Diversity of Arbuscular mycorrhizal fungi associated to Acacia seyal (Delile) in semi-arid zone of Senegal

Anicet Manga, Yolande Dalpé, Abdoulaye Soumaré, Tahir A. Diop

Section Productions Végétales et Agronomie, UFR des Sciences Agronomiques, de l’Aquaculture et des Technologies Alimentaires, Université Gaston Berger, BP 234, Saint Louis, Sénégal.  

Agriculture et agroalimentaire Canada, Centre de recherche et développement d’Ottawa 960 Carling Ave, Ottawa, ON KIA 0C6, Canada

Laboratoire Commun de Microbiologie (LCM) IRD/ISRA/UCAD, Centre de Recherche de Bel Air, Dakar, Sénégal 

Laboratoire de Biotechnologies des Champignons, Département de Biologie Végétale, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, Dakar, Sénégal.

Accepted 08 November 2017

Citation: Manga A, Dalpé Y, Soumaré A, Diop TA (2017). Diversity of Arbuscular mycorrhizal fungi associated to Acacia seyal (Delile) in semi-arid zone of Senegal. World Journal of Microbiology, 3(2): 120-127.

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Copyright: © 2017 Manga et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Abstract

Acacia seyal (Del.) is a multi-purpose leguminous tree growing in diverse habitats including saline areas and plays an important ecological role in semi-arid ecosystem in Senegal.  In spite of that, the diversity of the arbuscular mycorrhizal fungi associated with this tree remains little known. In order to remediate to this lack of knowledge, studies were conducted at three locations characterized by differences in salt content to assess the arbuscular mycorrhizal fungi diversity. Rhizospheric soil samples and roots taken from adult A. seyal tree on each site were used to trap fungal cultures and isolated spores. This resulted in a morphological identification of the spores after five months of trap culture in greenhouse. A total of eight species of fungi were isolated, reflecting the low diversity of the species of arbuscular fungi associated with A. seyal. The isolated species belong to the family Glomeraceae, Claroideo glomeraceae  and Acaulosporaceae and may represent the main species of arbuscular mycorrhizal fungi associated to the growth and development of A. seyal in a semi-arid environment.

Keywords: Morphological diversity, Glomeromycetes, Soil salinity