Spodoptera albula susceptibility to Bacillus thuringiensis-based biopesticides

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Goncalves, Kelly Cristina [UNESP]
Boica Junior, Arlindo Leal [UNESP]
Duarte, Rogerio Teixeira
Moreira, Lais Fernanda [UNESP]
Nascimento, Joacir do [UNESP]
Polanczyk, Ricardo Antonio [UNESP]

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Elsevier B.V.


Single concentration and virulence (mean lethal concentration) bioassays were performed to evaluate the susceptibility of S. albula second instar larvae to seven Bacillus thuringiensis-based biopesticides. Bioassays were conducted using three replicates and repeated three times at 25 degrees C, 70 +/- 10% RH, and a 12:12 (light/dark) photoperiod; mortality was recorded seven days after treatment. The results were subjected to a Tukey's test and Probit analysis. Agree, DiPel SC, and XenTari achieved mortality rates of up to 80%, with the first of these being the most virulent against S. albula. Different Dipel formulations showed different degrees of larvicidal activity.



Microbialcontrol, Gray-streaked armyworm moth, Pest management

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Journal Of Invertebrate Pathology. San Diego: Academic Press Inc Elsevier Science, v. 157, p. 147-149, 2018.