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dc.contributor.authorXiao, Z.-
dc.contributor.authorChin, S.-
dc.contributor.authorWhite, R.G.-
dc.contributor.authorGourieroux, A.M.-
dc.contributor.authorPagay, V.-
dc.contributor.authorTyerman, S.D.-
dc.contributor.authorSchmidtke, L.M.-
dc.contributor.authorRogiers, S.Y.-
dc.identifier.citationFrontiers in Plant Science, 2021; 12:1-14-
dc.description.abstractVascular bundles in the grape pedicel and berry contain the conduits, phloem and xylem, for transport of water, sugar, nutrients and signals into and through the grape berry and play a critical role in berry growth and composition. Here, we assess the vascular anatomy within the proximal region of the berry. Guided using a 3D berry model generated by micro-CT, differential staining of transverse sections of berries and receptacles was followed by fluorescent microscopy. Morphometric and vascular characteristics were analyzed within the central proximal region (brush zone, a fibrous extension from the pedicel vascular system into the berry) of the seeded cultivars Shiraz and Sauvignon Blanc, as well as the stenospermocarpic cultivars Ruby Seedless and Flame Seedless. Observations revealed a change in vascular arrangement from the receptacle into the berry brush zone and differences in xylem element size as well as xylem and phloem area relationships. Xylem anatomical and derived hydraulic parameters, as well as total tissue area of xylem and phloem varied between cultivars and in receptacle and berry components. Variation in vascular growth between grape pedicels and berries was independent of seededness. Differences in receptacle xylem vessel size and distribution could contribute to cultivar-dependent xylem backflow constraint.-
dc.description.statementofresponsibilityZeyu Xiao, Sabrina Chin, Rosemary G. White, Aude M. Gourieroux, Vinay Pagay, Stephen D. Tyerman, Leigh M. Schmidtke and Suzy Y. Rogiers-
dc.publisherFrontiers Media-
dc.rights© 2021 Xiao, Chin, White, Gourieroux, Pagay, Tyerman, Schmidtke and Rogiers. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.-
dc.subjectVitis vinifera-
dc.subjectberry anatomy-
dc.subjectvascular tissues-
dc.titleVascular connections into the grape berry: the link of structural investment to seededness-
dc.typeJournal article-
dc.identifier.orcidTyerman, S.D. [0000-0003-2455-1643]-
Appears in Collections:Agriculture, Food and Wine publications
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