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水稻是广西广大人民的主粮,其产量丰歉对人民生活产生直接的影响,同时也左右着经济建设的形势。水稻病虫种类繁多,主要有稻纹枯病、稻瘟病、稻纵卷叶螟,稻飞虱、三化螟、稻瘿蚊等。近年每年发生面积约5800万亩(次),占水稻病虫发生面积的70—80％,经防治后仍损失稻谷3.6亿公斤左右,是水稻生产发展的制约因素之一。因此,开展水稻病虫防治特别是做好水稻主要病虫综合防治工作,对于增加稻谷产量,增进农业收益,壮大农村经济以至整个社会主义经济建设,有着重大的意义。
Rice is the staple food for the broad masses of Guangxi people. Its output and apology have a direct impact on the people’s livelihood, but it also affects the economic construction. Rice pests and diseases wide range, mainly rice sheath blight, rice blast, rice leaf roller, planthopper, rice borer, rice gall midge and so on. In recent years, the annual area of about 5800 mu (subscript) occurred, accounting for 70-80% of the area affected by pests and diseases of pests. After the prevention and control, the loss of about 360 million kilograms of rice is one of the limiting factors in the development of rice production. Therefore, the prevention and control of rice pests and diseases, especially the prevention and control of major pests and diseases of rice, are of great significance for increasing the output of rice, increasing agricultural incomes, strengthening the rural economy and the entire socialist economy.