RFLP mapping of the dwarfing (Ddw1) and hairy peduncle (Hp) genes on chromosome 5 of rye (Secale cereale L)

被引：0

作者：

Korzun, V ^{[1
]}

Melz, G ^{[1
]}

Borner, A ^{[1
]}

机构：

[1] INST PFLANZENGENET & KULTURPFLANZENFORSCH,D-06466 GATERSLEBEN,GERMANY

来源：

THEORETICAL AND APPLIED GENETICS | 1996年 / 92卷 / 08期

关键词：

rye; RFLP; genetic mapping; dwarfing genes; hairy peduncle;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

An F-2 population was established for mapping the two dominant genes for dwarfness (Ddw1) and hairy peduncle (Hp) on chromosome 5R. The location of both genes was shown to be on the segment of chrome some 5RL which was ancestrally translocated and is homoeologous to Triticeae 4L. Hp co-segregated with the wheat gDNA probe WG199, localised in wheat on chromosomes 5AL, 4BL and 4DL. No segregation was observed between the traits hairy peduncle and hairy leaf sheath. The locus for Ddw1 was found to map distally to Hp/Xwg199 but proximal to the isozyme marker beta-amy-R1. The genetical distances were 5.6 cM between Hp/Xwg199 and Ddw1 and 11.5 cM between Ddw1 and beta-amy-R1, respectively. The map position of Ddw1 suggests that it is homoeologous to the wheat dominant dwarfing gene Rht12, present on chromosome 5AL and linked to beta-amy-A1.

引用

页码：1073 / 1077

页数：5

共 35 条

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