根据多年的生产实践经验,在农业生产上采取以下四项综合防治措施,能够有效地减轻和控制穗颈瘟病的发生和蔓延。1 因地制宜选用抗病品种对地势低洼、排水不畅、常年稻瘟病发生较重的地块,一定要选用抗病性强、丰产稳产性好的品种,这是最为根本的措施之一。2 切实搞好播前处理稻种、稻田和有病稻草都应采取相应措施进行处理。稻种可采用20% Based on years of practical experience in production, the following four integrated prevention and control measures in agricultural production can effectively reduce and control the occurrence and spread of panicle blast. It is one of the most fundamental measures to choose the resistant varieties with low-lying, poorly drained and perennial rice blast in accordance with local conditions. It is imperative to choose varieties with good disease resistance and high yield and good yield. 2 do a good job before sowing rice, rice and sick straw should take appropriate measures to deal with. Rice species can be 20%