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    The LC50 value of the 4 insecticides to larvae of B. odoriphaga was 0.34~8.79 mg/L,and followed the order of toosendarin>chlorpyrifos>phoxim>imidacloprid.
    4种杀虫剂对韭蛆的LC50值为0.34~8.79mg/L,毒力大小依次为楝素>毒死蜱>辛硫磷>吡虫啉;
    Chlorpyrifos(15~120 mg/L) and imidacloprid(1.56~12.54 mg/L) applied alone caused 14.0%~28.0% and 0.0%~7.5% mortalities respectively, but their combinations with H06 caused 50.0%~65.0% and 58.8~80.0% mortalities respectively.
    毒死蜱15~120mg/L和吡虫啉1.56~12.54mg/L单用时韭蛆的死亡率分别为14.0%~28.0%和0%~7.5%,与H06线虫混用处理的死亡率分别为50.0%~65.0%和58.8%~80.0%。
    After treated for 5 d, the mortalities caused by chlorpyrifos+H06 and imidacloprid +H06 were 87.0%~95.0% and 61.3%~88.8%,respectively.
    药后5d,毒死蜱和吡虫啉与H06线虫对韭蛆的联合致死率分别达87.0%~95.0%和61.3%~88.8%。
    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.
    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%。
    An emulsifiable formulation of Beauveria bassina conidia (Bb) produced using a diphasic fermentation technology was tested for efficiency against aphids infecting the bamboo shoots in Yuhang of Zhejiang Province during March and May 2003. Three aqueous dilutions (1×107,1×106 and 1×105 conidia·mL-1) were sprayed onto bamboo crown with water as negative control and 1000-fold dilution of imidacloprid 10% wettable powder (WP) as positive control.
    利用液-酵法生产的球孢白僵菌悬乳剂于2003年4~5月在浙江省余杭进行笋竹蚜虫的田间药效试验和农户示范,以3种不同浓度稀释液(含孢量分别为1×107、1×106、1×105个?mL-1)进行常规喷雾处理,并设清水对照及1000倍10%吡虫啉稀释液为阳性对照.
    The results show that the selective toxicity of imidacloprid is the highest among 15 insecticides tested, and its selective toxicity ratio(STR, ladybird LD50/aphid LD50)is 135.56.Other insecticides with higher selective toxicity are cyfluthrin, cypermethrin and malathion,of which STRs are 114.00,62.86 and 45.43,respectively.
    结果表明,供试杀虫剂中以吡虫啉对七星瓢虫幼虫和苹果黄蚜的选择性最高,其选择性比值(七里瓢虫LD50/苹果黄蚜LD50)为135.56,其次为氟氯氰菊酯、氯氰菊酯和马拉硫磷,其选择性比值分别为114.00、62.86和45.43。
    We applied imidacloprid (water soluble granule and water suspension) , narrow range oil, imidacloprid (water suspension) mixed with narrow range oil, and Spinosad to 100 infested coral trees in Kaohsiung Metropolitan Park from January 2005 to April 2005 and as sessed their effectiveness to control the erythrina gall wasps.
    自2005年1月-2005年4月,我们在高雄都会公园以益达胺(imidacloprid)粒剂、益达胺水悬剂、窄域油(narrow range oil)、益达胺水悬剂混合窄域油、赐诺杀(Spinosad)等化合物各施用于100株刺桐病株,并以处理后新生叶片或枝芽上的虫瘿数评估各种化学处理控制刺桐釉小蜂的效力。
 

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