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七十年代稻瘿蚊在我区猖獗为害,主要为害晚稻秧苗和晚稻本田。目前晚稻秧苗是晚稻本田稻瘿蚊的主要桥梁,秧田面积小,对象田明确,利于集中消灭。所以,把好晚稻秧苗防治这一关是减轻或消灭晚稻本田稻瘿蚊为害的决定性一环。以往常规用药防治晚稻秧苗稻瘿蚊多用喷雾或喷粉等方法,尽管多次施药,防治效果往往不够理想。我们自1977年开始采用浅层施药的方法,即在晚稻秧田整好秧畦后,将呋喃丹等具有内吸性且残效期
The seventies rice gall midge mosquito is rampant in our area, the main damage late rice seedlings and late rice Honda. At present, late rice seedling is the main bridge of late rice Honda rice gall midge, seedling area is small, the object field is clear, help to eliminate. Therefore, the good late rice seedling prevention and control of this level is to reduce or eliminate the late rice Honda rice gall midge mosquito decisive part. In the past, conventional methods of preventing and controlling late rice seedlings of rice gall midge multipurpose spray or dusting and other methods, despite repeated spraying, the control effect is often not ideal. Since 1977, we have adopted the method of shallow application of pesticides, that is, after the seedlings of late rice seedlings are properly planted, carbofuran and other systemic absorption and residual life