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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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