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根据当前病虫发生基数、气候条件和水稻栽培情况等因素综合分析,全国农业技术推广服务中心病虫害测报处预计今年早稻病虫害呈偏重以上发生态势,重于上年,发生面积3.14亿亩次。其中,虫害以稻飞虱、稻纵卷叶螟和二化螟为主,发生面积2.18亿亩次;病害以稻瘟病、稻纹枯病为主,发生面积9600万亩次。1.水稻虫害预计稻飞虱在华南、江南大部稻区偏重发生,粤北、桂
According to the current pest occurrence base, climate conditions and the situation of rice cultivation and other factors comprehensive analysis, the National Agricultural Technology Extension Service Center of Pests and Diseases Forecast early this year, pests and diseases are more serious than the above trend, heavier than the previous year, the occurrence area of 314000000 times. Among them, pests were mainly rice planthoppers, rice leafroller and rice stem borer, with an area of 218 million mu; diseases were mainly rice blast and rice sheath blight with an area of 96 million mu. 1. Rice pests are expected to planthoppers in southern China, most of the southern part of the southern rice occurred, Guangdong, Guangxi