15Oct 2019

INSECT DIVERSITY OF COCOA (THEOBROMA CACAO L.) BEANS STOCKS FROM HAUTSASSANDRA REGION AND THEIR IMPACTS (DALOA, COTE DIVOIRE).

  • Laboratory for Improvement of Agricultural Production, University Jean LorougnonGuede of Daloa, UFR Agroforestery, BP 150 Daloa, Cote d Ivoire.
  • Laboratory of Entomology, National Centre of Research and Agronomy (CNRA), 01 BP 808 Divo 01, Cote d Ivoire.
  • Laboratory of Zoology and Animal Biology, University Felix Houphouet Boigny of Cocody,UFR Biosciences, 22 BP 582 Abidjan 22, Cote d Ivoire.
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Cocoa storage is a potential opportunity for insect infestation. The objective of this study was to identify insects and assess their damage to stored cocoa beans from the Haut-Sassandra region. To do this, 3 samples of 3 Kg of cocoa beans were collected per locality. These samples were stored for 30 days in jute bags. After this month of storage, each sample was sieved every 15 days in a muslin observation cage for 120 days. The living or dead adults collected in each lot were observed with a binocular magnifying glass, counted and identified using manuals. The livings are returned to the batches from which they were removed. For the estimation of the damage, three samples of 1 kg cocoa beans without holes were made and followed for 120 days. Counting after sieving revealed the presence of 876 individuals divided into 2 orders, 10 families and 12 species. The most abundant species was Ahasverusadvena (24.89%) followed by Triboliumcastaneum with 18.38% presence. The estimated damage caused by insects to cocoa beans was 26.88% at the 120th day of storage.

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[Tano Dje Kevin Christian, Tayoro Nguessan Julien, Tah Gueu Tatiana-Therese, Kouame NDri Norbert, Soro Senan and Aboua Louis Roi Nondenot. (2019); INSECT DIVERSITY OF COCOA (THEOBROMA CACAO L.) BEANS STOCKS FROM HAUTSASSANDRA REGION AND THEIR IMPACTS (DALOA, COTE DIVOIRE). Int. J. of Adv. Res. 7 (Oct). 393-401] (ISSN 2320-5407). www.journalijar.com

Tano Dje Kevin Christian
Laboratory for Improvement of Agricultural Production, University Jean Lorougnon Guédé of Daloa, UFR Agroforestery, BP 150 Daloa, Cote d Ivoire

DOI:

Article DOI: 10.21474/IJAR01/9842      
DOI URL: https://dx.doi.org/10.21474/IJAR01/9842

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