An Interesting Relationship between the Insecticidal Potential of Simarouba sp. in the Biology of Diamondback Moth

Silvana Aparecida de Souza, Isabella Maria Pompeu Monteiro Padial, Alberto Domingues, Juliana Rosa Carrijo Mauad, Anelise Samara Nazari Formagio, Jaqueline Ferreira Campos, José Bruno Malaquias and Rosilda Mara Mussury ()
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Silvana Aparecida de Souza: Postgraduate Program in Entomology and Biodiversity Conservation, Faculty of Biological and Environmental Sciences, Federal University of Grande Dourados, Dourados Highway-Itahum, Km 12, Dourados 79804-970, MS, Brazil
Isabella Maria Pompeu Monteiro Padial: Faculty of Agricultural Sciences, Federal University of Grande Dourados, Highway Dourados-Itahum, Km 12, Dourados 79804-970, MS, Brazil
Alberto Domingues: Faculty of Agricultural Sciences, Federal University of Grande Dourados, Highway Dourados-Itahum, Km 12, Dourados 79804-970, MS, Brazil
Juliana Rosa Carrijo Mauad: Agribusiness Program, Federal University of Grande Dourados, Highway Dourados-Itahum, Km 12, Dourados 79804-970, MS, Brazil
Anelise Samara Nazari Formagio: School of Biodiversity and Environmental, Federal University of Grande Dourados, Dourados Highway-Itahum, Km 12, Dourados 79804-970, MS, Brazil
Jaqueline Ferreira Campos: Postgraduate Program in Entomology and Biodiversity Conservation, Faculty of Biological and Environmental Sciences, Federal University of Grande Dourados, Dourados Highway-Itahum, Km 12, Dourados 79804-970, MS, Brazil
José Bruno Malaquias: Federal University of Paraíba, Entomology Laboratory, Agrarian Science Center, Areia 58397-000, PB, Brazil
Rosilda Mara Mussury: Postgraduate Program in Entomology and Biodiversity Conservation, Faculty of Biological and Environmental Sciences, Federal University of Grande Dourados, Dourados Highway-Itahum, Km 12, Dourados 79804-970, MS, Brazil

Sustainability, 2023, vol. 15, issue 10, 1-17

Abstract: Alternative methods of insect management are an important field of study for agriculture. The current study aimed to determine the effect of aqueous extracts from Simarouba sp. (AE-S) on the biology of Plutella xylostella and to determine the toxicity of the extract to the nematode Caenorhabditis elegans (an important in vivo alternative assay system for toxicological study). Lyophilized AE-S was chemically investigated by Ultrahigh-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). We evaluated the effect of the botanical extract on the life cycle of P. xylostella , from larval stage to adult stage, at concentrations of 10%, 5%, 1%, 0.1%, 0.05%, and 0.01% and a control. Subsequently, we analyzed the toxicity of the extract in an in vivo model. AE-S showed high amount of phenolic and flavonoid compounds. Six compounds were identified based on UHPLC-MS/MS analysis, including flavanone, kaempferol, 4,5-dimethoxycanthin-6-one, 11-acetylamarolide, ailanthinone, and glaucarubinone. The median lethal time for P. xylostella was estimated to be 96 h in all concentrations of AE-S, and at 120 h, 100% of the individuals were dead. Larvae exposed to AE-S at concentrations of 0.01, 0.05, and 0.1% showed a reduction in leaf area consumption, underdevelopment, and reductions in movement and pupal biomass. The lowest concentrations of AE-S (0.1%, 0.05%, and 0.01%) did not cause mortality in nematodes. Thus, the aqueous extract of Simarouba sp. could be an effective control tool because it mainly acts in the larval stage, the stage at which the insect causes damage to brassicaceae.

Keywords: biopesticide; bioactive compounds; botanical insecticide; toxicity; selectivity; integrated pest management; Caenorhabditis elegans (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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