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GrainGenes Reference Report: PBR-121-129

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Reference	PBR-121-129
Title	Molecular mapping of major genes and quantitative trait loci determining flowering time in response to photoperiod in barley
Journal	Plant Breeding
Year	2002
Volume	121
Pages	129-132
Author	Borner A Buck-Sorlin GH Hayes PM Malyshev S Korzun V
Abstract	Summary: Two major genes (eam8 and eam10) and two quantitative trait loci (QTL) determining flowering time in barley were associated with restriction fragment length polymorphism markers. The loci eam8 and eam10 were found to map in regions of chromosomes 1HL and 3HL, respectively, already estimated from previous classical linkage analyses. While investigating doubled haploid lines of a spring habit barley mapping population, two QTL for flowering time were detected on chromosomes 1HL and 7HS, respectively, when the material was grown under long photoperiod conditions. When growing the same lines under short photoperiod, no QTL were discernible. Allelic and homoeologous relationships with flowering time loci described earlier in barley and other Triticeae species are discussed
Keyword	[ Hide all but 1 of 35 ] barley doubled-haploid doubled-haploid lines flowering flowering time gene genetic mapping habit haploid haploid lines homoeologous relationships hordeum vulgare linkage locus major gene map mapping molecular mapping photoperiod photoperiod response polymorphism population qtl quantitative trait quantitative trait loci relationships restriction restriction fragment length rflp spring spring habit trait trait loci triticeae vulgare l cross

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