International Journal of Advanced Biological and Biomedical Research

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37
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Effect of Gamma Irradiation on Morphological Traits of Three Varieties of Sesame Crop in M1 Generation (Sesamum Indicum L.)

Document Type : Original Article

Authors

Zahra Ghanei 1
Seyed Kamal Kazemitabar 2
Hamid Najafi Zarini 2

1 M.Sc. Student in Plant Breeding, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

2 Department of Biotechnology and Plant Breeding, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

Abstract
The main objective for plant breeding is to increase genetic diversity. Mutation induction is a method to increase genetic diversity associated with selection, recombination, or a combination of these approaches in plant breeding. The present research was aimed to compare efficacy of different doses of Gamma rays (150, 200, 250, 300 and 350 Gy and zero dose control) on the sesame morphological traits. Results of cluster analysis of single branch Naz variety to M1 showed that mutations were classified into 8 groups of genotypic and single branch Naz variety exhibited more variation as a result of mutation. The maximum scatter in the measure traits is related to yield per plant, number of capsules and capsule length with coefficients of variation of the 55.29, 47.64 and 39.61 respectively. Thus, these study can introduce a new source of germplasm in breeding programs to classical methods to be evaluated and exploited subsequent generations

Keywords

Sesame
Mutation
morphological characteristics
cluster analysis
gamma ray
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International Journal of Advanced Biological and Biomedical Research
Volume 1, Issue 12 - Serial Number 12
November and December 2013
Pages 1679-1685

  • Receive Date 19 August 2014

Article View 22,868
PDF Download 10,413

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