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Synthesis and bioactivity studies of sex pheromone analogs of the diamond back moth, Plutella xylostella

机译：钻石后蛾的性信息素类似物的合成与生物活性研究，Plutella Xylostella

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摘要

BACKGROUND Diamondback moth, Plutella xylostella L., is a very important pest of cruciferous vegetables causing excessive economic losses worldwide. Bioactivities of halo-, diazo-, and cyclopropane acetates of P. xylostella sex pheromone have been evaluated using electrophysiology and enzyme inhibition assays. RESULTS A total of 23 sex pheromone analogs of P. xylostella were designed and synthesized and the result shows that (11Z)-hexadec-11-en-1-yl 2,2,2-trifluoroacetate, (11Z)-hexadec-11-en-1-yl 2,2,3,3,3-pentafluoropropanoate, and (11Z)-hexadec-11-en-1-yl trifluoromethanesulfonate elicited potential inhibitory effects at all doses tested in the electrophysiology and enzyme inhibition assays. Interference of locating the sex pheromone source was found strongest when these three analogs were mixed with the sex pheromone at a 10:1 ratio. In addition, field test showed that the rate of mating disruption was over 90% when (11Z)-hexadec-11-en-1-yl 2,2,2-trifluoroacetate or (11Z)-hexadec-11-en-1-yl 2,2,3,3,3-pentafluoropropanoate was mixed with the sex pheromone at a 10:1 ratio. CONCLUSION Two sex pheromone antagonists were screen out by electrophysiology, enzyme inhibition assays, wind tunnel and field tests. We believe that these antagonists could be used to establish a novel eco-friendly measure to control P. xylostella and provide evidence for clarifying the specific functions and molecular mechanisms of sex pheromone antagonists. (c) 2018 Society of Chemical Industry
机译：背景技术Diamondback Moth，Plutella Xylostella L.，是十字花果树的一种非常重要的害虫，导致全世界过度经济损失。通过电生理学和酶抑制测定评估了卤素，重氮和环丙酮的卤素，二氮杂和环丙烷醋酸乙酸酯的生物活性。结果设计和合成了P. Xylostella的23种性信息素类似物，结果表明（11Z）-Hexadec-11-en-1-Y12,2,2-三氟乙酸酯，（11Z） - 罕见-11- EN-1-YL 2,2,3,3,3-五氟丙酸盐，和（11Z）-Hexadec-11-en-1-y1三氟甲磺酸盐在电生理学和酶抑制测定中测试的所有剂量中引发了潜在的抑制作用。当这三种类似物与10：1的比例混合时，当这三种类似物混合时，发现性能信息源的干扰最强。此外，现场试验表明，当（11Z）-Hexadec-11-en-1-yl 2,2,2-三氟乙酸酯或（11z）-Hexadec-11-en-1-时，交配破坏的速率超过90％超过90％将YL 2,2,3,3,3-五氟丙酸盐与性信息素混合在10：1的比例。结论两种性信息素拮抗剂通过电生理，酶抑制测定，风洞和现场试验进行筛选。我们认为，这些拮抗剂可用于建立一种新的生态友好措施来控制Xylostella并提供澄清性信息素拮抗剂的特定功能和分子机制的证据。 （c）2018化学工业协会

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  • 来源
    《Pest Management Science》 |2019年第4期|共11页
  • 作者

    Wang An-jia; Zhang Kai-Xin; Gao Yu-lin; Weng Ai-zhen; Wang Liu-yang; Zhang Yun-hui; Zhang Zhi; She Dong-mei; Ning Jun; Mei Xiang-dong;

  • 作者单位

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Beijing Plant Protect Stn Beijing Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 植物保护;
  • 关键词

    sex pheromone; sex pheromone analogs; mating disruption; chemical synthesis; bioactivity; Plutella xylostella;

    机译：性信息素;性信息素类似物;交配中断;化学合成;生物活性;Plutella Xylostella;

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