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2002~2012年从吉林省各水稻栽培区采集了水稻稻瘟病标样1463份。分离获得936个单孢菌株,用7个全国统一稻瘟病菌鉴别品种进行鉴定,鉴定出7群43个生理小种。优势种群为ZE群和ZG群,次要种群为ZF群;优势小种为ZE1和ZG1,频率为22.65%和21.79%,次要小种为ZF1,出现频率为13.25%。两个优势小种在不同地区占有绝对优势。但又存在着明显差异。
From 2002 to 2012, 1463 samples of rice blast samples were collected from all the rice cultivation areas in Jilin Province. A total of 936 isolates were isolated and identified with 7 national isolates of Magnaporthe grisea, and 7 populations of 43 physiological races were identified. The dominant populations were ZE group and ZG group, while the minor population was ZF group. The dominant race was ZE1 and ZG1 with frequency of 22.65% and 21.79%, minor race ZF1 and frequency of 13.25%. Two dominant races occupy an absolute advantage in different regions. But there are obvious differences.