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近日,湖南省植保植检站根据全省各地上半年主要农作物病虫发生实况,结合栽培、气象和历年资料等综合因素考虑,预计全省中稻中后期和晚稻病虫害总体偏重发生。一、水稻病虫二化螟偏重发生,衡阳和湘潭大发生,湘北中等发生,发生面积2970万亩次。大螟轻发生,发生面积190万亩次。稻飞虱偏重发生,发生面积5400万亩次。稻纵卷叶螟中等发生,湘中以南偏重发生,发生面积4000万亩次。纹枯病
Recently, according to the actual situation of pest and disease occurrence of the main crops in the first half of the year in Hunan Province, combining with the comprehensive factors such as cultivation, meteorology and historical data, it is estimated that the pest and disease in the middle and late rice fields and the late rice in the whole province will be heavily biased. First, the rice pest mitochondrial emphasis occurs, Hengyang and Xiangtan occurred, the occurrence of the middle of the north, an area of 2970 mu acreage. Sesamia occurred lightly, an area of 190 mu acre. Planthopper bias occurred, the occurrence of an area of 5400 mu times. Cnaphalocrocis medinalis occurs moderately, with emphasis on the south of central Hunan, with an area of 40 million mu. Sheath blight