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Gamma radiation induced variations in corn marigold (Glebionis segetum) and their RAPD-based genetic relationship

Indian Agricultural Research Journals

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Title Gamma radiation induced variations in corn marigold (Glebionis segetum) and their RAPD-based genetic relationship
 
Creator KAPOOR, MANISH
KUMAR, PRABHAT
LAL, SHANT
 
Subject Gamma rays, Glebionis segetum, Irradiation, Mutation, Mutants, RAPD
 
Description The present investigation was conducted during the kharif season of 2010-2012 to study hormesis, morphological and biochemical attributes associated with mutation and purification of novel types in corn marigold. The seeds of Glebionis segetum were treated with gamma rays (Source 60Co) at the dose of 20, 40, 60, 80 and 100 Gy were sown in the field along with control (un-irradiated seeds). Low doses of gamma irradiation resulted in hormesis and induced encouraging novelties, while the higher doses induced higher degree of abnormalities which led to mortality. The M2 seeds were sown to observe their characters and mutants in each population. Five promising mutants, viz. S1-S3 at 20 Gy and S4-S5 at 40 Gy gamma irradiation treatments were tagged, screened and checked for stability of characters for genetic study and possible uses of the traits. RAPD molecular marker technique was used for the study of genetic divergence and establishment of distinctiveness or similarity between the mutants developed as a result of mutagenic treatment.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2014-07-09
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/41930
 
Source The Indian Journal of Agricultural Sciences; Vol 84, No 7 (2014)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/41930/18641
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences