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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(3): 1334-1343
DOI: https://doi.org/10.20546/ijcmas.2019.803.158


Study on Radio Sensitivity of Gamma Rays on Different Genotypes of Sesame (Sesamum indicum)
Madhuri Pradhan1* and Amitava Paul2
1Department of Plant Breeding and Genetics, College of Agriculture, OUAT, Bhubaneswar, India
2Department of Genetics and Plant Breeding, Institute of Agriculture, Visva-Bharati, Sriniketan, West Bengal, India
*Corresponding author
Abstract:

In the present investigation dry and homogeneous seeds of two varieties of sesame were irradiated with different doses of gamma rays viz. 250, 300, 350 and 400 Gy. The effect of mutagenesis or radio sensitivity of gamma rays on different biological parameters like germination (%), pollen fertility (%), shoot length, root length, plant survival are being studied in M1 generation. It has been found that germination (%) and plant survival (%) and shoot length decreased progressively with increasing doses of gamma rays, whereas in case of pollen fertility (%), shoot length, root length, there was gradual decrease with increase in doses in both the varieties of sesame. In the cases of biological parameters, where doses higher than 400 Gy were required to obtain 50% reduction, ID30, ID25, ID15(Inhibitory dose) were calculated. It was clear that for germination (%) and plant survival, Tillotoma was more radiosensitive than Rama, whereas for pollen fertility (%), shoot length, root length, plant survival, the cultivar Rama was more radiosensitive than Tillotoma.


Keywords: Sesame, Gamma rays, Radio sensitivity, Biological parameters, Inhibitory dose
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How to cite this article:

Madhuri Pradhan and Amitava Paul. 2019. Study on Radio Sensitivity of Gamma Rays on Different Genotypes of Sesame (Sesamum indicum).Int.J.Curr.Microbiol.App.Sci. 8(3): 1334-1343. doi: https://doi.org/10.20546/ijcmas.2019.803.158