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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(9): 2172-2178
DOI: https://doi.org/10.20546/ijcmas.2017.609.267


Chemically Induced Mutagenesis in Sesamum indicum
R. Kumar* and N. Shunmugavalli
Department of Plant Breeding and Genetics, Tamil Nadu Agricultural University, Agricultural College and Research Institute, Killikulam, Vallanad-628252, Tamil Nadu, India
*Corresponding author
Abstract:

The present investigation was carried out to study the extent of variability existed in the sesamum varieties namely TMV 4, TMV 7, VRI 2, Thilak and TNY Local after induction of mutation through chemical mutagens namely EMS. The results of M1 generation revealed that there was a shift in the mean for the characters Viz., Days to first flowering, Plant height, Number of branches per plant, Number of capsules per plant, Length of capsule, Number of seeds per capsule, Seed yield per plant, 1000-seed weight and Oil content towards positive /negative directions. In M2, chlorophyll mutants namely, albina, xantha, chlorine, viridis and few viable mutants like giant plant, bushy plant, unifolitat leaf, narrow leaf, crinkled leaf, short capsule, black seeded, sterile plant and pigmented mutants were recorded figures 1 and 2. A significant increase in number of plant height, number of capsule per plant, number of seed per capsule and seed yield per plant was noticed in M2 generation. The PCV and GCV showed significantly higher values in yield component characters such as number of capsule per plant, number of seed per capsule, Length of capsule and seed yield per plant in M2 generation. The yield attributing traits like number of capsule per plant, number of seed per capsule, Length of capsule and 1000-seed weight recorded high heritability coupled with high genetic advance as per cent of mean in M2 generation.


Keywords: Chemical mutagen, EMS, Induced mutagens.
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How to cite this article:

Kumar, R. and Shunmugavalli, N. 2017. Chemically Induced Mutagenesis in Sesamum indicum.Int.J.Curr.Microbiol.App.Sci. 6(9): 2172-2178. doi: https://doi.org/10.20546/ijcmas.2017.609.267