Genetic analysis of traits of interest in Vitis vinifera using a progeny of wine grapes: Monastrell x Syrah
Author
Bayo Canha, AlmudenaDirector/a
Ruiz García, LeonorUniversity
Universidad Politécnica de CartagenaDepartment
Ciencia y Tecnología AgrariaFecha de lectura
2016-01-25Realizado en/con
Fundación Edmund Mach (Italia); Instituto Nacional de Investigación Agronómica (Francia)Publication date
2015Publisher
Almudena Bayo CanhaKeywords
Genetic mapGrapevine (Vitis vinifera L.)
Viticulture
Monastrell
Syrah
QTL mapping (Quantitative Trait Loci)
Wine
Localization
Abstract
The wine industry has a high value throughout the world, and the vine breeders are working to obtain new varieties well adapted to the new climatic conditions and with better genetic composition. In wine grapes there are some traits that are important for viticulture and the winery, such as phenological period, productivity, and the quality of the berries. Most of these traits are controlled by a large number of genes of minor effect, together with influences of the environment. Early identification of individuals carrying the desired allele combinations allows breeders to grow larger effective populations. One approach to the improvement of conventional breeding is the identification of chromosomal regions or QTL (Quantitative Trait Loci) involved in the genetic control of quality traits, based on genetic maps and phenotypic evaluation of a segregating progeny. The purpose of QTL mapping is to identify the number and location of the genetic determinants responsible for the variation of ...
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