每当进入8月,水稻生产上常常遭遇稻曲病,特别是杂交中稻,如若感病,对产量和品质都会有很大的影响。稻曲病是一种真菌性病害,又称青粉病、黑穗病。以上年残留的菌核在土壤中或者附于水稻种子上越冬。一般在8月份开始为害,即在扬花、孕穗后期侵染,灌浆乳熟期显症。稻穗上部分谷粒感染,少则1~2粒,多则十至几十粒。 Whenever entering August, rice production is often affected by rice false smut, especially in hybrid rice. If susceptible, it will have a great impact on yield and quality. False Smut is a fungal disease, also known as powdery mildew, smut. Last year, the sclerotia in the soil or attached to the rice seeds winter. In the beginning of the general damage in August, that is, flowering, booting infestation late groud milk disease symptoms. Upper part of the grain of rice panicle infection, ranging from 1 to 2, as many as 10 to dozens of tablets.