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PH_3和CO_2混合增效熏蒸防治PH_3抗性害虫研究

作  者:
李素梅;李锁成
单  位:
河南濮阳国家粮食储备库
关键词:
PH_3;CO_2;熏蒸;抗性;储粮害虫
摘  要:
在新型房式仓内的小型粮垛中进行了PH3、CO2混合增效熏蒸抗性害虫的试验。试虫有采自河南安阳的赤拟谷盗,对PH3的抗性系数R1=180;采自吉林四平的赤拟谷盗,为PH3敏感品系;采自河南商丘的谷合,对PH3的抗性系数R1=190;采自广东潮州的谷蠹,为PH3的敏感品系;采自河南许昌的玉米泉,为PH3敏感品系。结果表明在AIP(片剂)1.2g/m3、CO28%、温度27℃、RH75%的情况下,密封100天可杀死对PH2具有较高抗性的赤拟谷盗和谷蠹等品系。
译  名:
CONTROL OF PHOSPHINE-RESISTANT INSECTS BY USING MIXTURE OF PH_3 AND CO_2
作  者:
Li Shumei; Li Shuochcng(Puyang State Grain Storage, Henan 457000)
关键词:
PH_3, CO_2, fumigation, resistance,stored-grain insect
摘  要:
The fumigation to control phosphine - resistant insects by using mixture of PH_3 and CO2 was carried out in the small stacks of bagged wheat in the wharehouse. The tested insects were susceptihle and resistant strains (Rf = 180 ) of Tribolium castaneum, susceptible and resistant strains (Rf = 190) of Rhyzopertha ddominica and susceptible strain of Sitophilus zeamais. The results showed that under 27℃ and RH 75%, 1. 2g/m3 of AlP (tablet) with CO2 8% could kill the high resistant strains of T. castaneu,n and R. dominica aftcr sealing for 10 days.

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