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当前位置: 首页 > 文章 > 4种菊酯类杀虫剂对亚洲小车蝗的毒力和对ATPase活性的抑制 植物保护 2014,40 (1) 90-94
Position: Home > Articles > Toxicities of four pyrethroids and their inhibition to ATPase in Oedaleus asiaticus Plant Protection 2014,40 (1) 90-94

4种菊酯类杀虫剂对亚洲小车蝗的毒力和对ATPase活性的抑制

作  者：
李海平;张海珠;庞保平;常静
单  位：
内蒙古农业大学农学院
关键词：
亚洲小车蝗;菊酯类杀虫剂;毒力;ATPase;抑制
摘  要：
化学防治是草原蝗虫防治的主要应急措施,亚洲小车蝗是内蒙古草原的优势种。采用点滴法测定了4种菊酯类杀虫剂联苯菊酯、高效氯氰菊酯、高效氯氟氰菊酯和甲氰菊酯对亚洲小车蝗3龄蝗蝻的毒力。结果表明,联苯菊酯对亚洲小车蝗3龄蝗蝻的毒力最强,LD50值为0.004 8μg/头,高效氯氟氰菊酯、高效氯氰菊酯和甲氰菊酯的LD50值分别为:0.022 7、0.012 2和0.005 1μg/头。同时明确了4种菊酯类杀虫剂对亚洲小车蝗3龄蝗蝻离体ATPase活性都有一定程度的抑制作用。当药剂浓度为1×10-4 mol/L时,高效氯氟氰菊酯、高效氯氰菊酯、联苯菊酯和甲氰菊酯对Na+-K+-ATPase的抑制分别为:57.62%、55.34%、45.70%和20.94%,对Ca2+-Mg2+-ATPase的抑制分别为:58.30%、58.05%、41.80%和19.35%。在浓度范围为1×10-4~1×10-8 mol/L,4种杀虫剂对亚洲小车蝗ATPase活性的抑制存在明显的剂量-效应关系。
译  名：
Toxicities of four pyrethroids and their inhibition to ATPase in Oedaleus asiaticus
作  者：
Li Haiping;Zhang Haizhu;Pang Baoping;Chang Jing;College of Agronomy,Inner Mongolia Agricultural University;
关键词：
Oedaleus asiaticus;;pyrethroid;;toxicity;;ATPase;;inhibition
摘  要：
The toxicities of four pyrethroid insecticides to third-instar larvae of Oedaleus asiaticus B.-Bienko were measured through the micro-topical application technique.The results showed that the larvae were most sensitive to bifenthrin among the four insecticides tested,and its LD50 was 0.004 8μg/larva.The LD50 values of lambdacyhalothrin,beta-cypermethrin and fenpropathrin were 0.022 7μg/larva,0.012 2μg/larva and 0.005 1μg/larva,respectively.It was showed that the four pyrethroids tested could inhibit the activity of ATPase in the larvae. When the final concentration of pyrethroids was 1×10-4 mol/L,the percentages of inhibition to Na+-K+-ATPase by the four pyrethroids insecticides were 57.62%(lambda-cyhalothrin),55.34%(beta-cypermethrin), 45.70%(bifenthrin)and 20.94%(fenpropathrin),respectively,and the percentages of inhibition to Ca2+-Mg2+-ATPase were 58.30%(lambda-cyhalothrin),58.05%(beta-cypermethrin),41.80%(bifenthrin)and 19.35%(fenpropathrin),respectively.The inhibition to ATPase activity by the four pyrethroids was increased with the increasing of pyrethroid concentration from1×10-4 to 1×10-8 mol/L.

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