四川省农科院植保所发现病菌又产生了一毒性突变体,其毒性强,对四川小麦威胁大“小麦条锈病自1999~2009年在我省已经连续11年大发生,平均每年损失小麦1500万公斤,其中病害流行高峰年的2002年损失达3500万公斤。”近日,四川省农科院植保所研究员彭云良博士表示,近年来,该省大力推广以川麦42、内麦8号为代表的抗病高产品种,抗病品种播种面积在全省已达到40% Sichuan Academy of Agricultural Sciences plant protection found that the bacteria have produced a toxic mutant, its toxicity, a big threat to the wheat in Sichuan "wheat stripe rust from 1999 to 2009 in our province has 11 consecutive years of major occurrence, the average annual loss of wheat In recent years, Dr. Peng Yunliang, a researcher at Plant Protection Institute of Sichuan Academy of Agricultural Sciences, said that in recent years, the province has vigorously promoted the operation of Chuanmai 42 and Neimei 8 at the peak of disease epidemic in 2002, As the representative of the high-yielding disease-resistant varieties of sown areas in the province has reached 40%