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当前南方大部稻区早稻处于齐穗至灌浆乳熟期,中稻处于分蘖期。江南稻区出现“两迁”害虫同期突增峰。截至目前,全国水稻病虫害累计发生2.6亿亩次,近两周新增8751万亩,增幅为50%。其中稻飞虱、稻纵卷叶螟、螟虫、稻瘟病、纹枯病和南方水稻黑条矮缩病累计发生面积分别为7008万亩次、4863万亩次、7480万亩次、824万亩次、5978万亩次和17.3万亩次。自6月下旬以来,湖南怀化市、邵阳市、娄底市、湘潭市等
At present, most of the rice in the southern part of the region is in full grain ripening stage and mid-grain stage is in tillering stage. Jiangnan rice appeared “two move ” pests surge peak over the same period. Up to now, there have been 260 million mu of rice pests and diseases in the country and 87.51 million mu have been added in the past two weeks, an increase of 50%. Including rice planthopper, rice leaf roller, rice stem borer, rice blast, sheath blight and southern rice black-streaked disease cumulative occurrence area of 70080000 acres, 48630000 acres, 74800000 acres of times, 8240000 acres Times, 5978 mu and 173,000 mu. Since late June, Hunan Huaihua City, Shaoyang City, Loudi City, Xiangtan City