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dc.contributor.author
Mesurado, María de Los Angeles
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Chalup, Adriana Elizabeth
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Ortiz, Javier Esteban
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Zaragoza Puchol, José Daniel
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Feresin, Gabriela Egly
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Bardon, Alicia del Valle
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Cartagena, Elena
dc.date.available
2021-11-30T18:55:49Z
dc.date.issued
2021-09
dc.identifier.citation
Mesurado, María de Los Angeles; Chalup, Adriana Elizabeth; Ortiz, Javier Esteban; Zaragoza Puchol, José Daniel; Feresin, Gabriela Egly; et al.; Activity of grindelanes against important maize pest Spodoptera frugiperda and their selectivity of action on non-target environmental bacteria; Wiley Blackwell Publishing, Inc; Entomologia Experimentalis et Applicata; 169; 9; 9-2021; 825-837
dc.identifier.issn
0013-8703
dc.identifier.uri
http://hdl.handle.net/11336/147763
dc.description.abstract
In the search for new plant-derived products with antifeedant and insecticidal potential against economically important insects, 11 grindelanes (two as natural acids and nine as methylated derivatives) purified from the foliar tissue of Grindelia chiloensis (Cornel.) Cabrera (Asteraceae) were evaluated against the fall armyworm, Spodoptera frugiperda (JE Smith) (Lepidoptera: Noctuidae). Larvae of this moth are considered to be the main pest of maize that causes severe losses on local agricultural production. Remarkable alterations in feeding behavior, larval weight, larval and pupal stage lengths, and adult fertility, as well as malformations and mortality in specimens during their life cycle were noticed in the feeding preference tests and no-choice diet assays. Antifeedant indexes (AI%) calculated in food preference bioassays reached up to 79% for the lipophilic grindelane 3b, the most potent antifeedant agent. Grindelane 7b showed a better insecticidal activity (median lethal dose, LD50 = 26.49 µg g−1) and 8b was potentially neurotoxic due to acetylcholinesterase inhibition. Ultrastructure of the middle portion of the digestive tract of larvae fed with small amounts of natural grindelane 9a supplemented to the diet revealed cell damage, and thickening of the peritrophic membrane and a striking number of mitochondria, as evident signs of defense against toxic substances ingested by the larvae. Besides, this study demonstrated that these effective insecticides did not have inhibitory effects on beneficial plant and soil bacteria which would allow ecological pest management.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ACETYLCHOLINESTERASE ACTIVITY
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ANTIFEEDANTS
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ASTERACEAE
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FALL ARMYWORM
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GRINDELIA CHILOENSIS
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INSECTICIDES
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LEPIDOPTERA
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MAIZE PEST
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NOCTUIDAE
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NON-TARGET ENVIRONMENTAL BACTERIA
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SPODOPTERA FRUGIPERDA
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SURFACE ACTIVITY
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Química Orgánica
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Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Activity of grindelanes against important maize pest Spodoptera frugiperda and their selectivity of action on non-target environmental bacteria
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-11-09T18:58:10Z
dc.identifier.eissn
1570-7458
dc.journal.volume
169
dc.journal.number
9
dc.journal.pagination
825-837
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Mesurado, María de Los Angeles. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Química Orgánica; Argentina
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Fil: Chalup, Adriana Elizabeth. Fundación Miguel Lillo. Dirección de Zoología. Instituto de Entomología; Argentina
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Fil: Ortiz, Javier Esteban. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina
dc.description.fil
Fil: Zaragoza Puchol, José Daniel. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina
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Fil: Feresin, Gabriela Egly. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina
dc.description.fil
Fil: Bardon, Alicia del Valle. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Química Orgánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Cartagena, Elena. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina. Universidad Nacional de Tucumán. Instituto de Biotecnología Farmacéutica y Alimentaria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Biotecnología Farmacéutica y Alimentaria; Argentina
dc.journal.title
Entomologia Experimentalis et Applicata
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/eea.13067
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/eea.13067
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