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水稻纹枯病(Rhizoctonia solani kuhn)是我县连年重发的流行性病害之一。其为害损失一般在20%左右。近年来,为控制该病的为害损失,我们在狠抓流行程度预测的基础上,采取了一整套以农业防治为基础,药剂防治为重点的综防配套措施,成效显著。1989年共推广综防配套技术50余万亩,挽回粮食损失5000多万公斤。同时,也减少了化学农药的施用,经济效益、生态效益和社会效益十分突出。一、农业防治配套技术及作用据本县试验研究表明,农业防治的控病作用是显著的。表现在以下四个方面。1.打捞菌核田间菌核是水稻纹枯病的主要初染源之一,其上浮率为59.9～98.4%。
Rhizoctonia solani kuhn is one of epidemic diseases recurring in our county. Damage damage is generally about 20%. In recent years, in order to control the damage caused by this disease, we have taken a full set of comprehensive prevention measures based on the prevention and treatment of agriculture based on the prediction of epidemics and achieved remarkable results. In 1989, a total of more than 50 million hectares of comprehensive prevention and anti-complementary technologies were promoted, and more than 50 million kilograms of grain losses were recovered. At the same time, it also reduces the application of chemical pesticides, and economic, ecological and social benefits are outstanding. First, supporting technology and role of agricultural control According to the experimental study shows that the county, the role of disease control in agriculture is significant. In the following four aspects. 1. Seized sclerotia Sclerotiorum is one of the main sources of rice sheath blight, the floating rate of 59.9 to 98.4%.