小麦F_2代白粉病抗、感病特性RAPD标记的比较研究

THE WHEAT BREEDING STUDY IN HIGH PRODUCTIVE STRAIN RESISTANT TO POWDERY MILDEW THE RAPD ANALYSIS IN F 2

用２０个随机引物，以抗白粉病（７９２０１－１１－７、临远７０６９）和感白粉病（中麦２号、郑８３１）的高产小麦品种为亲本，杂交获得的Ｆ２群体接种白粉病菌１５号小种，并进行ＤＮＡ随机扩增多态性（ＲＡＰＤ）分析．从中选育高产、抗病个体和研究抗感特性在分子水平上的差异．

The random amplified polymorphic DNA(RAPD) analysis was made in F 2 from hybridization of wheat resistant varieties to powdery mildew (79201 11 7 and Linyuan 7069) and susceptible ones (Zhongmai 2 # and ZhengZhou 831) with 20 random primers in this paper. The high productive and resistant varieties to powdery mildew were selected and molecular genetic difference of resistant/sensitive characters have been studied.