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根据病虫基数、作物布局、栽培特点和气候等因素,经综合分析,日前广东省预警防控中心印发了《2013年上半年农作物病虫发生趋势预测》(病虫情报2013年第3期)文件,预计2013年上半年全省农作物病虫害总体呈偏重发生,个别病虫重发生。一、水稻病虫预计水稻病虫总体发生程度为偏重,发生面积约7600万亩次。其中:预计稻飞虱发生程度为重发生,发生面积2500万
Based on a comprehensive analysis of factors such as the number of pests and diseases, crop layout, cultivation characteristics and climate, a few days ago Guangdong Provincial Early Warning and Prevention Center published the Prediction of Pest and Disease Occurrence in the First Half of 2013 (Pest Management Journal, 2013, Issue 3) Document, it is estimated that the crop diseases and insect pests in the whole province in the first half of 2013 are generally biased, and some pests and diseases occur again. First, pests and diseases of rice It is estimated that the overall incidence of rice pests and diseases is biased, occurring about 7600 acres of times. Of which: It is estimated that the occurrence of rice planthoppers occurs again with an area of 25 million