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Asian Journal of Agricultural Research
  Year: 2015 | Volume: 9 | Issue: 6 | Page No.: 325-333
DOI: 10.3923/ajar.2015.325.333
 
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Assessment of Genetic Diversity of Rapeseed Mutants in Diverse Environments

Rehenuma Tabassum, Md. Abdul Malek and Fakhrul Islam Monshi

Abstract:
Seven mutants of rapeseed (RM-01-05, RM-02-05, RM-03-05 RM-04-05, RM-05-05, RM-10-05 and RM-11-05) along with mother variety Binasarisha-4 were evaluated in four different locations to evaluate their performances regarding seed yield and yield contributing characters and to select promising mutants having high seed yield with short maturity period. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Results showed significant variation among the mutant lines and check variety for most of the characters in four different locations. Combined means that all mutants matured earlier and most of the mutants produced higher number of branches per plant compared to mother variety. Combined means over locations showed that three mutants namely RM-01-05, RM-04-05 and RM-10-05 produced the seed yield of 1957, 1910 and 1837 kg ha–1, respectively which were significantly higher than the mother variety. These three mutants also produced higher number of siliquae per plant, seeds per siliqua and 1000-seed weight than the other mutants and mother variety and may used for further study for achieving a rapeseed variety for the Bangladeshi farmers. In location wise performance of all the characters, Magura showed the best followed by Ishurdi than the other two locations, may be due to the environmental and soil characteristics of a particular location. Therefore, present research suggests that gamma rays irradiation can be fruitfully applied to develop mutants with higher seed yield and other improved agronomic traits in Oleiferous brassica.
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How to cite this article:

Rehenuma Tabassum, Md. Abdul Malek and Fakhrul Islam Monshi, 2015. Assessment of Genetic Diversity of Rapeseed Mutants in Diverse Environments. Asian Journal of Agricultural Research, 9: 325-333.

DOI: 10.3923/ajar.2015.325.333

URL: https://scialert.net/abstract/?doi=ajar.2015.325.333

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