Indoor Toxicity Determination of Dichlorvos and Isoprocarb Smoke Agent Against Chinese Chives Maggot,Bradysia odoriphaga

doi:10.14088/j.cnki.issn0439-8114.2018.12.016

HUBEI AGRICULTURAL SCIENCES ›› 2018, Vol. 57 ›› Issue (12): 57-60.doi: 10.14088/j.cnki.issn0439-8114.2018.12.016

• Plant Protection • Previous Articles Next Articles

Indoor Toxicity Determination of Dichlorvos and Isoprocarb Smoke Agent Against Chinese Chives Maggot,Bradysia odoriphaga

XU Lei, ZHAO Tong-hua, XU Guo-qing, LIU Pei-bin

Institute of Plant Protection,Liaoning Academy of Agricultural Sciences,Shenyang 110161,China

Received:2017-12-27 Published:2020-03-31

Abstract

Abstract: The fumigation toxicity of dichlorvos and isoprocarb smoke agent against Bradysia odoriphaga adults were measured by the glass chamber method. The results showed that the fumigation toxicity of the two kinds of smoke agent were the strongest by 26 ℃ dealt with 2 h,and right now their LD₅₀ remained basically,but the LD₉₉ of isoprocarb smoke agent （0.733 30 g.a.i/m³） was 5.2 times as much as that of dichlorvos smoke agent（0.141 40 g.a.i/m³）. The fumigation toxicity of the two kinds of smoke agent showed enhancement trend with the increase of temperature at the same period. The conclusions showed that the fumigation toxicity of dichlorvos smoke agent against B. odoriphaga adults was stronger, and the test insects showed greater sensitivity to dichlorvos smoke agent.

Key words: Bradysia odoriphaga, smoke agent, toxicity determination, regression equation, chi-square test

CLC Number:

S436.33
Q966

XU Lei, ZHAO Tong-hua, XU Guo-qing, LIU Pei-bin. Indoor Toxicity Determination of Dichlorvos and Isoprocarb Smoke Agent Against Chinese Chives Maggot,Bradysia odoriphaga[J]. HUBEI AGRICULTURAL SCIENCES, 2018, 57(12): 57-60.

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Indoor Toxicity Determination of Dichlorvos and Isoprocarb Smoke Agent Against Chinese Chives Maggot,Bradysia odoriphaga

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