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通过多年的系统调查和观察,明确了稻瘿蚊发生具有间歇性、隐蔽性、暴发性、毁灭性和专一性等5个特点,分析了其在大田县间歇大发生有5个方面的因素。防治上提出农业防治可采取“铲”、“避”、“改”等方法,化学防治应选用具有强触杀、强渗透力药剂,采用毒土法施药技术。
Through years of systematic investigation and observation, it has been clarified that there are 5 characteristics of intermittent, concealed, outbreak, destructive and specific in the occurrence of rice gall midge, and its factors of intermittent occurrence in Datian County are analyzed . Prevention and control of agricultural prevention and control can be taken to “shovel”, “avoid”, “change” and other methods, chemical control should be used with a strong contact, strong penetrating agents, the use of toxic soil pesticide application technology.