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:: Volume 7, Issue 3 (10-2005) ::
3 2005, 7(3): 252-267 Back to browse issues page
Effect of drought and salinity stresses on quality related traits in bread wheat (Triticum aestivum L.) varieties
Abstract:   (3006 Views)
To study the effects of salinity and drought stresses on quality traits, 10 spring bread wheat varieties (with the names of Shole, Khazar, Arvand, Falat, Kavir, Mahuti, kallek Afghani, Roshan, Bafgi, and Bolani) were grown in experimental field station of Agricultural and Natural Resources Research Center of Western Azerbaijan province (Miyandoab) under three conditions (normal, drought and salinity stresses) in 2001-2002 cropping seasons. Experimental design was randomized complete block with three replications. Results of combined analysis of variance showed that genotypes were significantly different for most of the traits. The values of gluten index and glutenin were decreased under drought and salinity stresses. However, protein percentage, gliadin, hardness index, falling number and water absorption were increased. Arvand and Khazar with high grain yield under salinity and drought stresses, respectively (416g/m2 and 418g/m2) had the lowest gluten index in contrast Falat had the greatest gluten index under drought stress. Tolerant varieties (Arvand and Khazar) had lower accumulation of glutenin and higher accumulation of gliadin. Kavir and Roshan that had the highest and the lowest values of grain yield under normal condition had low and high values of gluten index, under drought and salinity conditions, respectively. Under salinity and drought stresses conditions gluten index were decreased 36 percent and 42 percent, respectively. Falat and Roshan had higher gluten index than Bulani and Shole. Falat had lower values of Falling number than Arvand and Khazar. Among the varieties, Arvand with softer texture showed the least starch damage, so lower water absorption capacity.
Keywords: Drought, Salinity, Quality traits, Wheat, Gluten index
Full-Text [PDF 2521 kb]   (482 Downloads)    
Type of Study: Scientific & Research | Subject: Special
Received: 2015/03/1 | Accepted: 2015/03/1 | Published: 2015/03/1
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Effect of drought and salinity stresses on quality related traits in bread wheat (Triticum aestivum L.) varieties. 3. 2005; 7 (3) :252-267
URL: http://agrobreedjournal.ir/article-1-319-en.html


Volume 7, Issue 3 (10-2005) Back to browse issues page
مجله علوم زراعی ایران Iranian Journal of Crop Sciences
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