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.

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 acro...

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Autores principales:	Luiz H Marques, Miles Lepping, Boris A Castro, Antonio C Santos, Jaedino Rossetto, Marcelo Z Nunes, Oscar A B N Silva, Valeria F Moscardini, Verissimo G M de Sá, Timothy Nowatzki, Mark L Dahmer, Pablo C Gontijo
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/75637ca9afdf43ea9a4cb36f28f0726a
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spelling	oai:doaj.org-article:75637ca9afdf43ea9a4cb36f28f0726a2021-11-25T06:19:21ZField 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.1932-620310.1371/journal.pone.0251134https://doaj.org/article/75637ca9afdf43ea9a4cb36f28f0726a2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0251134https://doaj.org/toc/1932-6203The 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.Luiz H MarquesMiles LeppingBoris A CastroAntonio C SantosJaedino RossettoMarcelo Z NunesOscar A B N SilvaValeria F MoscardiniVerissimo G M de SáTimothy NowatzkiMark L DahmerPablo C GontijoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 5, p e0251134 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Luiz H Marques Miles Lepping Boris A Castro Antonio C Santos Jaedino Rossetto Marcelo Z Nunes Oscar A B N Silva Valeria F Moscardini Verissimo G M de Sá Timothy Nowatzki Mark L Dahmer Pablo C Gontijo 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.
description	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.
format	article
author	Luiz H Marques Miles Lepping Boris A Castro Antonio C Santos Jaedino Rossetto Marcelo Z Nunes Oscar A B N Silva Valeria F Moscardini Verissimo G M de Sá Timothy Nowatzki Mark L Dahmer Pablo C Gontijo
author_facet	Luiz H Marques Miles Lepping Boris A Castro Antonio C Santos Jaedino Rossetto Marcelo Z Nunes Oscar A B N Silva Valeria F Moscardini Verissimo G M de Sá Timothy Nowatzki Mark L Dahmer Pablo C Gontijo
author_sort	Luiz H Marques
title	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.
title_short	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.
title_full	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.
title_fullStr	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.
title_full_unstemmed	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.
title_sort	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.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/75637ca9afdf43ea9a4cb36f28f0726a
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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.

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