有读者来电问:近期阴雨连绵,水稻稻瘟病发生严重,请问用什么药防治效果好?田间环境条件等不同可造成稻瘟病、纹枯病发病轻重差异,病害在田间点、片发生是常见现象。适用于水稻防治稻瘟病的药种主要有三环唑、稻瘟灵、异稻瘟净、咪鲜胺、春雷霉素、稻瘟酰胺、嘧菌酯、肟菌酯、烯肟菌胺等。其中,三环唑通过阻止病菌侵入而发挥作用,只有预防作用,没有治疗作用,应在发病前施用,或者在田间水稻发病初期与其他药混用 Some readers call to ask: the recent rainy season, rice blast serious, what medicine to prevent and control effect is good? Field environmental conditions can cause the difference between the incidence of rice blast, sheath blight, disease in the field point, the occurrence of film is a common phenomenon . Suitable for the prevention and treatment of rice blasting drugs are tricyclazole, rice blast of God, different blast nephew, prochloraz, kasugamycin, rice blast amide, azoxystrobin, trifloxystrobin, Among them, tricyclazole works by preventing the invasion of pathogens, only the preventive effect, there is no therapeutic effect, should be applied before the onset, or in the early stages of rice disease and other drugs mixed