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Abstract
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Article Information:
Mutagenic Sensitivity in Early Generation in Black Gram
Gaibriyal M Lal, Bini Toms and Sapna Smith Lal
Corresponding Author: Gaibriyal M. Lal,
Submitted: 2009 June, 02
Accepted:
Published: |
Abstract:
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The investigation conducted with the aim of artificial induction of mutation by gamma rays to
overcome the limitation of variability in black gram and induces specific improvement without disturbing their
better attributes. The study entitled “Mutagenic sensitivity in early generation in black gram” was conducted
during kharif 2003 to at the field experimentation centre of the Department of Genetics and Plant Breeding.
Seeds of IPU-982 of urdbean were exposed to gamma rays and then treated with sodium azide to determine
their mutagenic sensitivity in terms of germination, plant survival, seedling height and pollen sterility. The
treatments with gamma rays and SA alone or in combination were more or less injurious. The combination
treatments of gamma rays and sodium azide had depressive effect on seedling growth observed at 8th and 12th
days. The higher doses/concentrations of gamma rays and sodium azide applied singly or in combination
severely reduced the germination, seedling height, plant survival and pollen fertility. The combination
treatments of the two mutagens produced more physiological damage as compared to the single treatments of
mutagens.
Key words: Mutation, black gram, sodium azide, gamma rays, , ,
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Cite this Reference:
Gaibriyal M Lal, Bini Toms and Sapna Smith Lal, . Mutagenic Sensitivity in Early Generation in Black Gram. Asian Journal of Agricultural Sciences, (1): Page No: 9-11.
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ISSN (Online): 2041-3890
ISSN (Print): 2041-3882 |
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