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

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

Dr Prof Avinash Challelwar

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Abiola T. Ajayi

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Akinlolu O. Ohunakin

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Oluwatoyin S. Osekita

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Opeyemi C. Oki

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Federal University of Technology

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.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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How to Cite This Article

Dr Prof Avinash Challelwar. 2014. \u201cInfluence of Colchicine Treatments on Character Expression and Yield Traits in Cowpea (Vigna Unguiculata L. Walp)\u201d. Global Journal of Science Frontier Research - C: Biological Science GJSFR-C Volume 14 (GJSFR Volume 14 Issue C5).

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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

genetic variability induced variation mutagenesis

Submission ReceivedOctober 22, 2014
Peer Review Double Blind
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Accepted November 21, 2014
Published December 3, 2014

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v1.2

Issue date

December 25, 2014

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Article Matrices

Total Score: 104

Country: Nigeria

Subject: Global Journal of Science Frontier Research - C: Biological Science

Authors: Abiola T. Ajayi, Akinlolu O. Ohunakin, Oluwatoyin S. Osekita, Opeyemi C. Oki (PhD/Dr. count: 0)

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