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近日,广西壮族自治区植保总站根据全区农作物种植结构、病虫源基数、气候特点及历史资料等因素综合分析,预计2017年上半年该区农作物主要病虫草鼠总体发生程度为中等偏重局部大发生。1.水稻病虫预计总体发生程度为中等偏重局部大发生,发生面积3560万亩次。与上年相比,预计稻飞虱发生略重,其他主要病虫发生基本持平。其中:稻飞虱发生程度中等偏重局部大发生,发生面积1155万亩次,重发区域在
Recently, based on a comprehensive analysis of crop planting structure, base of pests and diseases, climate characteristics and historical data in Guangxi Zhuang Autonomous Region Plant Protection Terminus, it is estimated that the overall occurrence of major pests, diseases and insects and rats in this area in the first half of 2017 is moderately localized . 1. It is estimated that the overall incidence of rice pests and diseases is moderately localized and occurs locally, with an area of 35.6 million mu. Compared with the previous year, the occurrence of planthopper is expected to be slightly heavier and the occurrence of other major pests and diseases is basically the same. Among them: the occurrence of planthoppers moderately heavy local occurrence occurred, an area of 11550000 acres, the retransmission area in