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水稻稻瘿蚊近年在广东省山区间歇性大发生。该虫钻蛀为害水稻生长点，使用药剂防治难度大。为解决这一问题，笔者开展了４８％乐斯本乳油对水稻稻瘿蚊的防治试验。１供试材料供试药剂４８％乐斯本EC（乳油，下称），美国陶氏益农公司生产；１０％益舒宝FG（颗粒剂，下称），法?
Rice gall midge mosquito in Guangdong Province in recent years, intermittent mountain occurred. The insects borers damage rice growth point, the use of pharmaceutical control difficult. In order to solve this problem, the author carried out 48% of the testosterone Loxian EC on rice. 1 test material for the test agent 48% Rexben EC (EC, hereinafter), the United States Dow AgroSciences production; 10% Yishu Bao FG (granules, hereinafter)