协调应用性引诱剂与农业、生物防治技术控制水稻二化螟试验示范

Experimental Demonstration of Efficacy of Coordinated Application of Sex-Attractant and Agricultural,Biological Control Technology to Control Rice Stem Borer,Chilo suppressalis

协调应用稻田耕沤、性引诱剂诱蛾及Bt防治第一代二化螟等措施,即在越冬代二化螟盛蛹期耕沤稻田、在盛蛾期挂放性引诱剂、在第一代二化螟盛卵期施用Bt,对第一代二化螟具有很好的控制效果。在不同类型诱捕器挂放同一企业同一批次生产的二化螟性引诱剂,其诱蛾量有明显差异,水盆诱捕器诱蛾量最高,为蛾类通用型诱捕器的2～6倍。

The first generation of rice stem borer,Chilo suppressalis,can be effectively controlled by coordinated application of ploughing and soaking rice field to kill the pupae of rice stem bore during the pupal stage and sex pheromone to trap moths during the adult stage of overwintering generation and spraying Bacillus thuringiensis to kill the larvae during the egg stage of the first generation.The percent of damaged rice plants can be controlled to less than the threshold of 1%.There was significant difference between the number of moths trapped by the sex pheromone traps produced by the same company placed in different types of traps.Number of moths trapped by basin traps is 2～6 times as that by common traps for the moths.