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我县地处苏北沿海，常年种植水稻３．３－３．５万公顷。稻瘟病是常发性重要病害，严重影响水稻高产稳产。为控制该病，我们对本地区的发生规律和防治技术进行了观察和研究，并将研究结果应用于生产实践，取得了较好的效果。１发生概况 我县８０年代初始见稻瘟病发生危害后，发
My county is located in the coastal areas of northern Jiangsu, perennial planting 33,500 hectares of rice. Rice blast is a common and important disease, which seriously affects the high and stable yield of rice. In order to control the disease, we observed and studied the law of occurrence and prevention and control in this area, and applied the research results to the production practice with good results. An overview of the occurrence of 80 counties in our county saw the initial occurrence of blast damage, hair