Volume 4, Issue 6 (6-2015)                   DEEJ 2015, 4(6): 55-62 | Back to browse issues page

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Ranjbar fordoei A, Heydarnejad S. Leaf water status, proline and soluble sugars in Smirnovia iranica (Sabeti) plants under habitat conditions. DEEJ. 2015; 4 (6) :55-62
URL: http://deej.kashanu.ac.ir/article-1-257-en.html

An experiment was carried out to investigate the effect of progressing water deficit stress on leaf water relation parameters and compatible solutes at different phenological stages. Completely randomized design including four phenological stages (as drought stress treatments) was used. Each treatment had five replicates. Variables measured were osmotic potential (&PsiS), relative water content (&thetaL), total osmotic adjustment (TOA), proline and total soluble sugar (TSS) content. Data collected were analyzed using analysis of variance (ANOVA) at significance level of P<0.5%, followed by the Duncan multiple range test. The results obtained show that improving drought stress during phenological stages &PsiS declined from -6.01 MPa (in FS) to -6.67 MPa (in SFS), respectively, for a decrease in &thetaL of 20.24%. Coupled with improving water deficit stress, a 55.5% increase was observed in TOA. For both proline and TSS content, among phenological stages (concomitant with

Type of Study: Research | Subject: Desert
Received: 2015/03/18 | Accepted: 2015/05/20 | Published: 2015/06/20

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