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/ Toffene Diome
Journal of Cell and Animal Biology, Vol. 6(13),. Haplotype diversity of Tribolium castaneum H. (Coleotera, Tenebrionidae) pest of stored millet in Senegal [texte imprimé] / Toffene Diome, Auteur ; Cheikh Thiaw, Auteur ; Assane Ndong, Auteur . - Full Length Research Paper . - [S.l.] : Academic Journals, 2012 . - pp. 192-199 : tabl., graph., fig. ISSN : ISSN 1996-0867 DOI: 10.5897/JCAB12.037 Langues : Anglais ( eng) Catégories : | PROTECTION DES PRODUITS ENTREPOSES
| Mots-clés : | Tribolium castaneum, zone Agroécologique, Haplotype, Diversité Génétique. | Index. décimale : | H800-DIO | Résumé : | In Senegal, millet occupies the most important place among the cereal crops. This cereal stocks are attacked by the Coleoptera, usch as Tribolium castaneum. This beetle attacks grains and causes significant losses on stocks of beaten millet in the Sahelian zone. The objective of this study is to genetically characterize the populations of T. castaneum encountered in different agroecological zones to identify the different haplotypes circulating in Senegal. The results showed that there are at least 12 haplotypes of T. castaneum in Senegal. High haplotype diversity in the northern groundnut basin and high nucleotide diversity in the south of the groundnut basin were also noted. The cereal in the market of Sandiara was the cause of the wealth of haplotype and nucleotide diversity in the north of the groundnut basin. The high haplotype diversity and the low nucleotide diversity in the basin centered in eastern Senegal, high Casamance may be the result of rapid population growth from an ancestral population at low numbers. There was no significant genetic differentiation between agroecological zones. The strong genetic differentiation of some individuals with multiple mutations not in the haplotype network was due to a structure based on the host plant. |
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