomical responses to cytokinins of abscised grapevine shoot apices cultured in vitro. South African Journal of Enology & Viticulture, 8(2):53-59, doi:10.21548/8-2-2315.en_ZA
dc.descriptionThe original publication is available at http://www.journals.ac.za/index.php/sajeven_ZA
dc.description.abstractResponses of excised shoot apices of V. vinifera L. cv. Chenin blanc to different cytokinin treatments were studied at various intervals (days) after the start of in vitro culture, using light and scanning electron microscopy. Results clearly indicated that in vitro produced shoots were of axillary origin. Shoot clusters were produced by the enhanced release of axillary meristems from apical dominance, due to the application of 6-benzylaminopurine (BAP) singly as well as in combination with zeatin riboside (ZR). Axillary meristems on these axillary shoots were subsequently released from apical dominance, thus giving rise to shoot clusters of high densities. Shoot clusters induced by ZR alone were less dense, probably due to an initial delay in elongation of axillary meristems nearest to the main apical meristem of the shoot. However, elongation of axillary meristems lower down the axes proceeded strongly in the presence of ZR. Application of BAP resulted in more pronounced release of axillary meristems from apical dominance than with ZR.en_ZA
dc.description.urihttp://www.journals.ac.za/index.php/sajev/article/view/2315
dc.description.versionPublisher's versionen_ZA
dc.format.extent7 pages : illustrationsen_ZA
dc.identifier.citationGoussard, P. G. 1987. Anatomical responses to cytokinins of abscised grapevine shoot apices cultured in vitro. South African Journal of Enology & Viticulture, 8(2):53-59, doi:10.21548/8-2-2315en_ZA
dc.identifier.issn2224-7904 (online)
dc.identifier.issn0253-939X (print)
dc.identifier.otherdoi:10.21548/8-2-2315
dc.identifier.urihttp://hdl.handle.net/10019.1/101797
dc.language.isoen_ZAen_ZA
dc.publisherSouth African Society for Enology and Viticultureen_ZA
dc.rights.holderSouth African Society for Enology and Viticultureen_ZA
dc.subjectGrapevines -- In vitro produced shootsen_ZA
dc.subjectGrapevine shoot apices -- Anatomical structureen_ZA
dc.subjectStimulatory effects of cytokininsen_ZA
dc.subjectGrapevines cultured in vitro -- Effects of cytokinins onen_ZA
dc.titleAnatomical responses to cytokinins of abscised grapevine shoot apices cultured in vitroen_ZA
dc.typeArticleen_ZA
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