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Paper Information

Journal:   IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS   January-February 2017 , Volume 32 , Number 6 (80) ; Page(s) 1088 To 1098.
 
Paper: 

Evaluation of selection indices for improving grain yield in Cuminum cyminum L.

 
 
Author(s):  Ghasemi F., BAGHIZADEH A.*, MOHAMMADINEJAD GH., Kavoosi H.R.
 
* Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
 
Abstract: 
The selection indices is one of the most effective methods for improving complex traits such as yield. In the current study, 50 genotypes of cumin (Cuminum cyminum L. ) were evaluated to assess the efficiency of different selection indices. The experiment was conducted in a randomized complete block design whit three replications in the Research Farm of Shahid Bahonar University, Kerman, Iran in 2011-2012. The Smith-Hazel and Pesek-Baker indices were evaluated based on seven traits including plant height, number of branches, number of umbels/plant, number of umbelets/plant, number of seeds/plant, seed yield/plant and shoot weight (with and without seed). The results of response to selection and relative selection efficiency indicated that the genotypes with higher number of seeds and branches/plant and lower plant height had the highest yield potential. In the Smith-Hazel index, number of branches and umbelets/plant had the highest response to selection, while in the Pesek-Baker index, the number of umbels/plant had the highest response to selection. Our results indicated that the Smith-Hazel index had the most selection efficiency and could be used in cumin breeding programs.
 
Keyword(s): Response to selection,Smith-Hazel index,Pesek-Baker index,cumin (Cuminum cyminum L.)
 
References: 
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