| In order to identify the leaf rust resistance genes of 69 foreign wheat varieties (lines),and select the varieties with adult resistance.In the study,69 foreign wheat materials and 36 near isogenic lines with known resistance genes were inoculated with 17 Puccinia triticina races with different virulence to deduce the resistance gene of leaf rust at seedling stage,and the molecular markers of 11 known genes were used for marker detection. In order to determine the resistance of wheat materials at adult stage,69 foreign wheat materials were identified for leaf rust resistance in 2017-2018 in Baoding experimental field of Hebei province and Zhoukou Huangfan farm of Henan province,respectively.6 resistance genes were detected,including Lr1,Lr10,Lr19,Lr26,Lr34 and Lr37 in 69 wheat varieties (lines),and 6,19,5 and 10 varieties(lines) were detected with resistance genes Lr1,Lr10,Lr19 and Lr26 at seedling stage,and 10 and 26 varieties (lines) were detected with resistance genes Lr34 and Lr37 at adult stage,and 46 varieties (lines) with slow rust at adult stage were identified in field. |
基本信息
