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白叶枯病是水稻主要病害之一。近年来,在温州地区迅速蔓延扩大,据一九七二年不完全统计,全区晚稻发病面积就达35万余亩,严重影响水稻产量,如一九七一年调查,一般损失二至五成,严重的损失八至九成。几年来,各地通过生产实践,开展与病害斗争,采取了一些防病措施,取得了一些效果,但还不能很好地控制本病为害。尤其在病害发生后,缺乏高效药剂进行防治。目前白叶枯病已成为阻碍生产发展的大问题,为了解决自叶枯病的防治问题,我们深入到病
Bacterial blight is one of the main diseases of rice. In recent years, the area spread rapidly in Wenzhou. According to incomplete statistics in 1972, the disease area of late rice in the whole region reached more than 350,000 mu, seriously affecting the output of rice. For example, in the survey in 1971, the average loss was two to five A serious loss of 80% to 90%. Over the past few years, various localities have taken some preventive measures through their production practices and struggles with diseases, and achieved some results, but the disease control is not yet well controlled. Especially in the disease, the lack of efficient agents for prevention and treatment. At present, bacterial blight has become a major problem that hinder the development of production. In order to solve the problem of prevention and cure of leaf blight, we have gone deep into the disease