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近年来,小麦纹枯病在我省发生普遍,危害严重。并呈现连年加重的趋势,一般发病率为60～70%,严重影响着小麦的产量。只有对小麦
In recent years, wheat sheath blight occurred in our province is widespread, devastating. And showed increasing trend year after year, the general incidence of 60 to 70%, seriously affecting the yield of wheat. Only for wheat