Exploring the genetic variability in water use efficiency: evaluation of inter and intra cultivar genetic diversity in grapevines

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dc.contributor Medrano Gil, Hipólito
dc.contributor Escalona Lorenzo, José Mariano
dc.contributor.author Tortosa Montojo, Ignacio
dc.date 2017
dc.date.accessioned 2018-05-29T11:19:45Z
dc.date.issued 2018-05-29
dc.identifier.uri http://hdl.handle.net/11201/146354
dc.description.abstract [eng] Genetic improvement of crop Water Use Efficiency (WUE) is a general scope because the water scarcity. For grapevines, this results are relevant and need an urgent response because their wide distribution in semi-arid areas. New cultivars are difficult to introduce in viticulture due to the narrow dependency of consumer appreciation often linked to a certain particular wine taste. Clones of reputed cultivars would presumably be more accepted but little is known on the intra-cultivar genetic variability of the WUE. The present work compares, on the basis of two field assays, the variability of intrinsic water use efficiency (WUEi) in a large collection of cultivars in contrast with a collection of clones of Tempranillo cultivar. The results show that clonal variability of WUEi was around 80% of the inter-cultivar, thus providing a first assessment on the opportunity for clonal selection by WUE. Plotting the WUEi data against stem water potential or stomatal conductance it was possible to identify cultivars and clones out of the confidence intervals with significantly higher and lower of WUEi values. Similarly, the comparison of the coefficient of the variance showed for intra-cultivars values of WUEi around 80% of the clonal ones. The present results contribute to open the expectative for a genetic improvement of grapevine WUE ca
dc.format application/pdf
dc.language.iso eng ca
dc.publisher Universitat de les Illes Balears
dc.rights info:eu-repo/semantics/openAccess
dc.rights all rights reserved
dc.subject 546 - Química inorgànica ca
dc.subject 57 - Biologia ca
dc.subject.other Vitis vinifera ca
dc.subject.other Water stress ca
dc.subject.other Clone ca
dc.subject.other Genotype evaluation ca
dc.subject.other Tempranillo ca
dc.title Exploring the genetic variability in water use efficiency: evaluation of inter and intra cultivar genetic diversity in grapevines ca
dc.type info:eu-repo/semantics/masterThesis ca
dc.type info:eu-repo/semantics/publishedVersion
dc.date.updated 2018-05-22T09:35:04Z
dc.date.embargoEndDate info:eu-repo/date/embargoEnd/2050-01-01
dc.embargo 2050-01-01
dc.rights.accessRights info:eu-repo/semantics/embargoedAccess

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