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Banakar, Chetankumar N.
- Effectiveness and Efficiency of Gamma Rays in some Inbreds of Sunflower (Helianthus annuus L.)
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1 Department of Genetics and Plant Breeding, University of Agricultural Sciences, Raichur, Karnataka, IN
1 Department of Genetics and Plant Breeding, University of Agricultural Sciences, Raichur, Karnataka, IN
Source
Asian Journal of Bio Science, Vol 8, No 1 (2013), Pagination: 25-27Abstract
Mutagenic effectiveness and efficiency of gamma rays were studied in the four inbreds of sunflower. Gamma rays produced high frequency as well as a wide spectrum in mutation. The frequency of mutation was high at higher dose of mutagen. The mutagenic effectiveness and efficiency was calculated based on biological damage. In M1 generation based on seed lethality and pollen sterility and M2 generation was carefully screened for various chlorophyll and viable mutation. Mutagenic effectiveness and efficiency reduced with the increase in dose or concentration. In present investigation higher dose of 20kR was very effective and efficient in induction of mutation in all the genotypes studied except CMS- 104B where 15 kR dose was effective and efficient.Keywords
Gamma Rays, Effectiveness, Efficiency, Sunflower
References
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- Analysis of Genetic Variability for Yield and its Components in Sesame (Sesamum indicum L.)
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Authors
Affiliations
1 Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.K.V.K., Bengaluru, Karnataka, IN
2 Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Raichur, Karnataka, IN
1 Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.K.V.K., Bengaluru, Karnataka, IN
2 Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Raichur, Karnataka, IN