禾谷缢管蚜和麦长管蚜3小时玻璃管药膜法敏感度毒力基线的建立.doc

禾谷缢管蚜和麦长管蚜玻璃管药膜法敏感毒力基线的建立 中国农业大学昆虫学系，北京 100193 摘要:关键词:Q965.9 文献标识码: A 文章编号: 0454-6296(2009)01-00-00 Establishment of baseline susceptibility data to various insecticides for aphids Rhopalosiphum padi (Linnaeus) and Sitobion avenae (Fabricius) (Homoptera: Aphididae) by the method of residual film in glass tube LU Yan-Hui, YANG Ting, GAO Xi-Wu (Department of Entomology, China Agricultural University, Beijing 100193, China) Abstract: 【Aim】 The objective of this research was to establish susceptible toxicity baselines of both Rhopalosiphum padi and Sitobion avenae to 22 insecticides. 【Method】 The method of the residual film in glass tube with 3 h exposure to insecticides was employed for determining toxicity of insecticide to both wheat species, which were originally collected from different provinces of China during 2005(2007 and reared on wheat seedlings in laboratory for more than 30 generations. 【Result】 n R. padi, the LC50 values of susceptible toxicity baselines were 0.02 μg/cm2 and 0.007 (g/cm2 for neonicotinoid insecticides, imidacloprid and acetamiprid respectively; 0.124 (g/cm2 for pymetrozin; 0.0026-0.70 (g/cm2 for carbamate insecticides, carbosulfan, thiodicarb, methomyl, pirimicarb and carbaryl; 0.005-0.065 (g/cm2 for organophosphate insecticides, triazophos, profenofos, omethoate, dimethoate, malathion, phoxim, dichlorvos and chlorpyrifos; 0.033-0.240 (g/cm2 for pyrethroid insecticides, lamba-cyhalothrin, beta-cypermethrin, deltamethrin, bifenthrin, fenvalerate and cypermethrin. In S. avenae, the LC50 values of susceptible toxicity baselines were 0.15 (g/cm2 and 0.12 (g/cm2 for neonicotinoid insecticides, imidacloprid and acetamiprid respectively; 0.41 (g/cm2 for pymetrozin; 0.005-0.76 (g/cm2 for carbamate insecticides carbosulfan, thiodicarb, methomyl, pirimicarb and carbaryl; 0.018-0.36 (g/cm2 for organophosphate insecticides, triazophos, profenofos, omethoate, dimethoate, malathion, phoxim, dichlorvos and chlorpyrifos and 0.20-2.94 (g/c