【摘要】 在新建的普通房式仓进行环流熏蒸试验 ,结果表明 :采用环流熏蒸可有效促进PH3气体均匀分布 ,保持 10 0 ppm以上有效浓度的时间达到 30天 ,能杀死仓内全部主要害虫 ,但仍存活了一些抗性锈赤扁谷盗个体。针对广东地区锈赤扁谷盗抗性较强的问题 ,建议环流熏蒸过程中 ,在保持足够密闭时间的情况下 ,适当提高PH3 有效浓度的最低值 ,以取得理想的熏蒸效果。更多还原

【Abstract】 Recirculation fumigation in new built warehouse were tested.The results showed that PH 3 can distribut uniformly and maintain 100 ppm for above 30 days.It can kill all the main insects in the warehouse except resistant Cryptolestes ferrugineus (Stephens).To kill the strong resistant Cryptolestes ferrugineus (Stephens) in Guangdong Province,some suggestions were given,such as raising the effective concentration of PH 3 and remaining adequte seal time in recirculation fumigation.更多还原