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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Development of a West African yam Dioscorea spp. core collection
Genetic Resources and Crop Evolution, Volume 54, No. 8, Year 2007
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Description
Yams (Dioscorea spp.) are important crops in some West African locations. The West African yam collections held at the IITA were characterized using the standard descriptor list for this crop (IPGRI/IITA. 1997. Descriptors for yam (Dioscorea spp.). International Institute of Tropical Agriculture, Ibadan, Nigeria/International Plant Genetic Resources Institute, Rome, Italy) to assess the extent of diversity and develop a core collection employing 77 out of 86 descriptors and the Shannon-Weaver diversity index. The core collection consists of 391 accessions (13% of entire collection). It represents all the six cultivated and two wild Dioscorea taxa. The appropriateness of the procedure was confirmed by comparing the mean and diversity distributions of 11 (out of 13) quantitative traits. This article explains the relevance of this core collection of yams for West Africa yam cropping and improvement. © 2007 Springer Science+Business Media, Inc.
Authors & Co-Authors
Mahalakshmi, Vishwanathan M.
Nigeria, Ibadan
International Institute of Tropical Agriculture
Ng, Quat N.
Nigeria, Ibadan
International Institute of Tropical Agriculture
Thailand, Bangkok
Food and Agriculture Organization Fao
Atalobhor, J.
Nigeria, Ibadan
International Institute of Tropical Agriculture
Ogunsola, D.
Nigeria, Ibadan
International Institute of Tropical Agriculture
Lawson, M.
Nigeria, Ibadan
International Institute of Tropical Agriculture
Ortiz, Rodomiro Octavio
Mexico, Texcoco
Centro Internacional de Mejoramiento de Maiz y Trigo
Statistics
Citations: 16
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1007/s10722-006-9203-4
ISSN:
09259864
Research Areas
Genetics And Genomics
Study Approach
Quantitative
Study Locations
Multi-countries
Nigeria