小麦新种质CH1357抗白粉病遗传分析及染色体定位

陈芳,乔麟轶,李锐,刘成,李欣,郭慧娟,张树伟,常利芳,李东方,阎晓涛,任永康,张晓军,畅志坚

Genetic analysis and chromosomal localization of powdery mildew resistance gene in wheat germplasm CH1357

Fang CHEN,Lin-Yi QIAO,Rui LI,Cheng LIU,Xin LI,Hui-Juan GUO,Shu-Wei ZHANG,Li-Fang CHANG,Dong-Fang LI,Xiao-Tao YAN,Yong-Kang REN,Xiao-Jun ZHANG,Zhi-Jian CHANG

表3 2个F2:3作图群体对白粉菌株E09的苗期抗性

Table 3 Resistant pathotype to Bgt E09 of two F2:3 populations

F2: 3家系表现型 Phenotype of F2:3 lines 杂交组合 Hybrid cross CH1357/Taichang 29 CH1357/Mianyang 11 实际值 Actual value 期望值 Expected value 实际值 Actual value 期望值 Expected value 纯合抗病株 Resistant plants 120 120.75 108 102.75 抗性分离株 Heterozygous plants 231 241.50 208 205.50 纯合感病株 Susceptible plants 132 120.75 95 102.75 合计 Total 483 411 χ2 (1:2:1) 1.509 0.883 P值P-value 0.470 0.643