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当前位置: 首页 > 文章 > 球孢白僵菌MZ041016菌株与4种低剂量农药混用对甘蓝蚜虫的室内毒力测定 河南农业科学 2007 (4) 61-63
Position: Home > Articles > Toxicity Determination of Beauveria bassiana MZ041016 Mixed with Four Insecticides to Brevicoryne brassicae L Journal of Henan Agricultural Sciences 2007 (4) 61-63

球孢白僵菌MZ041016菌株与4种低剂量农药混用对甘蓝蚜虫的室内毒力测定

作  者：
袁盛勇;孔琼;李正跃;陈斌;朱春燕
单  位：
红河学院农学系;云南农业大学植物保护学院;泸西县植保植检站;红河学院生物系
关键词：
球孢白僵菌;甘蓝蚜;毒力;化学杀虫剂
摘  要：
通过室内测定球孢白僵菌(Beauveria bassiana)MZ041016菌株不同浓度孢子及与不同农药混配对甘蓝蚜(Brevicoryne brassicaeL)的毒力,探讨球孢白僵菌的致病力及其开发潜力。结果表明,球孢白僵菌在9.2×108,9.2×107,9.2×106,9.2×105,9.2×104和9.2×103个/mL 6种浓度梯度下对甘蓝蚜具有致病作用,其中,浓度为9.2×108和9.2×107个/mL悬浮液对甘蓝蚜有较高致死率,其第7天死亡率达到100%;浓度为9.2×103个/mL死亡率最低为48.61%。生测结果表明,9.2×108个/mL悬浮液与不同农药混配对甘蓝蚜均具有较强的毒力,其中稀释10倍,以乐斯本的死亡率为最高,第5天可达100%;其次是灭多威、阿维菌素,吡虫啉死亡率最低,第6天仅达78.16%;稀释100倍,仍以乐斯本的死亡率最高,第5天达到73.41%,其次是灭多威、阿维菌素,吡虫啉死亡率为最低,第6天达54.57%。
译  名：
Toxicity Determination of Beauveria bassiana MZ041016 Mixed with Four Insecticides to Brevicoryne brassicae L
作  者：
YUAN Sheng-yong1,KONG Qiong2,LI Zheng-yue3,CHEN Bin3,ZHU Chun-yan4(1.Department of Agronomy,Honghe University,Mengzi 661100,China; 2.Department of Biology,Honghe University,Mengzi 661100,China; 3.College of Plant Protection,Yunnan Agricultural University,Kunming 650201,China;4.Plant Protection and Plant Quarantine Station of Luxi County,Luxi 652400,China)
关键词：
Beauveria bassiana;Brevicoryne brassicae L;Toxicity;Insecticide
摘  要：
The results of toxicity determination in laboratory showed that Brevicoryne brassicae L was highly infected at the doses of 9.2×108,9.2×107,9.2×106,9.2×105,9.2×104 and 9.2×103 conidia/mL,the mortality was 100% at 7th day afuer inoculation at the concentration of 9.2×108 and 9.2×107 conidia/mL,respectively,and was 48.61% at the level of 9.2×103 conidia/mL.The bioassay indicated that B.bassiana at 9.2×108 conidia/mL mixed with different pesticides had stronger virulence to Brevicoryne brassicae L;with 10 fold dilution of insecticides at the 5th day,the mortality of Lorsban48EC was 100%,secondly came Methomy and Abamectin1.8%WP and Imidacloprid was the last with 78.16% mortality at the 6th day;with 100 fold dilution,the mortality of Lorsban48EC was the highest and was 73.41% at the 5th day,Methomy and Abamectin1.8%WP ranked next and Imidacloprid came the last with 54.57% mortality at 6th day.

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