营口稻区是我省高产稻区之一。90年代以来该稻区病害频发，特别是穗颈稻瘟病，在6年中有两次严重发病，两次中等偏轻发病，严重影响水稻的高产和稳产。防治稻瘟病已成为营口稻区水稻生产的首要问题。为此，我们分析了该稻区穗颈稻瘟病严重发生的原因并提出了相应的对策。1营口? Yingkou rice area is one of the province’s high yielding rice. Since the 1990s, there have been frequent disease occurrences in this area, especially the panicle blast disease. In the past 6 years, there have been two serious incidences and the incidence of moderate to moderate incidence has seriously affected the high yield and stable yield of rice. Prevention and treatment of rice blast has become the primary problem of rice production in Yingkou rice area. To this end, we analyzed the reasons for the serious occurrence of panicle blast in the rice area and put forward corresponding countermeasures. 1 Yingkou?