Cowpea Diversity Tree

The Cowpea Diversity Tree is a representation of the overall structure of crop diversity obtained by dividing the diversity within a crop genepool in a hierarchical manner. The structure of the tree is based on published information and consultation with experts.

 Credits for contributing to the development of the Cowpea Diversity Trees (in alphabetical order)

Literature consulted

Ba, Fana Sylla, Remy S. Pasquet, and Paul Gepts. “Genetic diversity in cowpea [Vigna unguiculata (L.) Walp.] as revealed by RAPD markers.” Genetic Resources and Crop Evolution 51.5 (2004): 539-550.

Carvalho, Márcia, et al. “Genetic diversity and structure of Iberian Peninsula cowpeas compared to world-wide cowpea accessions using high density SNP markers.” BMC genomics 18.1 (2017): 891.

Chen, Honglin, et al. “Genetic diversity and a population structure analysis of accessions in the Chinese cowpea [Vigna unguiculata (L.) Walp.] germplasm collection.” The Crop Journal 5.5 (2017): 363-372.

Fatokun, Christian, et al. “Genetic diversity and population structure of a mini-core subset from the world cowpea (Vigna unguiculata (L.) Walp.) germplasm collection.” Scientific reports8.1 (2018): 16035.

Huynh, Bao-Lam, et al. “Gene pools and the genetic architecture of domesticated cowpea.” The plant Genome 6.3 (2013).

Maxted, N., et al. Systematic and ecogeographic studies on crop genepools 11: An ecogeographic study: African Vigna. (2004).

Mahalakshmi, V., et al. “Cowpea [Vigna unguiculata (L.) Walp.] core collection defined by geographical, agronomical and botanical descriptors.” Plant Genetic Resources 5.3 (2007): 113-119.

Moray, Camile, E. T. Game, and N. Maxted. “Prioritising in situ conservation of crop resources: a case study of African cowpea (Vigna unguiculata).” Scientific Reports 4 (2014): 5247.

Pasquet, Rémy Stéphane. “Morphological study of cultivated cowpea Vigna unguiculata (L.) Walp. Importance of ovule number and definition of cv gr Melanophthalmus.” (1998).

Pasquet, R. S. “Allozyme diversity of cultivated cowpea Vigna unguiculata (L.) Walp.” Theoretical and Applied Genetics 101.1-2 (2000): 211-219.

Pasquet, Rémy and Padulosi, Stefano. “Genus Vigna and cowpea (V. unguiculata [L.] Walp.) taxonomy: current status and prospects.” Proceedings of the Fifth World Cowpea Conference (2012).

The Global Crop Diversity Trust. “Global Strategy for the conservation of cowpea (Vigna unguiculata subsp. unguiculata)” (2010).

Xiong, Haizheng, et al. “Genetic diversity and population structure of cowpea (Vigna unguiculata L. Walp).” PLoS One11.8 (2016): e0160941.

The Genebanks

The 11 CGIAR genebanks currently conserve 730,000 of cereals and grain legumes, forage crops, tree species, root and tuber crops, bananas and crop wild relatives.