Identification of geographical gaps in the pearl millet germplasm conserved at ICRISAT genebank from West and Central Africa

Upadhyaya, H D and Reddy, K N and Irshad Ahmed, M and Gowda, C L L and Haussmann, B I G (2010) Identification of geographical gaps in the pearl millet germplasm conserved at ICRISAT genebank from West and Central Africa. Plant Genetic Resources (TSI), 8 (1). pp. 45-51. ISSN 1479-2621

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The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) genebank in India holds the world's largest collection of 21,594 pearl millet germplasm accessions including 18,447 landraces from 50 countries. West and Central Africa (WCA) region, which is considered as the centre of diversity for pearl millet, is also an important pearl millet germplasm source for resistance to biotic and abiotic stresses. A total of 7372 landraces were assembled from WCA countries. Out of which, 6434 landraces have the georeference data. The geographic origins of these landraces were analyzed using geographic information system tools to identify gaps in the collection. Geographical distribution of existing collections, type of vegetation, land cover and the high probability (>70%) for the occurrence of pearl millet estimated using the FloraMap software in different countries show that 62 districts in 13 provinces of Nigeria, 50 districts in 16 provinces of Burkina Faso, 9 districts in 6 provinces each of Mali and Mauritania, 8 districts in 8 provinces of Chad and 7 districts in 3 provinces of Ghana as the major geographical gaps in the pearl millet collection at the ICRISAT genebank. In view of this, we suggest that the final areas for exploration in these districts should be decided prior to the launch of the collection missions in consultation with local government officials and extension officers, who have the knowledge of pearl millet cultivation in the districts identified.

Item Type: Article
Uncontrolled Keywords: diversity; exploration; geographical gap; genetic resources; gene bank; ICRISAT gene bank; Pearl Millet; germplasm; West Africa; Central Africa
Subjects: Mandate crops > Millets > Pearl Millet
Others > Germplasm
Others > West Africa
Others > Central Africa
Others > Gene Bank
Depositing User: Mr Ramesh K
Date Deposited: 12 Apr 2018 07:56
Last Modified: 28 Jun 2018 05:54
Official URL:
Acknowledgement: Authors sincerely acknowledge the contribution of all former and present staff of Genetic Resources Unit (GRU), ICRISAT, in collection, assembly and conservation of pearl millet genetic resources. The help of Mr D. Bapa Rao, Senior Research Technician, GRU in processing and documentation of the data for this study is highly appreciated.
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