Comparative molecular mapping of GA insensitive Rht loci on chromosomes 4B and 4D of common wheat (Triticum aestivum L.)

被引：61

作者：

Borner, A ^{[1
]}

Roder, M ^{[1
]}

Korzun, V ^{[1
]}

机构：

[1] INST CYTOL & GENET, MINSK 220074, BELARUS

来源：

THEORETICAL AND APPLIED GENETICS | 1997年 / 95卷 / 07期

关键词：

comparative genetic mapping; dwarfing genes; GA insensitivity; microsatellites; RFLP; wheat;

D O I：

10.1007/s001220050673

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The two GA-insensitive dwarfing gene loci Rht-B1 and Rht-D1 were mapped using three F-2 populations, segregating for Rht-B1c (Rht3), Rht-D1b (Rht2) or Rht-D1c (Rht10). Rht-B1c was mapped on chromosome 4BS in the centromere region, distal and closely linked to the RFLP markers Xpsr144 (11.9 cM) and Xpsr584 (17.8 cM), but proximal to Xmwg634 (30 cM). Rht-D1c, however, was found to be closely linked to the distally located markers Xpsr921 (0.8 cM) and Xmwg634 (1.5 cM). The homoeologous relationships between the GA-insensitive dwarfing genes within the Triticeae are discussed.

引用

页码：1133 / 1137

页数：5

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