DOI: 10.31220/agriRxiv.2021.00102

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  Abstract: Abstract Vigna unguiculata , also known as a 'cowpea,' is a crop of numerous varieties. In Benin City, Nigeria, three common varieties include "Ife Brown", "Ekpoma Local", and "Sokoto White". Being a very common delicacy and perhaps a very cheap source of protein for the populous, it is sold in nearly all available open markets. The crop is mainly consigned from the numerous farms in the northern part of the country and thus vary amenable to genetic diversity. This study was undertaken to investigate whether there were any major differences within and between these varieties when sourced from different locations in selected markets in Benin City. The seeds were obtained from major open store markets in and around Benin City, Edo State, and were morphologically characterized quantitatively and qualitatively using standard descriptors. Seed length, width, thickness, weight, and volume were among the quantitative parameters, while the qualitative parameters included seed brilliance, shape, eye colour, eye pattern, splitting of testa, testa texture, basal colour, pattern of variegation, colour of variegation, and basal colour of variegated seeds. There were no variations in the qualitative parameters among the seeds of "Ekpoma Local" and "Sokoto White" varieties; however those of the "Ife Brown" variety were significant variable in seed colour. Significant variations existed in the seed quantitative parameters. Among seed parameters measured, seed volume was more diverse, with a coefficient of variation of 13.15 - 14.14, when compared with coefficients of variation for other quantitative parameters measured. In terms of seed volume therefore, the "Sokoto White" variety appeared to be more diverse than "Ekpoma Local" and then "Ife Brown" in that order. In terms of overall variation, group mean sum of squares for the "Ife Brown" variety was 146.95, compared to 26.18 and 31.23 for "Ekpoma Local" and "Sokoto White" respectively, indicating that the "Ife Brown" variety was the most likely variable species among the three in the Markets of Benin City.

  Key words: benin city; brown; ife; ekpoma; local; variet

  Submit time: 1 January 2021

  Copyright: The copyright holder for this preprint is the author/funder, who has granted agriXiv a license to display the preprint in perpetuity.
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