磷化铝间歇熏蒸对锈赤扁谷盗致死效果研究

RESEARCH OF AlP INTERMMITTENT FUMIGATION AGAINST CRYPTOLESTES FERRUGINEUS(STEPHENS)

本文采用磷化铝间歇熏蒸法 ,使粮堆内部各处PH3浓度在一定的时间内保持在有效浓度之上 ,无虫期超过 12个月 ,有效地防治了锈赤扁谷盗。

AlP intermmittent fumigation was tested.The results showed that the concentration of PH 3 can maintain above the effective concentration for a period of time,and no insects were found more than 12 months.Cryptolestes Ferrugineus (Stephens) can be controlled efficicently.