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Genetic control of a branching peduncle mutant of cow pea, Vigna unguiculata (L.) Walp.

Published online by Cambridge University Press:  27 March 2009

Iyiola Fawole  and
N. O. Afolabi
Iyiola Fawole
Affiliation:
University of Ife, Institute of Agricultural Research and Training, P.M.B. 5029, Ibadan, Nigeria
N. O. Afolabi
Affiliation:
University of Ife, Institute of Agricultural Research and Training, P.M.B. 5029, Ibadan, Nigeria
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Summary

A branching peduncle individual was observed in a population of cow pea Vigna unguiculata (L.) Walp. cv. Ife Brown. Normal plants have unbranched peduncles with flowers arranged in alternate pairs at distal ends of the peduncles. However, the mutant plant has branched peduncles with flowers arranged in pairs alternately along the branches as well as at the ends of the branches. The branches arise in the axils of stipulate trifoliate leaves which develop on the peduncles. The normal plant has between one and four pods per peduncle, whereas the mutant is capable of carrying between two and ten pods per peduncle. The branching trait is under genetic control, involving a single gene with the normal peduncle completely dominant over the mutant. Evidence for the genetic control and its possible usage is discussed. Data on some agronomic properties of the mutant are also presented.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 100 , Issue 2 , April 1983 , pp. 473 - 475
Copyright
Copyright © Cambridge University Press 1983

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References

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