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5月7~8日,全国农技中心在湖南省长沙市组织召开了全国早稻主要病虫害发生趋势会商会。与会专家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,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2 093.3万hm2次。其中,虫害以稻飞虱、稻纵卷叶螟和二化螟为主,发生面积1 453.3万hm2次;病害以稻瘟病、稻纹枯病为主,发生面积640万hm2次。
From May 7 to May 8, the National Agricultural Technology Center organized a conference on the trend of major pests and diseases in early rice in the city of Changsha in Hunan Province. According to the current comprehensive analysis of pest occurrence base, climatic conditions and the situation of rice cultivation and other factors, it is estimated that pests and diseases will be heavier and heavier in this year than in the previous year, with an area of 19.333 million hm 2 times. Among them, the pests were mainly rice planthoppers, rice leaf roller and rice stem borer, with an area of 14.333 million hm2 times. The diseases were mainly rice blast and rice sheath blight with an area of 6.4 million hm2.