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本刊讯继东北和华北的病虫害过后,南方地区自8月份开始进入中晚稻病虫发生和危害关键时期。据全国农作物病虫害测报网监测,入汛以来,气候极端异常,中晚稻“两迁”害虫等重大病虫呈重发态势,尤其是稻飞虱发生形势与大面积暴发危害的2005年和2007年极为相似。截至8月24日,累计发生2.6亿亩次,同比增加近50%。
Our correspondent following the pests and diseases in the northeast and north China, the southern region since August began to enter the late pest insects and the critical period of harm. According to the National Crop Pest and Disease Information Network monitoring, since the flood season, the climate is extremely anomalous, the late peasants and other “pests” and other pests and other major pests were re-emerging situation, especially the occurrence of planthoppers and outbreaks of large-scale damage in 2005 and 2007 is very similar. As of August 24, a total of 260 million mu occurred, an increase of nearly 50%.