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用明胶和阿拉伯树胶为壁材,通过复合凝聚法合成了小菜蛾性信息素微胶囊,测定了其在田间的释放保留率,并初步探讨了其对小菜蛾的引诱和迷向活性.结果表明,小菜蛾性信息素微胶囊具有一定的缓释功能,在相同的性信息素浓度下,微胶囊的引诱活性明显好于橡胶诱芯.在迷向实验中,迷向田的小菜蛾诱捕数量明显少于化学防治对照田,说明迷向活性良好.因此,小菜蛾性信息素微胶囊的合成为应用性信息素治理小菜蛾提供了一种新的施用剂型.
Gelatin and gum arabic were used as wall materials to synthesize the sex pheromone microcapsules of Plutella xylostella by complex coacervation method and their release retention in the field was determined and the lure and the radial activity to Plutella xylostella were also discussed. , The sex pheromone microcapsules of Plutella xylostella L. had certain sustained-release function, and the entrapment efficiency of the microcapsules was obviously better than that of the rubber lure at the same sex pheromone concentration. Less than the chemical control field, indicating the good activity of the vagina.Therefore, the synthesis of sex pheromone microcapsules Plutella xylostella pallidum for the application of pheromone provides a new administration form.