Volume 1, Number 2 (vol. 1, no. 2 2013)                   jppf 2013, 1(2): 13-23 | Back to browse issues page


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Javadipour Z, Movahhedi Dehnavi M, Balouchi H. Changes in leaf Proline, Soluble sugars, Glycinebetaine and Protein content in six spring safflower under salinity stress. jppf. 2013; 1 (2) :13-23
URL: http://jispp.iut.ac.ir/article-1-32-en.html

Abstract:   (29968 Views)
Abstract: Enhanced leaf proline, soluble sugar and soluble protein contents with sever salinity stress can improve stomatal conductance and Relative water content. This can inhibit dry matter depletion due to salinity stress, so can be used for screening of safflower cultivars under salinity stress. To evaluate the changes in leaf proline, soluble sugars, glycinebetaine and protein content of six spring safflower under salinity stress, a pot experiment was conducted as factorial base on completely randomized design with three replications in summer 2011 in Yasouj University. The first factor included of four salinity levels as zero, 75, 150 and 225 mM. Second factor included of six safflower cultivars, as Local Isfahan, Spinned Sina, Isfahan 14, Goldasht, Padideh and Sina 411. Traits such as leaf Proline, glycinebetaine, soluble sugars and soluble protein content and leaf relative water content were measured. Interaction of salinity and cultivar was significant for all measured traits. Salinity stress significantly increased leaf proline and soluble sugar content. Relative water content decreased significantly by salinity, so that maximum of it (91.03%) was seen in Padide at control. Sina 411 due to having more leaf soluble sugar and RWC at 225 mM salinity level and Goldasht due to having more proline and glycinebetaine content was more tolerance cultivars than the others, and Esfahan14 that had the least soluble sugar, Relative water content and glycinebetaine content introduced as less tolerant cultivar.
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Type of Study: Research | Subject: Salt Stress
Received: 2013/01/15 | Accepted: 2013/07/16 | Published: 2013/07/16

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