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Evaluating wild grapevine tolerance to copper toxicity

AuthorsCambrollé, J. ; García Fernández, José Luis ; Figueroa, Manuel E.; Cantos, Manuel
Wild grapevine
Issue Date2015
CitationChemosphere 120: 171- 178 (2015)
Abstract© 2014 Elsevier Ltd. We evaluate copper tolerance and accumulation in Vitis vinifera ssp. sylvestris in populations from a copper contaminated site and an uncontaminated site, and in the grapevine rootstock >41B>, investigating the effects of copper (0-23. mM) on growth, photosynthetic performance and mineral nutrient content. The highest Cu treatment induced nutrient imbalances and inhibited photosynthetic function, causing a drastic reduction in growth in the three study plants. Effective concentration was higher than 23. mM Cu in the wild grapevines and around 9. mM in the >41B> plants. The wild grapevine accessions studied controlled root Cu concentration more efficiently than is the case with the >41B> rootstock and must be considered Cu-tolerant. Wild grapevines from the Cu-contaminated site present certain physiological characteristics that make them relatively more suitable for exploitation in the genetic improvement of vines against conditions of excess Cu, compared to wild grapevine populations from uncontaminated sites.
Description8 páginas.-- 4 figuras.-- 1 tablas.-- 36 referencias
Publisher version (URL)http://dx.doi.org/10.1016/j.chemosphere.2014.06.044
Identifiersdoi: 10.1016/j.chemosphere.2014.06.044
issn: 1879-1298
Appears in Collections:(IRNAS) Artículos
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