稻瘟病是水稻重要的病害,特别是穗颈稻瘟为害更烈。近年来,由于积极推广抗病品种,对减轻稻瘟病的危害收到了一定的成效。但是,由于水稻品种的抗性容易丧失,病害往往还是猖獗流行。因此,选择高效、低毒、经济效益高的杀菌剂,仍然是稻瘟病防治上必不可少的措施。我们于1984年用浙江温州农药厂 Rice blast is an important disease of rice, especially panicle rice blast is more harmful. In recent years, due to active promotion of disease-resistant varieties, to reduce the harm of blast has received some success. However, diseases are often prevalent due to the easy loss of resistance of rice varieties. Therefore, the choice of efficient, low toxicity and high cost of fungicides, blast prevention and treatment is still indispensable measures. We used Zhejiang Wenzhou Pesticide Factory in 1984