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1 September 2012 Efficacy of Biorational and Conventional Insecticides against the Pepper Weevil, Anthonomus eugenii Cano (Coleoptera: Curculionidae) in the South-Central Chihuahua
Gerardo García-Nevárez, Manuel Campos-Figueroa, Noé Chávez-Sánchez, Francisco J. Quiñones- Pando
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Abstract

We evaluated the efficacy of the biorational insecticides azadirachtin and spinetoram, as well as the neonicotinoid thiametoxam, the organophosphates chlorpyrifos and malathion, and the pyrethroid λ-cyhalothrin against the pepper weevil, Anthonomus eugenii Cano, in a field of jalapeño pepper, Capsicum annuum L., in South-Central Chihuahua. Thiametoxam and chlorpyrifos had an impact on the reduction of this pest as many as five days after application. Also, we evaluated the insecticide rotation effect of Treatment 1 (spinetoram → chlorpyrifos → chlorpyrifos → thiametoxam) and Treatment 2 (thiametoxam → chlorpyrifos → chlorpyrifos → thiametoxam) where both treatments suppressed populations of this insect. Treatment 1 had the fewest fallen fruits.

Gerardo García-Nevárez, Manuel Campos-Figueroa, Noé Chávez-Sánchez, and Francisco J. Quiñones- Pando "Efficacy of Biorational and Conventional Insecticides against the Pepper Weevil, Anthonomus eugenii Cano (Coleoptera: Curculionidae) in the South-Central Chihuahua," Southwestern Entomologist 37(3), 391-401, (1 September 2012). https://doi.org/10.3958/059.037.0315
Published: 1 September 2012
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