Identification of Flanking Markers for the Stem Rust Resistance Gene Sr6 in Wheat

被引：11

作者：

Tsilo, Toi J. ^{[1
]}

Jin, Yue ^{[2
]}

Anderson, James A. ^{[1
]}

机构：

[1] Univ Minnesota, Dep Agron & Plant Genet, St Paul, MN 55108 USA

[2] Univ Minnesota, USDA ARS, Cereal Dis Lab, St Paul, MN 55108 USA

来源：

CROP SCIENCE | 2010年 / 50卷 / 05期

关键词：

PUCCINIA-GRAMINIS; UNITED-STATES; TRITICI; RACES;

D O I：

10.2135/cropsci2009.11.0648

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The wheat (Triticum aestivum L. and T turgidum L.) stem rust resistance gene Sr6 confers a high level of resistance against a wide range of races of Puccinia graminis Pers.:Pers. f. sp. tritici Eriks. and E. Henn. in North America. In this study, we report the identification of flanking markers for Sr6. We used a population of 139 recombinant inbred lines from the cross MN99394 x MN98550. A partial linkage map of chromosome 2D comprised Xgwm484, Xcfd77, Xcfd43, Xwmc453, Sr6, XwPt_4381, XwPt_0330, Xgpw94049, and Xgwm102. Four markers mapped distal to Sr6, while the other four were proximal within distances of 4.8 and 6.5 cM, respectively. Marker-assisted selection and pyramiding of Sr6 with other stem rust resistance genes could benefit from the availability of Sr6-flanking markers.

引用

页码：1967 / 1970

页数：4

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