Compatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control

Abstract Spodoptera frugiperda is a pest of economic importance for several crops with resistance reports to Bt crops and pesticides. Eco-friendly Bt biopesticides may be an alternative to chemical insecticides due to their selectivity and specificity. However, the efficacy of Bt biopesticides may b...

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Autores principales:	Cicero Antônio Mariano dos Santos, Joacir do Nascimento, Kelly Cristina Gonçalves, Giovani Smaniotto, Leonardo de Freitas Zechin, Marcelo da Costa Ferreira, Ricardo Antônio Polanczyk
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7506b95e7bfd43dbb4ddd36f145199b1
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spelling	oai:doaj.org-article:7506b95e7bfd43dbb4ddd36f145199b12021-12-02T13:34:33ZCompatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control10.1038/s41598-021-84871-w2045-2322https://doaj.org/article/7506b95e7bfd43dbb4ddd36f145199b12021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84871-whttps://doaj.org/toc/2045-2322Abstract Spodoptera frugiperda is a pest of economic importance for several crops with resistance reports to Bt crops and pesticides. Eco-friendly Bt biopesticides may be an alternative to chemical insecticides due to their selectivity and specificity. However, the efficacy of Bt biopesticides may be influenced by the association with other chemicals, such as adjuvants. This study evaluated the compatibility and toxicity of Bt biopesticides mixed with adjuvants for the control of S. frugiperda. The treatments included the association of Dipel SC and Dipel PM with adjuvants. Compatibility tests were used to evaluate the Bt mixture. Bt suspensions obtained from mixtures of Bt and adjuvants at 106 and 3 × 108 spores/mL−1 were used to evaluate S. frugiperda mortality and distilled water was used as the control. The addition of the adjuvant LI increased growth and sporulation, indicating compatibility with Bt biopesticides. The other adjuvants were toxic to reducing Bt growth and sporulation. Only the mixture of Bt with LI and Bt alone was effective to S. frugiperda. The addition of adjuvants to Bt biopesticide affect the Bt sporulation, growth and mortality.Cicero Antônio Mariano dos SantosJoacir do NascimentoKelly Cristina GonçalvesGiovani SmaniottoLeonardo de Freitas ZechinMarcelo da Costa FerreiraRicardo Antônio PolanczykNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Cicero Antônio Mariano dos Santos Joacir do Nascimento Kelly Cristina Gonçalves Giovani Smaniotto Leonardo de Freitas Zechin Marcelo da Costa Ferreira Ricardo Antônio Polanczyk Compatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control
description	Abstract Spodoptera frugiperda is a pest of economic importance for several crops with resistance reports to Bt crops and pesticides. Eco-friendly Bt biopesticides may be an alternative to chemical insecticides due to their selectivity and specificity. However, the efficacy of Bt biopesticides may be influenced by the association with other chemicals, such as adjuvants. This study evaluated the compatibility and toxicity of Bt biopesticides mixed with adjuvants for the control of S. frugiperda. The treatments included the association of Dipel SC and Dipel PM with adjuvants. Compatibility tests were used to evaluate the Bt mixture. Bt suspensions obtained from mixtures of Bt and adjuvants at 106 and 3 × 108 spores/mL−1 were used to evaluate S. frugiperda mortality and distilled water was used as the control. The addition of the adjuvant LI increased growth and sporulation, indicating compatibility with Bt biopesticides. The other adjuvants were toxic to reducing Bt growth and sporulation. Only the mixture of Bt with LI and Bt alone was effective to S. frugiperda. The addition of adjuvants to Bt biopesticide affect the Bt sporulation, growth and mortality.
format	article
author	Cicero Antônio Mariano dos Santos Joacir do Nascimento Kelly Cristina Gonçalves Giovani Smaniotto Leonardo de Freitas Zechin Marcelo da Costa Ferreira Ricardo Antônio Polanczyk
author_facet	Cicero Antônio Mariano dos Santos Joacir do Nascimento Kelly Cristina Gonçalves Giovani Smaniotto Leonardo de Freitas Zechin Marcelo da Costa Ferreira Ricardo Antônio Polanczyk
author_sort	Cicero Antônio Mariano dos Santos
title	Compatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control
title_short	Compatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control
title_full	Compatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control
title_fullStr	Compatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control
title_full_unstemmed	Compatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control
title_sort	compatibility of bt biopesticides and adjuvants for spodoptera frugiperda control
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/7506b95e7bfd43dbb4ddd36f145199b1
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Compatibility of Bt biopesticides and adjuvants for Spodoptera frugiperda control

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