Volume 4, Issue 12 (VOL. 4, No. 12, 2015 2015)                   2015, 4(12): 117-127 | Back to browse issues page

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Mahdavi B, safari H. Effect of Chitosan on Growth and some physiological characteristics of Chickpea under Salinity Stress Condition. Plant Process and Function 2015; 4 (12) :117-127
URL: http://jispp.iut.ac.ir/article-1-174-en.html
1- Vali-e-Asr University of Rafsanjan , b.mahdavi@vru.ac.ir
2- Vali-e-Asr University of Rafsanjan
Abstract:   (6599 Views)
In order to study the effect of chitosan on growth and some biochemical characteristics of chickpea under salinity stress condition a greenhouse experiment was conducted in Vali-e-Asr University of Rafsanjan in 1392, as factorial arrangement in completely randomized design with three replications. Experimental factors included salinity (0, 4, 6 and 8 dS/m) and level of chitosan (0, 0.1, 0.2%, all dissolved in 1% acetic acid) along with an additional treatment of distilled water. Results indicated that with increasing salinity malondialdehyde content (0.834 mM g-1), proline (0.254 mg.g-1 FW), total carbohydrate (10.48 mg.g-1 FW), Na+ concentration of shoot (1.87%), Na+ concentration of root (2.05%) were increased while other traits under study were decreased. Chitosan treatment increased shoot height, shoot dry weight and relative water content and decreased malondialdehyde content. Under salinity conditions, chitosan treatment root height, root dry weight, proline and total carbohydrate were increased. Also, chitosan increased K+ concentration and decreased Na+ concentration of shoot under both unstressed and stressed condition. In plants treated with chitosan, K+ concentration of root increased compared with control plants, but the Na+ concentration of root decreased by 7.14 %. The results of the study indicate that priming the chickpea seeds with chitosan reduce the harmful effects of salinity via either reduction in Na+ absorption or by accumulation of proline, total carbohydrate and K+.
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Type of Study: Research | Subject: Salt Stress
Received: 2013/11/30 | Accepted: 2014/12/7 | Published: 2015/07/26

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