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巴西转 Bt 棉花事件 DAS-21023-5×DAS-24236-5×SYN-IR102-7 对鳞翅目害虫的田间药效及对非靶标节肢动物群落的影响。

Field efficacy of Bt cotton containing events DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 against lepidopteran pests and impact on the non-target arthropod community in Brazil.

机构信息

Corteva Agriscience, Barueri, São Paulo, Brazil.

Corteva Agriscience, Indianapolis, Indiana, United States of America.

出版信息

PLoS One. 2021 May 4;16(5):e0251134. doi: 10.1371/journal.pone.0251134. eCollection 2021.

DOI:10.1371/journal.pone.0251134
PMID:33945577
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8096009/
Abstract

The efficacy and non-target arthropod effects of transgenic DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 Bt cotton, expressing proteins Cry1Ac, Cry1F and Vip3Aa19, was examined through field trials in Brazil. Fifteen field efficacy experiments were conducted from 2014 through the 2020 growing season across six different states in Brazil to evaluate performance against key lepidopteran pests through artificial infestations of Chrysodeixis includens (Walker), Spodoptera frugiperda (J.E. Smith,1797), Spodoptera cosmioides (Walker, 1858) and Chloridea virescens (F., 1781), and natural infestations of Alabama argillacea (Hübner) and S. frugiperda. The impact of this Bt cotton technology on the non-target arthropod community in Brazilian cotton production systems was also assessed in a multi-site experiment. DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 cotton significantly reduced the feeding damage caused by S. frugiperda, S. cosmioides, C. includens, C. virescens and A. argillacea, causing high levels of mortality (greater than 99%) to all target lepidopteran pests evaluated during vegetative and/or reproductive stages of crop development. Non-target arthropod community-level analyses confirmed no unintended effects on the arthropod groups monitored. These results demonstrate the value of transgenic Bt cotton containing event DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 for consideration as part of an integrated approach for managing key lepidopteran pests in Brazilian cotton production systems.

摘要

转 DAS-21023-5×DAS-24236-5×SYN-IR102-7 基因棉对表达 Cry1Ac、Cry1F 和 Vip3Aa19 蛋白的非靶标节肢动物的影响，在巴西田间试验中进行了研究。2014 年至 2020 年生长季，在巴西六个不同州进行了 15 项田间药效试验，通过人工接种斜纹夜蛾（Chrysodeixis includens (Walker)）、草地贪夜蛾（Spodoptera frugiperda (J.E. Smith,1797)）、美洲棉铃象甲（Spodoptera cosmioides (Walker, 1858)）和绿叶蝉（Chloridea virescens (F., 1781），以及自然接种棉铃虫（Alabama argillacea (Hübner）和 S. frugiperda），评估了该 Bt 棉对关键鳞翅目害虫的防治效果。在多地点试验中，还评估了这种 Bt 棉技术对巴西棉花生产系统中非靶标节肢动物群落的影响。DAS-21023-5×DAS-24236-5×SYN-IR102-7 棉花显著降低了 S. frugiperda、S. cosmioides、C. includens、C. virescens 和 A. argillacea 的取食危害，导致所有评估的目标鳞翅目害虫在作物生长的营养和/或生殖阶段死亡率（大于 99%）。非靶标节肢动物群落水平分析证实，对监测的节肢动物类群没有产生意外影响。这些结果表明，含有事件 DAS-21023-5×DAS-24236-5×SYN-IR102-7 的转基因 Bt 棉具有作为巴西棉花生产系统中管理关键鳞翅目害虫的综合方法的一部分的价值。

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J Econ Entomol. 2020 Jun 6;113(3):1234-1242. doi: 10.1093/jee/toaa051.
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