不论是早稻还是晚稻,抽穗前后一般都是多种病虫害的发生危害期,需要使用化学农药防治,但在这个生育期施药,有些很容易造成药害,造成不应有的损失,值得引起注意。一、三唑酮水稻抽穗前,常会有稻瘟病、白叶枯病危害,常用三唑酮(粉锈宁)防治,但使用不当,会导致水稻叶片短小,严重时不能抽穗。三唑酮类杀菌剂防治病 Whether early or late rice, before and after heading are generally a variety of pests and diseases of the damage period, the need to use chemical pesticides control, but in this growth period of pesticide application, some easily lead to injury, causing undue loss, it is worth attention . First, triadimefon rice before heading, often rice blast, bacterial leaf blight, commonly used triadimefon (triadimefon) control, but improper use, will lead to short and in short leaves of rice, severe can not be heading. Triadimefon fungicides to prevent and treat diseases