Influence of Colchicine Treatments on Character Expression and Yield Traits in Cowpea (Vigna Unguiculata L. Walp)

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Influence of Colchicine Treatments on Character Expression and Yield Traits in Cowpea (Vigna Unguiculata L. Walp)

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Abstract

Mutagenesis has been exploited to enhance genetic variability in cowpea (Vigna unquiculata L. Walp.); an important legume in the tropical and subtropical regions of the world. Mutation is regarded to be a shortcut breeding technique, which has produced new and high yielding varieties through heritable changes in genetic constitution of characters in some leguminous crops. Effects of 0.1% aqueous solution of colchicine for different periods of time, viz; -0, 2, 4 and 6 hours were tested on the quantitative and yield characters of a cowpea variety popularly known as ‘Oloyin’ in M1 generation. Lethal dose value (LD40) of 59% was observed at 2 hours treatment. Treatment was significant (P = 0.05) for seedling emergence percentage (67 -13%), plant height (21.52 -15.63 cm), number of leaves (11.08 -4.98), number of nodes on main stem (6.26 -4.5), survival percentage (63.50 -12.50%) and number of days to first flowering (55.52 -47.30) while treatment was not significant for all other characters studied.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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How to Cite This Article

Akinlolu O. OHUNAKIN, Abiola T. Ajayi, Opeyemi C. Oki. 2014. "Influence of Colchicine Treatments on Character Expression and Yield Traits in Cowpea (Vigna Unguiculata L. Walp)". Global Journal of Science Frontier Research - C: Biological Science GJSFR-C Volume 14 (GJSFR Volume 14 Issue C5).

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords
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GJSFR-C Classification FOR Code: 780105
Version of record

v1.2

Issue date
December 25, 2014

Language
English
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Influence of Colchicine Treatments on Character Expression and Yield Traits in Cowpea (Vigna Unguiculata L. Walp)

Akinlolu OHUNAKIN
Akinlolu OHUNAKIN Adekunle Ajasin University, PMB, 001, Akungba-Akoko, Nigeria.
Abiola Ajayi
Abiola Ajayi <p>Adekunle Ajasin University, PMB, 001, Akungba-Akoko, Nigeria.</p>
Opeyemi Oki
Opeyemi Oki <p>Adekunle Ajasin University, PMB, 001, Akungba-Akoko, Nigeria.</p>