Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil
Plutella xylostella (L.) is the main pest of Brassicaceae crops, in which it can generate considerable economic losses. Its control is based mainly on the application of chemical insecticides, but the excessive use of these pesticides has contributed to the development of resistance towards these ac...
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| Format: | Online |
| Sprache: | spa |
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Instituto de Ecología, A.C.
2020
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| Online Zugang: | https://azm.ojs.inecol.mx/index.php/azm/article/view/2214 |
| _version_ | 1799770402740764672 |
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| author | Rodriguez-Rodriguez, Jose Francisco Cerna-Chavez, Ernesto Ochoa-Fuentes, Yisa Maria Beltran-Beache, Mariana Landeros-Flores, Jeronimo Guevara-Acevedo, Luis Patricio |
| author_facet | Rodriguez-Rodriguez, Jose Francisco Cerna-Chavez, Ernesto Ochoa-Fuentes, Yisa Maria Beltran-Beache, Mariana Landeros-Flores, Jeronimo Guevara-Acevedo, Luis Patricio |
| author_sort | Rodriguez-Rodriguez, Jose Francisco |
| collection | AZM |
| description | Plutella xylostella (L.) is the main pest of Brassicaceae crops, in which it can generate considerable economic losses. Its control is based mainly on the application of chemical insecticides, but the excessive use of these pesticides has contributed to the development of resistance towards these active ingredients. Sublethal doses of insecticides can affect the physiology and behavior of insects. Lethal concentrations (LC20 and LC50) of fipronil were determined on a resistant line and a susceptible line of insects and later these concentrations were applied to third instar larvae to evaluate the percentage of pupation, weight of pupae, emergence of adults in two generations (progenitors and descendants) as well as the development times of each stage of P. xylostella. Following the application of an LC20 of fipronil, the development time was extended for more than 3 days and the fecundity decreased by more than 20% in the line resistant to fipronil. This can be an important factor for the management and control of this pest when there are problems of resistance to fipronil. |
| format | Online |
| id | azm-article-2214 |
| institution | Acta Zoológica Mexicana |
| language | spa |
| publishDate | 2020 |
| publisher | Instituto de Ecología, A.C. |
| record_format | ojs |
| spelling | azm-article-22142022-10-25T19:55:33Z Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil Rodriguez-Rodriguez, Jose Francisco Cerna-Chavez, Ernesto Ochoa-Fuentes, Yisa Maria Beltran-Beache, Mariana Landeros-Flores, Jeronimo Guevara-Acevedo, Luis Patricio Plutella xylostella resistencia fipronil efectos subletales Plutella xylostella resistance fipronil sublethal effects Plutella xylostella (L.) is the main pest of Brassicaceae crops, in which it can generate considerable economic losses. Its control is based mainly on the application of chemical insecticides, but the excessive use of these pesticides has contributed to the development of resistance towards these active ingredients. Sublethal doses of insecticides can affect the physiology and behavior of insects. Lethal concentrations (LC20 and LC50) of fipronil were determined on a resistant line and a susceptible line of insects and later these concentrations were applied to third instar larvae to evaluate the percentage of pupation, weight of pupae, emergence of adults in two generations (progenitors and descendants) as well as the development times of each stage of P. xylostella. Following the application of an LC20 of fipronil, the development time was extended for more than 3 days and the fecundity decreased by more than 20% in the line resistant to fipronil. This can be an important factor for the management and control of this pest when there are problems of resistance to fipronil. Plutella xylostella (L.) es la principal plaga de los cultivos de la familia Brassicaceae generando grandes pérdidas económicas. Su control se basa principalmente en la aplicación de insecticidas de químicos, el uso excesivo de estos plaguicidas ha ayudado al desarrollo de resistencia hacia estos ingredientes activos. La implementación de dosis subletales de insecticidas afecta la fisiología y comportamiento de los insectos. Se determinó las concentraciones letales (CL20 y CL50) de fipronil sobre una línea resistente y una línea susceptible a este compuesto y posteriormente estas se aplicaron a larvas de tercer instar para evaluar el porcentaje de pupación, peso de pupas, emergencia de adultos en dos generaciones (progenitores y descendientes), así como los tiempos de desarrollo de cada estadio de P. xylostella. Se observó un efecto importante en la aplicación de CL20 de fipronil al verse alargado el tiempo de desarrollo por más de tres días y una disminución de la fecundidad en más de un 20% en la línea resistente a fipronil, lo que puede ser un factor importante para el manejo y control de esta plaga cuando se presenten problemas de resistencia a fipronil. Instituto de Ecología, A.C. 2020-03-27 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Original articles Artículos originales application/pdf text/xml https://azm.ojs.inecol.mx/index.php/azm/article/view/2214 10.21829/azm.2020.3612214 ACTA ZOOLÓGICA MEXICANA (N.S.); Vol. 36 (2020); 1-10 ACTA ZOOLÓGICA MEXICANA (N.S.); Vol. 36 (2020); 1-10 2448-8445 0065-1737 spa https://azm.ojs.inecol.mx/index.php/azm/article/view/2214/2590 https://azm.ojs.inecol.mx/index.php/azm/article/view/2214/2683 Derechos de autor 2020 ACTA ZOOLÓGICA MEXICANA (N.S.) http://creativecommons.org/licenses/by-nc-sa/4.0 |
| spellingShingle | Rodriguez-Rodriguez, Jose Francisco Cerna-Chavez, Ernesto Ochoa-Fuentes, Yisa Maria Beltran-Beache, Mariana Landeros-Flores, Jeronimo Guevara-Acevedo, Luis Patricio Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil |
| title | Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil |
| title_full | Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil |
| title_fullStr | Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil |
| title_full_unstemmed | Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil |
| title_short | Efectos subletales en el desarrollo de Plutella xylostella (Lepidoptera: Plutellidae) asociados a la resistencia a fipronil |
| title_sort | efectos subletales en el desarrollo de plutella xylostella (lepidoptera: plutellidae) asociados a la resistencia a fipronil |
| url | https://azm.ojs.inecol.mx/index.php/azm/article/view/2214 |
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