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  • Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromáticas. BLACPMA.
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  • Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromáticas. BLACPMA.
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Biocidal effect of a hexane-soluble extract of Lippia graveolens Kunth (Verbenaceae)

Author
Guevara, Patricia

Reyna-Segura, Jorge

Zuñiga-Ruiz, Beatriz

Llanos Romero, Enrique

Andrés Yeves, María F.

Barajas Guzmán, María G.

Echeverri, Fernando

León Rivera, Ismael

Full text
http://www.revistas.usach.cl/ojs/index.php/blacpma/article/view/3504
Abstract
Lippia graveolens Kunth (Verbenaceae) is an economically important shrub known in Mexico as Oregano. In this work, the biocidal effect of the hexane extract of L. graveolens leaves was evaluated on two crop pests. Thus, larvae of Spodoptera frugiperda were fed with mixtures of extract and artificial diet. The nematicidal activity was evaluated on juveniles of Meloydogine javanica. Regarding S. frugiperda, quantitative differences between treatments and control were observed in dead pupae, surviving adults, and deformed adults (P < 0.05). All the surviving adults from the extract treatments were deformed. Nematicidal effect was registered, the LC50 and LC90 were 0.672 (0.654-0.690) and 0.965 (0.937-0.998) mg/mL respectively. The extract was characterized by NMR and GC-MS, being thymol the most abundant component (70.6%) in addition to carvacrol (22.8%). The results suggest the consideration of the hexane extract of L. graveolensleaves within the alternatives for the biological control of pests.
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Discipline
Artes, Arquitectura y UrbanismoCiencias Agrarias, Forestales y VeterinariasCiencias Exactas y NaturalesCiencias SocialesDerechoEconomía y AdministraciónFilosofía y HumanidadesIngenieríaMedicinaMultidisciplinarias
Institutions
Universidad de ChileUniversidad Católica de ChileUniversidad de Santiago de ChileUniversidad de ConcepciónUniversidad Austral de ChileUniversidad Católica de ValparaísoUniversidad del Bio BioUniversidad de ValparaísoUniversidad Católica del Nortemore

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