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Scholarly Journal of Agricultural Science Vol. 4(4), pp. 240-243 April, 2014
Available online at http://
www.scholarly-journals.com/SJAS
ISSN 2276-7118 © 2014 Scholarly-Journals



Gamma Radiation Induced Mutations in Mungbean (Vigna radiata (L.)Wilze)

Sushil Kumar

Department of Plant Breeding and Genetics, R.B.S.College, Bichpuri, Agra-283105. E-mail-sushil_svbp@rediffmail.com .


Abstract :

 

Seeds of mungbean varieties K-851, MM- 6468-1, their F1 and F2 were treated with gamma rays at the dose of 500 Gy. The M1 seeds were sown in the field with the controls (non-irradiated seeds) and bulk-harvested. The M2 seeds were sown to observe their characters and number of mutants in each population. Among over 430,000 plants observed, irradiated F1 population gave the highest frequency of mutants at 0.168%, followed by F2, MM- 6468-1, and K-851 at 0.165%, 0.152%, and 0.142%, respectively. Mutant characters were grouped as chlorophyll, leaf, flower, and pod mutants. Chlorophyll Mutations included albino, coppery leaf, light-green leaf, variegated leaf, waxy leaf, white streak leaf, and xantha leaf. Leaf mutations were lanceolate leaf, narrow-rugo The Experiment was conducted in kharif season of at agriculture Research farm of R.B.S. College, Bichpuri, Agra. se leaf, multiple leaflet, round-cuneate leaf, unifoliate leaf, and wrinkled leaf. The flower mutant was cock’s comb raceme while the pod mutant was a lobed one. All mutants were purified for genetic study and possible uses of the traits.

 

Key words: Vigna radiata, mungbean, gamma rays, mutants.

[Full Article - PDF]

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