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:: Volume 1, Number 2 (3-2016) ::
3 2016, 1(2): 74-84 Back to browse issues page
Evaluation of photosynthetic parameters of chickpea cultivars in different phenological stages under water deficit stress
Majid Rostami, Mohammad Alizadeh, Nezam Armand *, Saeedreza Hosseinzadeh
Abstract:   (1419 Views)

Water shortage is the main limiting factor of growth, photosynthesis and productivity of plants in dry regions and seasons. The results indicated that severe drought stress, leading to a sharp reduction in plants photosynthesis capacity. This study was done on chickpea cultivars to determine the effect of drought stress on the photosynthetic features (transpiration rate, net-photosynthetic rate, intercellular CO2 concentration, total chlorophyll index, and yield of PSII) at seedling, flowering, and podding stages. Experiment was conducted as a factorial based on completely randomized design (CRD) with three replications under control condition. Treatments consisted of three chickpea cultivars (Adel, Azad and Karaj) and drought stress in five levels (i.e. 20, 40, 60, 80 and 100 % of field capacity). Based on results drought stress during seedling, flowering, and podding stages decreased all photosynthetic indices. Considering the higher values of studied traits Karaj cultivar introduced as a tolerant cultivar comparing to other cultivars.

Keywords: Chlorophyll fluorescence, environmental stress, photosynthetic pigments, pulses, transpiration
     
Type of Study: Research | Subject: General
Received: 2015/10/21 | Accepted: 2016/02/12 | Published: 2016/02/20
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Rostami M, Alizadeh M, Armand N, Hosseinzadeh S. Evaluation of photosynthetic parameters of chickpea cultivars in different phenological stages under water deficit stress . 3. 2016; 1 (2) :74-84
URL: http://journals.lu.ac.ir/ijppb/article-1-45-en.html
Volume 1, Number 2 (3-2016) Back to browse issues page
مجله فیزیولوژی و بیوشیمی گیاهی ایران Iranian Journal of Plant Physiology and Biochemistry
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