Negative effects on development of Chrysodeixis includens and Spodoptera cosmioides fed by peanut plants inoculated with entomopathogenic fungi

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dc.contributor.authorVinha, Fernando Belezini
dc.contributor.authorRojas, Luis Angel Chicoma
dc.contributor.authorSales, Cinara Ramos
dc.contributor.authorLima, Natalia Sarmanho Monteiro
dc.contributor.authordo Nascimento, Joacir [UNESP]
dc.contributor.authorde Carvalho, Lucas Amoroso Lopes [UNESP]
dc.contributor.authorLemos, Eliana Gertrudes De Macedo [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2023-01-03T17:19:28Z
dc.date.available2023-01-03T17:19:28Z
dc.date.issued2022-12-15
dc.description.abstractRecent studies have shown that entomopathogenic fungi, as endophytes, can have beneficial effects on plants, protecting them from defoliating insects. The potential of endophytic association by entomopathogenic fungi with the peanut crop has been little explored. In our study, we conducted experiments by inoculation of peanut seeds through a soil drench method with nine strains/species of entomopathogenic fungi of the genera Metarhizium, Beauveria and Cordyceps, subsequently these plants were consumed by two larval pests, Chrysodeixis includens and Spodoptera cosmioides. The parameters of larval growth rates, mortality, foliar consumption and larval period were observed during the development of larvae. In addition, the endophytic capacity of these fungi in peanut plants and their persistence in soil were investigated. In two replicate greenhouse trials for each larva, peanut plants were inoculated with fungi by the soil-drench method. We evaluated the performance of C. includens and S. cosmioides feeding on inoculated peanut plants starting at the 2nd larval instar. The larval and pupal weights of C. includens and S. cosmioides were significantly different among the fungal treatment groups, where insects feeding on control plants exhibited higher larval and pupal weights than insects feeding on treated plants. The differences in larval period showed that Control larvae pupated faster than the larvae fed on fungal-inoculated plants, fungal treatments had a larval period of 3 to 5 days more than the control. The mortality rates of C. includens and S. cosmioides were significantly different among the fungal treatment groups, insects fed on Control plants exhibited higher survival than insects fed on fungal-inoculated plants. The persistence of all Metarhizium fungi was higher in the soil compared to other fungi, and only Metarhizium and B. bassiana IBCB215 emerged from the phyllosphere of peanut plants. Although the fungus Cordyceps presented the worst performance among the fungal treatments. Overall, our results demonstrate the negative effects on the development of C. includens and S. cosmioides that were fed on fungal-inoculated peanut plants, the best results recorded were for Metarhizium strains and the fungus B. bassiana IBCB215.en
dc.description.affiliationFaculdade de Ciências Agrárias e Veterinárias - FCAV - Unesp
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipIdFinance Code 001
dc.description.versionPreprintpt
dc.identifier.doi10.3389/ffunb.2022.968528
dc.identifier.issn2673-6128
dc.identifier.lattes5366007658982809
dc.identifier.lattes2116842677432296
dc.identifier.lattes9440613721633623
dc.identifier.lattes0123603644642997
dc.identifier.lattes6061860270412742
dc.identifier.lattes9100748298129844
dc.identifier.lattes3902020936480943
dc.identifier.orcid0000-0002-9915-889X
dc.identifier.orcid0000-0002-1244-0316
dc.identifier.orcid0000-0001-9924-3755
dc.identifier.orcid0000-0001-6069-3177
dc.identifier.orcid0000-0001-6222-4534
dc.identifier.orcid0000-0002-1119-7748
dc.identifier.urihttp://hdl.handle.net/11449/238519
dc.language.isoeng
dc.publisherFrontiers
dc.relation.ispartofFrontiers in Fungal Biologyen
dc.rights.accessRightsAcesso aberto
dc.subjectBiological controlen
dc.subjectAmendoimpt
dc.subjectSpodopterapt
dc.subjectLepidopterapt
dc.titleNegative effects on development of Chrysodeixis includens and Spodoptera cosmioides fed by peanut plants inoculated with entomopathogenic fungien
dc.typeArtigo
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt
unesp.departmentBiologia - FCAVpt

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