Linha Básica de Suscetibilidade de Chrysodeixis includens (Walker, [1858]) (Lepidoptera: Noctuidae) a Benzoato de Emamectina

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DOI:

https://doi.org/10.37486/2675-1305.ec01015

Keywords:

Resistance management, monitoring, avermectin, soybean looper

Abstract

Emamectin Benzoate was registered recently in Brazil to control Chrysodeixis includens (Walker, [1858]) (Lepidoptera: Noctuidae) in soybean. We studied the baseline susceptibility of Mato Grosso populations of C. includes to support Insect Resistance Management programs by standard feeding assays on insecticide-surface of artificial diet. Variation in susceptibility between populations was low. The LC50 values from 11 populations varied between 0.015 a 0.065 µg i.a. cm-2. Based on our results, we propose the discriminant concentration of 2.867 µg i.a. cm-2 of emamectin benzoate to monitor insecticide resistance in C. includes.

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Published

2019-12-17

How to Cite

Nunes, N. R., Rampelotti-Ferreira, F. T., Thiesen, L. V., Corassa, J. N., & Pitta, R. M. (2019). Linha Básica de Suscetibilidade de Chrysodeixis includens (Walker, [1858]) (Lepidoptera: Noctuidae) a Benzoato de Emamectina. Entomological Communications, 1, ec01015. https://doi.org/10.37486/2675-1305.ec01015

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Section

Bioassay

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