evaluation of yield stability of barley genotypes using gge-biplot method
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abstract
this study was performed for determine stability of the 18 promising barley lines and two check lines nosrat and mb-86-5 in six parts of the temperate zone including karaj, isfahan, birjand, varamin, zarghan and nishapur based on randomized complete block design)rcbd( with three replications and in two cropping seasons (2009-2011). following combined analysis, grain yield stability assessment was performed using graphical multivariate gge biplot analysis. genotypes 1, 2, 16, 5 had very high yield stability. this method was reveald three mega- environments including 1. karaj, varamin and zarghan, 2. nishapur and birjand and 3. isfahan. superior genotypes 2, 16 and 5 identified for these three mega-environments, results of this study showed genotype 2 (kavir kavir / / badia badia / 3 / torsh torsh /cr.279-07/ / 9cr.279-07 / bgs bgs /4/ / 4 / karoon karoon / / kavir kavir) with an average yield of 6.626 tons per ha and genotype 16 (zbl-2640) with an average yield of 6.438 tons per ha as stable genotypes after check genotype1with an average yield of 6.492 tons per ha.
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Journal title:
به نژادی گیاهان زراعی و باغیجلد ۲، شماره ۱، صفحات ۴۷-۵۸
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