Comparison of Stability and Adaptability in New Cereal; Primary Tritipyrum, with Iranian Bread Wheat and Triticale Using Different Stability Parameters in Iran
Author(s):
Abstract:
In order to study the genotype-environment interaction for grain yield in eight primary and combined primary tritipyrum lines in comparison with four Iranian bread wheat varieties and five promising triticale lines, an experiment in randomized completely block design with three replication in three locations of Iran (Kerman, Sirjan, Neyriz) including 7 separate environment during 2001-2002, 2005-2006 and 2010-2011 were conducted. The results of combined analysis of variance for grain yield showed significant differences between environments and genotype × environment interactions. The results of stability analysis for high yielding lines/cultivars indicated first, in Eberhart and Russell grouping method Based on slope of regression line, grain yield average and also deviation of regression line parameters, combined primary tritipyrum line (Ka/b)(Cr/b)-5 and triticale 4115, 4108 and M45 lines showed good compatibility in all environments. Second, the results of genotypes category in cluster analysis based on criteria ecovalance and stability variance was exactly the same. Third,, based on ecovalance, stability variance parameters and mean yield, the combined primary tritipyrum line (Ka/b)(Cr/b)-5 and promising triticales 4108 and M45 Lines indicated low genotype × environment interaction and high growth performance in comparison with all varieties and lines. This tritipyrum line can be introduced as a potential pasture Line in arid and semi arid area of Iran particulary with brackish water and saline soils. The two triticale lines can be registerd as high grain lines in poor lands of Iran for cereal production for the first time.
Keywords:
Language:
Persian
Published:
Iranian Journal of Field Crops Research, Volume:11 Issue: 4, 2014
Pages:
629 to 639
https://magiran.com/p1245201
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