Molecular mapping of the photoperiod response gene ea7 in barley

被引：20

作者：

Stracke, S ^{[1
]}

Börner, A ^{[1
]}

机构：

[1] Inst Pflanzengenet & Kulturpflanzenforsch, D-06466 Gatersleben, Germany

来源：

THEORETICAL AND APPLIED GENETICS | 1998年 / 97卷 / 5-6期

关键词：

genetic mapping; RFLP; flowering time; photoperiod response; barley;

D O I：

10.1007/s001220050958

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The gene ea(7) determining photoperiod insensitivity under short day length was mapped on the short arm of chromosome 6H near the centromere. The gene was linked to the two flanking markers Xmwg2264 and Xmwg916 by 6.7 and 13.0 cM, respectively. Compared to Ppd-H1 (chromosome 2H) and Ppd-H2 (chromosome 1H), ea(7) determines the strongest effect on flowering time with 55 and 18 days difference compared to photoperiod sensitive genotypes grown under short and long photoperiods, respectively. Allelic and homoeologous relationships to major genes and quantitative trait loci controlling flowering time in barley and wheat are discussed.

引用

页码：797 / 800

页数：4

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