四川玉米小斑病菌交配型组成与育性分析

孙小芳,刘敏,潘婷敏,龚国淑

Mating Type and Fertility of Cochliobolus heterostrophus Causing Southern Corn Leaf Blight in Sichuan Province

SUN XiaoFang,LIU Min,PAN TingMin,GONG GuoShu

图1 玉米小斑病菌有性世代的形态特征 A：以小麦秆为诱导基物产生的假囊壳Pseudothecia on wheat straw;B：以玉米叶片为诱导基物产生的假囊壳Pseudothecia on maize leaf;C：正在释放子囊孢子的假囊壳A mature pseudothecium liberating the ascospores;D、E：子囊和子囊孢子Cylindrical and straight curved asci with ascospores coiling in a close helix;F：1个子囊中的8个子囊孢子Flagelliform ascospores from one ascus

Fig. 1 Sexual generation of C. heterostrophus