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2009 (Vol. 1, Issue: 1)
Article Information:

Induced Chlorophyll Mutations in Black Gram

Gaibriyal M Lal, Bini Toms and Sapna Smith
Corresponding Author:  Gaibriyal M. Lal, 

Key words:  Gamma rays, sodium azide, mutation, black gram, , ,
Vol. 1 , (1): Page No: 1-3
Submitted Accepted Published
Abstract:

An investigation entitled “Induced chlorophyll mutations in black gram” was conducted during kharif (rainy season) 2004 at the field experimentation centre of the Department of Genetics and Plant Breeding, Allahabad Agricultural Institute - Deemed University, Allahabad. Seeds of IPU-982 of Black gram were exposed to gamma rays and then treated with sodium azide to obtain the spectrum and frequency of chlorophyll mutations in M2 generation Combination treatment of gamma rays with sodium azide enhanced the frequency of chlorophyll mutations in M2 generation. The treatments of sodium azide were found to be more efficient than gamma rays in inducing chlorophyll mutations when applied singly. A progressive increase in mutation frequency of chlorophyll mutations w as observed with increasing doses. Six different types of chlorophyll mutants, namely, albino, xantha, dark xantha, chlorina, viridis and striata were induced. Out of these mutants, xantha and dark xantha were most frequent while striata was least frequent. The highest frequency of chlorophyll mutations (8.87) was reported in the combination of 60kR+0.03%SA. There was a dose dependent increase in the spectrum and frequency of chlorophyll mutations whether mutagens were employed singly or in combination.
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  Cite this Reference:
Gaibriyal M Lal, Bini Toms and Sapna Smith, 2009. Induced Chlorophyll Mutations in Black Gram.  Asian Journal of Agricultural Sciences, 1(1): Page No: 1-3.
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ISSN (Online):  2041-3890
ISSN (Print):   2041-3882
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