稻瘟病是我县水稻的主要病害之一,无论山区、丘陵和平原公社,在种植的水稻品种中,年年均有不同程度的稻瘟病发生.特别是山区、丘陵的新江、五斗江、左安、盆珠等公社发生频繁,受害比较严重,流行年份有成片发病,严重的一般要减产5-7成,也有的全田毁灭,颗粒无收. Rice blast is one of the main diseases of rice in our county.Whether the mountainous areas, hills and plains commune, there are different degrees of rice blast disease in the rice varieties planted every year.Especially in the Xinjiang, Wudoujiang, Zuo’an, pellets and other communes occur frequently, more serious victims, epidemic years into a film into the disease, the general serious to cut 5-7 into, and some fields destroyed, crop failure.