Eddaya, T. and Boughdad, A. and Sibille, E. and Chaimbault, P. and Zaid, A. and Amechrouq, A. (2013) Biological activity of Sapindus mukorossi Gaerten (Sapindaceae) aqueous extract against Thysanoplusia orichalcea (Lepidoptera: Noctuidae). Industrial Crops and Products, 50. pp. 325-332.

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Spearmint is one of the crops especially threatened by Thysanoplusia orichalcea. For controlling pests, producers use synthetic insecticides exposing consumers to intoxication risks. To seek for alternative products to synthetic insecticides, aqueous extracts from Sapindus mukorossi pericarp were tested against T. orichalcea larvae.The dry extract represented 48.5 of the dry weight of S. mukorossi pericarp and it contains 75.3 of saponins. The chemical composition in saponin was checked by mass spectrometry.Aqueous solutions containing this extract at four different concentrations were applied topically on eggs or ingested by larvae of T. orichalcea to evaluate mortality, leaf consummation, development duration and weight of larvae of the insect.Topical application of pericarp aqueous extract of S. mukorossi fruit had no effects on eggs or larvae of T. orichalcea. By ingestion, the tested extract significantly affected survivals, consummation, growth and development of larvae. In regards to control, the larval consummation was reduced between 40 and 100, according to concentration, exposure duration and stage used. The extract delayed larval development by 1 to 2 days. The larval weights were reduced by 7 to 68.The use of aqueous extract of pericarp fruit of S. mukorossi is discussed in terms of integrated pest management program concerning T. orichalcea on spearmint crop. © 2013 Elsevier B.V.

Item Type: Article
Uncontrolled Keywords: Integrated Pest Management; Mentha spicata; Pericarp; Sapindus mukorossi; Saponins; Thysanoplusia oricharcea, Bioactivity; Crops; Fruits; Insecticides; Metabolites, Pest control, aqueous solution; bioactivity; biopesticide; chemical composition; crop pest; deciduous tree; growth response; integrated pest management; larval development; moth; plant extract; secondary metabolite; survival
Subjects: Agricultural and Biological Sciences
Divisions: SCIENTIFIC PRODUCTION > Agricultural and Biological Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:44
URI: http://eprints.umi.ac.ma/id/eprint/1368

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