Author:
Hayes P. M.,Blake T.,Chen T. H. H.,Tragoonrung S.,Chen F.,Pan A.,Liu B.
Abstract
Quantitative trait loci (QTL) controlling traits associated with winterhardiness in barley (field survival, LT50, growth habit, and crown fructan content) were mapped to chromosome 7 in a population of 100 F1-derived doubled haploid lines. The largest QTL effects for all traits were detected in a 21% recombination interval on the long arm of chromosome 7. QTL in this region accounted for 37–68% of the variation for three measures of cold tolerance, 47% of the variation for growth habit, and 28% of the variation in crown fructan content. Trait association may be due to linkage rather than pleiotropy.Key words: Hordeum vulgare, genome mapping, quantitative trait loci, winterhardiness, cold tolerance, fructan, growth habit.
Publisher
Canadian Science Publishing
Subject
Genetics,Molecular Biology,General Medicine,Biotechnology
Cited by
173 articles.
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