Scientia Agricultura Sinica ›› 2011, Vol. 44 ›› Issue (14): 2900-2908 .doi: 10.3864/j.issn.0578-1752.2011.14.006

• PLANT PROTECTION • Previous Articles     Next Articles

Evaluation of Wheat Leaf Rust Resistance of 10 New Wheat Cultivars (Lines)

SHI Li-hong; ZHANG Na; HU Ya-ya; YANG Wen-xiang; LIU Da-qun   

  1. 河北农业大学植物保护学院植物病理系分子植物病理学实验室/河北省农作物病虫害生物防治工程技术研究中心
  • Received:2010-11-26 Revised:2010-12-15 Online:2011-07-15 Published:2011-07-15

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Abstract: 【Objective】 The objective of this study was to investigate the leaf rust resistance of 10 new wheat cultivars (lines) including Henong 5290, Henong 58-3, Henong 825, Henong 826, Henong 827, Henong 6049, Henong 6251, Henong 6425, Henong 7106 and Henong 9206. 【Method】Sixteen Puccinia triticina strains with different virulence patterns were used for seedling genes postulation and 6 strains of them for the test at adult stage. A series of STS and SCAR markers linked to 15 wheat leaf rust resistance genes were used for marker assisted selection of these tested cultivars (lines).【Result】Lr1 was found in cultivars Henong 6425 and Henong 9206. Lr26 was detected in 7 cultivars including Henong 825, Henong 826, Henong 827, Henong 6049, Henong 6251, Henong 6425 and Henong 9206. Henong 5290, Henong 58-3, Henong 825 and Henong 6251 were postulated containning other or unknown leaf rust resistance genes, and they were resistant to most of the P. triticina strains tested. 【Conclusion】 Henong 58-3, Henong 5290, and Henong 6251 showed potential use in wheat breeding for leaf rust resistance.

Key words: wheat leaf rust, genes postulation, resistance identification, marker-assisted selection

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