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金永玲#, *, 刘媛媛#, 王星宇, 李加奇, 陈 云, 张祖铭, 相龙鑫.氟吡呋喃酮与8种杀虫剂复配对温室白粉虱的联合毒力[J].植物保护,2023,49(2):383-388.
氟吡呋喃酮与8种杀虫剂复配对温室白粉虱的联合毒力
Joint toxicity of flupyradifurone with eight insecticides against Trialeurodes vaporariorum (Westwood)
投稿时间:2022-01-19  修订日期:2022-04-14
DOI:10.16688/j.zwbh.2022038
中文关键词:  温室白粉虱  毒力  共毒因子  共毒系数  增效作用
英文关键词:Trialeurodes vaporariorum  toxicity  co-toxicity factor  co-toxicity coefficient  synergism
基金项目:黑龙江八一农垦大学研究生创新科研项目(2021019); 黑龙江八一农垦大学国家级大学生创新创业项目(201710223013)
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金永玲#, *, 刘媛媛#, 王星宇, 李加奇, 陈 云, 张祖铭, 相龙鑫 JIN Yongling#, *, LIU Yuanyuan#, WANG Xingyu, LI Jiaqi, CHEN Yun, ZHANG Zuming, XIANG Longxin gygjyl08@163.com 
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中文摘要:
      为了筛选出对温室白粉虱高效的农药复配组合, 本试验选择9种杀虫单剂对田间采集的温室白粉虱进行了毒力测定, 并利用共毒因子和共毒系数对氟吡呋喃酮与8种杀虫剂复配组合的联合毒力进行评价, 同时对筛选出的药剂进行田间药效试验?结果表明:杀虫单剂毒力测定中, LC50最低的为鱼藤酮, 最高的为螺虫乙酯, 48 h LC50分别为0.43 μg/mL和78.59 μg/mL; 毒力大小顺序为鱼藤酮>氟啶虫胺腈>除虫菊素>苦参·印楝素>d-柠檬烯>氟吡呋喃酮>啶虫脒>高效氯氰菊酯>螺虫乙酯?共毒系数大于120的复配组合为氟吡呋喃酮与d-柠檬烯5∶1?氟吡呋喃酮与苦参·印楝素1∶2和1∶5, 共毒系数分别为268.31?247.80和241.46, LC50分别为5.76?4.51 μg/mL 和4.34 μg/mL?氟吡呋喃酮与d-柠檬烯5∶1复配增效作用明显, 为最佳配比?田间药效试验表明, 10 d后, 17%氟吡呋喃酮可溶液剂与1%苦参·印楝素乳油?5%d-柠檬烯可溶液剂复配对温室白粉虱的防效达到83.5%~83.9%, 均高于3种杀虫剂单独使用的效果?
英文摘要:
      In order to screen out the combinations of insecticides with synergism to Trialeurodes vaporariorum, the toxicity of nine single insecticides was determined to T. vaporariorum collected in the field, and the combined toxicity of flupyradifurone and eight insecticides was evaluated by co-toxicity factor and co-toxicity coefficient, meanwhile, field efficacies of selected agents were also investigated. The results showed that rotenone had the highest LC50 values, while spirotetramat was the lowest in the bioassay test of single insecticide, with the LC50 values of 0.43 μg/mL and 78.59 μg/mL, respectively 48 h after treatment. The order of toxicity was rotenone> sulfoxaflor> pyrethrins> sophoraflavescens·azadirachtin>d-limonene> flupyradifurone> acetamiprid>beta-cypermethrin> spirotetramat. The combination with cotoxicity coefficient greater than 120 is flupyradifurone and d-limonene 5∶1, flupyradifurone and sophoraflavescens·azadirachtin 1∶2 and 1∶5, the cotoxicity coefficients were 5.76, 4.51 μg/mL and 4.34 μg/mL respectively, LC50 were 5.76, 4.51 μg/mL and 4.34 μg/mL. The synergistic effect of the 5∶1 combination of flupyradifurone and d-limonene was obviously the best ratio. The field efficacy test showed that after ten days, the control effect of flupyradifurone 17% SL combined with sophoraflavescens·azadirachtin 1% EC and d-limonene 5% SL on T. vaporariorum reached 83.5%-83.9%, which was higher than that of the three insecticides alone.
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