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:: Volume 13, Issue 2 (7-2011) ::
علوم زراعی 2011, 13(2): 395-407 Back to browse issues page
Genotype × environment interaction and stability analysis for safflower (Carthamus tinctorius L.) genotypes under warm rainfed conditions
Abstract:   (3556 Views)
Safflower is one of the important oil seed crops and is grown in Iran for many years. Selection of stable cultivars with high seed yield is an important objective in safflower breeding programs for rainfed conditions. To study stability of seed yield and genotype × environment interaction, sixteen cultivars/ lines of safflower and a check variety (Local Isfahan) were evaluated using randomized complet block design with three replications in Gachsaran Agricultural Research stations in2004 to 2006 cropping seasons. Results of combined analysis of variance showed that year × genotype interaction was significant. Various stability methods were used to identify cultivars/lines with high yield stability. Based on yield mean comparisons of selected stable genotypes- using different yield stability parameters, two parameters: mean of rank (R) and yield-stability statistics (Ysi) were identified as suitable parameters in selection of genotypes with high yield and yield stability. Using these two stability parameters(R and Ysi), five cultivars and lines namely Sina, Cyprus Bergon, Syrian, CW-4440 and Leasaf were identified as cultivars with high yield and yield stability for rainfed conditions of Gachsaran and similar warm rainfed areas.
Keywords: Genotype, Grain yield, Safflower and Yield stability
Full-Text [PDF 185 kb]   (2011 Downloads)    
Type of Study: Scientific & Research | Subject: Special
Received: 2015/02/17 | Accepted: 2015/02/17 | Published: 2015/02/17
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Genotype × environment interaction and stability analysis for safflower (Carthamus tinctorius L.) genotypes under warm rainfed conditions. علوم زراعی 2011; 13 (2) :395-407
URL: http://agrobreedjournal.ir/article-1-135-en.html


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Volume 13, Issue 2 (7-2011) Back to browse issues page
نشریه علوم زراعی ایران Iranian Journal of Crop Sciences
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