水稻恶苗病又称徒长病、白秆病,是水稻生产上的一种重要病害,在世界各水稻产区均有发生。一般可造成水稻减产10%~20%,发病严重的可达40%~50%。以多菌灵为代表的苯并咪唑类杀菌剂曾是用于该病防治的主要药剂,但随着生产中水稻恶苗病菌对多菌灵抗药性的普遍产生,局部地区抗性菌株的抗药性倍 Rice stump disease, also known as legumes, white stalk disease, is an important disease in rice production in the world have occurred in all rice producing areas. Generally can cause rice yield 10% ~ 20%, the incidence of severe up to 40% to 50%. Benzimidazole fungicides, such as carbendazim, have been the main agents used in the prevention and treatment of the disease. However, with the general production of resistance to carbendazim in the production of Fagotacon, Medicinal times