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South Asian Journa of Experimental Biology. Capacity of biodemographic developpment of Tribolium castaneum Herbst (Coleoptera, Tenebrionidae) and Sitophilus zeamais Motschulsky (Coleoptera, Curculionidae) in stored cereals in Senegal [texte imprimé] / A .C. Guéye, Auteur ; Toffene Diome, Auteur ; Cheikh Thiaw, Auteur ; Assane Ndong, Auteur ; A Gueye Ndiaye, Auteur ; Mbacké Sembène, Auteur . - (SN) : ISRA/CERAAS, 2012 . - 10p. : Vol. 2,. ISSN : 2230-9799 Langues : Anglais ( eng)
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South Asian Journal of Experimental Biology, Vol. 2, Issue 3. Capacity of biodemographic developpment of Tribolium castaneum Herbst (Coleoptera, Tenebrionidae) and Sitophilus zeamais Motschulsky (Coleoptera, Curculionidae) in stored cereals in Senegal A. C. Guèye1, 3*, T. Diome1, 3, C. Thiaw2, A. Ndong1, 3, A. Ndiaye Gueye1, M. Sembène1, 3 [texte imprimé] / Gueye A. C., Auteur ; Toffene Diome, Auteur ; Cheikh Thiaw, Auteur . - REGULAR ARTICLE . - 2012 . - pp. 108-117 : tabl., graph., fig. http://www.sajeb.org Langues : Anglais ( eng) Catégories : | PROTECTION DES PRODUITS ENTREPOSES
| Mots-clés : | Sécurité Alimentaire, Sitophilus
Maïs, Tribolium castaneum, Céréale, Perte, Stockage | Index. décimale : | H800 | Résumé : | To contribute to food security and reduce poverty among Senegaleses’populations
through a strategy of integrated management of insect pests of cereal
crops, experiments were conducted on corn and millet (in the grain form
and flour form) to track development of T. castaneum and S. zeamais after
infestations controlled. The mean duration of development of S. zeamais
was 35.33 days in the kernels of corn. Its development was more favorable in
corn stored in the form of grain but the grain was more resistant to Sitophilus
after processing into flour. Millet was found to be more protected against
attacks by S. zeamais. The average duration of development of T. castaneum
was shorter in the grains of millet than in corn. The transformation of these
grains into flour influenced the development of T. castaneum which was
accelerated in the corn flour and slowed in the millet. The nature of the food
affected the weight of T. castaneum when several grains were made available |
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South Asian Journal of Experimental Biology, Vol. 4, Issue 5. Determination of impact of Azadirachta indica L. leaves on adults and eggs of Callosobruchus maculatus Fabricius, the largest predator of stored cowpea (Vigna unguiculata Walp) by an applicable method by farmers [texte imprimé] / Faye, Ablaye, Auteur ; Samb, Abdoulaye, Auteur ; Cheikh Thiaw, Auteur . - REGULAR ARTICLE . - 2014 . - pp. 215-221 : tabl., graph. http://www.sajeb.org Langues : Anglais ( eng) Catégories : | PROTECTION DES PLANTES ET DES PRODUITS ENTREPOSES
| Mots-clés : | C. maculatus, oeufs, adultes, Azadirachra indica, Feuilles, Vigna Unguiculata | Index. décimale : | H800-PROTECTION DES PRODUITS ENTREPOSES | Résumé : | The effect of neem leaves has been tested in the laboratory on eggs and adults of cowpea weevil (C. maculatus). Different formulations of this plant were applied to these forms of C. maculatus Fab. Grinding fresh contact sheets induced significant lethal effects from 96.12% to 100% on eggs; whereas 100% of mortality was recorded at the end of eight days of applica-tion to three adults with higher doses. Fumigation on turn proved less effec-tive than contact on eggs. It induced a maximal effect of 95.73% mortality with the larger dose (D4: 0.02912g/cm3). On adults, we recorded highest mortality (100%) from the 7th day of the show with the highest dose. The aqueous extract of neem leaf powder was less effective than all other formu-lations on the eggs as well as adults of this insect; with a higher mortality rate (74.99%) observed on the eggs with the application of the concentration C2. On adults we recorded a maximum effect (100% mortality) from the 13th day of the application with the highest concentration (C1). These mortalities would be related to the support of several active molecules contained in neem as established in literature. |
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