Volume 10, Issue 25 (6-2018)                   jcb 2018, 10(25): 63-72 | Back to browse issues page

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Ramzi E, Asghari A, Khomari S, Mohammaddoust e Chamanabad H. Investigation of Durum wheat (Triticum turgidum L. subsp. durum Desf) Lines for Tolerance to Aluminum Stress Condition. jcb. 2018; 10 (25) :63-72
URL: http://jcb.sanru.ac.ir/article-1-551-en.html
Associate Professor University of Mohaghegh Ardabili
Abstract:   (56 Views)
Aluminum is one of the most abundant elements in soil that become soluble form as Al+3 in high acidic soils, absorbed through the roots and affect on plants growth. Evaluating plant tolerance to environmental stresses in seedling stage is an important factor for selecting plant to cultivate in different conditions. In order to evaluate tolerance of 83 durum wheat advanced line at aluminum toxicity conditions in seedling stage, a factorial experiment based on Completely Randomized Design with two replications was performed. Stress levels were control and 2.5 mM Al3+ and studied traits were number of roots, root and shoot fresh weight, root and shoot length, root and shoot dry weight and root and shoot ratio. Results showed that stress levels had significant effects on all studied traits. Also, between durum wheat lines had significant difference and interaction of lines and stress levels were significant for all studied traits. The lines were evaluated using SIIG index. The 35, 58, 72, 75, 76, 77, 82 and 83 lines with higher SIIG index were tolerant to aluminum stress and the 11, 16, 21, 25, 26, 65, 66, 68 and 73 lines with lower SIIG index were suseptable to aluminum stress. Results of lines ranking based on SIIG index had full compliance with results of cluster analysis based on Ti idices.
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Type of Study: Research | Subject: Special

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