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:: Volume 13, Issue 4 (1-2012) ::
علوم زراعی 2012, 13(4): 697-711 Back to browse issues page
Effect of salinity stress on morpho-physiological traits of triticale lines
Abstract:   (4435 Views)
Effects of salinity on morpho-physiological of eighteen triticale lines comprising 9 doubled haploid (DH) lines and 9 their corresponding F8 lines as well as two bread wheat cultivars ('Roshan' as a drought tolerant and 'Kavir' as a salt tolerant cultivar), were studied. A randomized complete block design with three replications was used for each of the environmental conditions (non-stressed and salt-stressed conditions) at the research farm of College of Agriculture, with a silty-clay-loam soil, Isfahan University of Technology, Isfahan, in 2008-2009 cropping season. Both salt stressed and non-stressed experiments were irrigated with water having EC of 1 dS m-1 until mid-jointing stage, and afterward salt-stressed experiment was irrigated with saline water containing 175 mM NaCl with EC= 16 dS m-1. Area of flag leaf, angle of flag leaf, rolling of flag leaf, relative water content, length of awn, dry weight of awn, length of peduncle, dry weight of peduncle and grain yield were measured and recorded. In both conditions positive and significant correlations were observed between grain yield with area of flag leaf, relative water content and dry weight of peduncle. Triticale lines possessed superior awn length and dry weight, peduncle length and dry weight and leaf area than bread wheat cultivars. Orthogonal comparison also indicated that triticale lines performed superior than bread wheat cultivars in either environmental conditions.
Keywords: Dry weight of peduncle, Dry weight of awn, Flag leaf area, Relative water content, Salt stress, Triticale and Bread wheat
Full-Text [PDF 223 kb]   (1541 Downloads)    
Type of Study: Scientific & Research | Subject: Special
Received: 2015/02/17 | Accepted: 2015/02/17 | Published: 2015/02/17
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Effect of salinity stress on morpho-physiological traits of triticale lines . علوم زراعی 2012; 13 (4) :697-711
URL: http://agrobreedjournal.ir/article-1-109-en.html


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Volume 13, Issue 4 (1-2012) Back to browse issues page
نشریه علوم زراعی ایران Iranian Journal of Crop Sciences
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