Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae

Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae

The guava weevil is the main phytosanitary problem, causing production losses of up to 60 %. The main control method of the guava weevil is the application of chemical insecticides such as methyl parathion and malathion. The objective of the study was to evaluate the efficiency of entomopathogenic f...

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Auteurs principaux: Cerna-Chávez, Ernesto, De Lira-Ramos, Karla Vanessa, Ochoa-Fuentes, Yisa María, Delgado-Ortiz, Juan Carlos, Cepeda-Siller, Melchor, González-Gaona, Ernesto
Format: Online
Langue:spa
Publié: Universidad de Sonora 2021
Accès en ligne:https://biotecnia.unison.mx/index.php/biotecnia/article/view/1335
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spelling biotecnia-article-13352022-05-31T17:19:20Z Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae Actividad de extractos de plantas y hongos entomopatógenos para el control del picudo de la guayaba (Conotrachelus dimidiatus Champion) Coleóptera: Curculionidae Cerna-Chávez, Ernesto De Lira-Ramos, Karla Vanessa Ochoa-Fuentes, Yisa María Delgado-Ortiz, Juan Carlos Cepeda-Siller, Melchor González-Gaona, Ernesto LC50, sublethal concentrations, B. bassiana, M. anisopliae, mortality. CL50, concentración subletal, B. bassiana, M. anisopliae, mortlidad. The guava weevil is the main phytosanitary problem, causing production losses of up to 60 %. The main control method of the guava weevil is the application of chemical insecticides such as methyl parathion and malathion. The objective of the study was to evaluate the efficiency of entomopathogenic fungi in combination with different plant extracts in the control of Conotrachelus dimidiatus under laboratory conditions. We evaluated the biological effective­ness of Beauveria bassiana and Metarhizium anisopliae native strains, the susceptibility of the guava weevil to vegetable ex­tracts (pepper and jicama seed), as well as the compatibility of B. bassiana and M. anisopliae with the vegetable extracts for weevil control. The strains LC50 was calculated, from the strains that presented greater pathogenicity on adults of C. dimidiatus, later these were exposed to the LC50 and sublethal concentrations of the extracts. The results showed that the B. bassiana strains were pathogenic for the insect. Pepper ex­tract and jicama seed showed insecticidal activity. Mixtures between fungi and extracts recorded mortalities of 90 %. El picudo de la guayaba es el principal problema fitosanitario, ocasionando pérdidas del 60% en la producción; el principal método de control del picudo de la guayaba es la aplicación de insecticidas químicos como el paratión metílico y el malatión. El objetivo del estudio fue evaluar la eficiencia de hongos entomopatógenos en combinación con diferentes extractos vegetales en el control de Conotrachelus dimidiatus. En el presente estudio se evaluó la efectividad biológica de cepas nativas de Beauveria bassiana y Metarhizium anisopliae, la susceptibilidad del picudo de la guayaba a extractos vegetales, así como la compatibilidad de B. bassiana y M. anisopliae con los extractos vegetales para el control del picudo. Se calculó la CL50 de las cepas que presentaron mayor patogenicidad sobre los adultos de C. dimidiatus; posteriormente estos fueron expuestos a las CL50 y concentraciones subletales de los extractos. Los resultados demostraron que las cepas de B. bassiana fueron patogénicas para el insecto. El extracto de pimienta y semilla de jícama mostraron actividad insecticida. Las mezclas entre los hongos y los extractos registraron mortalidades del 90 %. Universidad de Sonora 2021-01-21 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Original peer-reviewed articles Artículos originales evaluados por pares application/pdf text/xml https://biotecnia.unison.mx/index.php/biotecnia/article/view/1335 10.18633/biotecnia.v23i1.1335 Biotecnia; Vol. 23 No. 1 (2021): Enero-Abril; 70-76 Biotecnia; Vol. 23 Núm. 1 (2021): Enero-Abril; 70-76 1665-1456 1665-1456 spa https://biotecnia.unison.mx/index.php/biotecnia/article/view/1335/486 https://biotecnia.unison.mx/index.php/biotecnia/article/view/1335/530 Derechos de autor 2021 Biotecnia https://creativecommons.org/licenses/by-nc-sa/4.0
institution Biotecnia
collection OJS
language spa
format Online
author Cerna-Chávez, Ernesto
De Lira-Ramos, Karla Vanessa
Ochoa-Fuentes, Yisa María
Delgado-Ortiz, Juan Carlos
Cepeda-Siller, Melchor
González-Gaona, Ernesto
spellingShingle Cerna-Chávez, Ernesto
De Lira-Ramos, Karla Vanessa
Ochoa-Fuentes, Yisa María
Delgado-Ortiz, Juan Carlos
Cepeda-Siller, Melchor
González-Gaona, Ernesto
Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae
author_facet Cerna-Chávez, Ernesto
De Lira-Ramos, Karla Vanessa
Ochoa-Fuentes, Yisa María
Delgado-Ortiz, Juan Carlos
Cepeda-Siller, Melchor
González-Gaona, Ernesto
author_sort Cerna-Chávez, Ernesto
title Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae
title_short Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae
title_full Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae
title_fullStr Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae
title_full_unstemmed Activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (Conotrachelus dimidiatus Champion) Coleoptera: Curculionidae
title_sort activity of plants extracts and entomopathogenic fungi for the control of the guava weevil (conotrachelus dimidiatus champion) coleoptera: curculionidae
description The guava weevil is the main phytosanitary problem, causing production losses of up to 60 %. The main control method of the guava weevil is the application of chemical insecticides such as methyl parathion and malathion. The objective of the study was to evaluate the efficiency of entomopathogenic fungi in combination with different plant extracts in the control of Conotrachelus dimidiatus under laboratory conditions. We evaluated the biological effective­ness of Beauveria bassiana and Metarhizium anisopliae native strains, the susceptibility of the guava weevil to vegetable ex­tracts (pepper and jicama seed), as well as the compatibility of B. bassiana and M. anisopliae with the vegetable extracts for weevil control. The strains LC50 was calculated, from the strains that presented greater pathogenicity on adults of C. dimidiatus, later these were exposed to the LC50 and sublethal concentrations of the extracts. The results showed that the B. bassiana strains were pathogenic for the insect. Pepper ex­tract and jicama seed showed insecticidal activity. Mixtures between fungi and extracts recorded mortalities of 90 %.
publisher Universidad de Sonora
publishDate 2021
url https://biotecnia.unison.mx/index.php/biotecnia/article/view/1335
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