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依据病虫源基数、作物布局、栽培特点和气候趋势等因素综合分析,8月9日广东省农业有害生物预警防控中心预测下半年全省农作物病虫害总体偏重发生。一、水稻病虫预计水稻病虫偏重发生,局部重发生,发生面积8300万亩次。1.稻飞虱重发生,发生面积2900万亩次。2.稻纵卷叶螟偏重发生,发生面积2000万亩次。3.钻蛀性螟虫中等发生,发生面积720万亩次。4.稻瘟病中等发生,感病品种、
According to the comprehensive analysis of the base of the disease and insect source, crop layout, cultivation characteristics and climate trends and other factors, on August 9, Guangdong Agricultural Pest Early Warning Prevention and Control Center predicted the overall crop pests and diseases in the whole province will be heavily biased. First, pests and diseases of rice Rice pests and diseases are expected to be partial, local reoccurrence occurred, an area of 8300 mu times. 1. Rice planthopper reoccurred with an area of 2900 mu. 2. Cnaphalocrocis medinalis occurs with an area of 20 million mu. 3. Bore borers occurred moderately, with an area of 7.2 million mu. 4. Blast occurs in moderate, susceptible varieties,