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目前,我省主栽的“秋光”、“京引127”和“早锦”三大水稻品种不但栽培面积大,而且单产水平也高,对我省我市水稻生产有举足轻重的作用。从省农科院植保所和吉林市农科所多年测定结果看,我省我市多数稻瘟病菌生理小种对上述三个主栽品种均表现致病。若再继续大面积推广不抗病品种,当遇到有利于该病流行的年份,有可能引起该病的大流行,造成大幅度减产。因此,积极开展稻瘟病菌小种对水稻不同抗病基因的致病力研
At present, the three major rice varieties “QiuGuang”, “Jingyin 127” and “ZaoJin”, which are mainly cultivated in our province, not only have a large cultivation area, but also have a high yield per unit area, which plays an important role in rice production in our province. From the Provincial Academy of Agricultural Sciences Institute of Plant Protection and Jilin City Institute of Agricultural years of measurement results, the majority of our province city of Magnaporthe grisea physiological races on the three main cultivars are pathogenic. If we continue to promote large-scale non-disease-resistant varieties, when it comes to the year favorable to the epidemic, it may cause a pandemic of the disease and cause a sharp reduction in output. Therefore, actively carry out Magnaporthe grisea pathogenicity of different resistance genes in rice