Effect of Beauveria bassiana on the ovarian development and reproductive potential of Anastrepha ludens (Diptera: Tephritidae)
Sánchez Roblero, David
| Huerta Palacios, Graciela [autor/a]
| Valle Mora, Javier Francisco [autor/a]
| Gómez Ruiz, Jaime [autor/a]
| Toledo, Jorge [autor/a]
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Tipo de ítem | Biblioteca actual | Colección | Signatura | Estado | Fecha de vencimiento | Código de barras |
---|---|---|---|---|---|---|
Artículos | Biblioteca Electrónica Recursos en línea (RE) | ECOSUR | Recurso digital | ECO400514452215 |
Disponible para usuarios de ECOSUR con su clave de acceso
We investigated the virulence of a native strain of Beauveria bassiana on the mortality, ovarian development, oogenesis, survival, fecundity and fertility of 4-, 8- and 12-day-old Anastrepha ludens females. In the first study, this strain caused 85% mortality in 8-day-old treated females, with a median lethal concentration (LC50) of 3.1 108 (2.1 108 4.7 108) conidia/mL and a median lethal time (LT50) of 6.5 days. In the second study, the ovarian development and oogenesis of A. ludens females treated with 1 109 conidia/mL were monitored daily in sacrificed flies. The fungus infection did not significantly affect ovarian development of the treated females, although there was a delay in vitellogenesis and a reduction in the quantity of mature basal oocytes and oviposition index in these flies. Moreover, the lowest net fecundity was found in 4-, 8- and 12-day-old treated females, and reduced fertility was observed in 4-day-old treated females. An application to test the potential use of this strain under field conditions is discussed. eng
Disponible en línea
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