对黑龙江省中南部玉米主产区采集的90份玉米大斑病叶标本分离得到50个菌株,通过带有不同抗病基因的寄主接种鉴定.结果表明,存在有玉米大斑病2号生理小种。

90 Samples of Leaf Blight (Helminthosporium turcicum) were collected from the main maize regions in central and southern areas of Heilongjiang province,50 isolates were obtained from 90 samples by conventional methods.The identifical results showed that there is No.2 physiological form of corn Leaf Blight in these regions.

黑龙江省自然科学基金资助项目(C00-11)