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Virulence of Beauveria bassiana (Deuteromycetes) strains against the coffee berry borer (Coleoptera: scolytidae)

De la Rosa Reyes, William [autor] | Alatorre Rosas, Raquel [autor] | Trujillo Arriaga, Francisco Javier [autor] | Barrera, Juan F [autor].
Tipo de material: Artículo impreso(a) y electrónico Artículo impreso(a) y electrónico Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Broca del cafeto | Beauveria bassiana | Hongos entomopatógenos | Control biológico de plagasClasificación: AR/633.73976 / V5 Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Entomological Society of America. Volumen 90, número 6 (1997), páginas 1534-1538. --ISSN: 0022-0493Número de sistema: 20328Resumen:
Inglés

The virulence of 9 strains of the fungus Beauveria bassiana (Balsamo) Vuillemin against the coffee berry borer, Hypothenemus hampei (Ferrari), was determined under laboratory conditions. Results show that B. bassiana is a potential microbial agent suitable for incorporation into a program of integrated control directed against H. hampei. The 3 most aggressive strains were Bb-4 (Ecuador), Bb-25 (Mexico), and Bb-26 (Mexico) with LC50s of 0.003,0.004, and 0.006%, respectively, which are equivalent to 2.2 X 106,4.1 X 106, and 5.9 X 106 conidia per milliliter of suspension. Mean lethal times (TL50) were between 4.3 and 7.5 d. The maximum percentage of cadavers that sporulated was obtained with strain Bb-25 at 90%, with 81.9% registered for Bb-17 and 81.9% for Bb-26. The lowest percentage of sporulation was observed for Bb-14 at 62%.

Recurso en línea: https://doi.org/10.1093/jee/90.6.1534
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Artículos (AR) 		ECOSUR AR 633.73976 V5 002 Disponible SER001157
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Artículos (AR) 		ECOSUR AR 633.73976 V5/EJ. 2 003 Disponible ECO010019070
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Artículos (AR) 		ECOSUR AR 633.73976 V5 002 Disponible ECO020010880

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The virulence of 9 strains of the fungus Beauveria bassiana (Balsamo) Vuillemin against the coffee berry borer, Hypothenemus hampei (Ferrari), was determined under laboratory conditions. Results show that B. bassiana is a potential microbial agent suitable for incorporation into a program of integrated control directed against H. hampei. The 3 most aggressive strains were Bb-4 (Ecuador), Bb-25 (Mexico), and Bb-26 (Mexico) with LC50s of 0.003,0.004, and 0.006%, respectively, which are equivalent to 2.2 X 106,4.1 X 106, and 5.9 X 106 conidia per milliliter of suspension. Mean lethal times (TL50) were between 4.3 and 7.5 d. The maximum percentage of cadavers that sporulated was obtained with strain Bb-25 at 90%, with 81.9% registered for Bb-17 and 81.9% for Bb-26. The lowest percentage of sporulation was observed for Bb-14 at 62%. eng

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