تجزیه اثر متقابل ژنوتیپ × محیط و بررسی الگوی واکنش ژنوتیپی در ارقام یولاف
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Abstract:
In this study, the an AMMI analysis (additive the main effects and the multiplicative interaction effects) was used to evaluate the yield stability of nine oats genotypes (4 Canadian cultivars and 5 Turkish breeding lines) and Makoi barley (as ckeck) in the 6 environments (3 dates of planting of Oct.12, Oct.31 and Nov.21 and 3 sowing densities of 300, 375 and 450 seeds/m2). The experiment was conducted at the Research Farm of Isfahan University of Technology in 2001. For each environments, a randomized complete block design with the 3 replications was used. According to the results obtained, the main effects of genotypes, environment and genotype X environment interaction effects were statistically significant (p<0.0 1) and 70% of sum of squares was explained by the first two interaction principal components (IPCI). Biplots of genotypic and environmental components of the first and second interaction principal components and the mean yields of the genotypes and environments, pattern analysis of the two significant and also stability statistics of AMMI model (EV2 & SIPC2) revealed that Boyer and Line No. 28 were the most stable genotypes. Boyer had the lowest IPC1 and Pacer and Lines No.2 and 17 were the least stable genotypes with specific adaptation to sowing density of 300 seed/m2. Lines No.32 and 28 indicated the specific adaptions to first planting date (Oct.12) Makoi and Pacer had the specific adaptation to second and third planting date and the second sowing density.
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تجزیه اثر متقابل ژنوتیپ × محیط و بررسی الگوی واکنش ژنوتیپی در لاینهای مختلف گندم نان تحت شرایط تنش شوری
The objectives of present study was analyzing genotype by environment (GE) interaction on the grain yields of 97promising bread wheat lines (Triticum aistivum L. (along with three control varieties under salt stress and normal conditions using additive main effects and multiplicative interaction (AMMI) model .The trials were conducted at four research locations including Yazd and Mahan of Kerma...
full textتحلیل اثر متقابل ژنوتیپ × محیط ( مدیریتهای زراعی) در ارقام یولاف بر مبنای تجزیه ضرایب مسیر و رگرسیون
This research was conducted at Rsearch Farm of Isfahan University of Technology to evaluate yield stability of 9 Oat (Avena sativa L.) genotypes and Makooi barley, to determine the contribution of each environmental factor to genotype × environment interaction, and to find the most stable yield component in these genotypes. Four Canadian cultivars and 5 Turkish breeding lines were included in t...
full textتحلیل اثر متقابل ژنوتیپ × محیط ( مدیریتهای زراعی) در ارقام یولاف بر مبنای تجزیه ضرایب مسیر و رگرسیون
This research was conducted at Rsearch Farm of Isfahan University of Technology to evaluate yield stability of 9 Oat (Avena sativa L.) genotypes and Makooi barley, to determine the contribution of each environmental factor to genotype × environment interaction, and to find the most stable yield component in these genotypes. Four Canadian cultivars and 5 Turkish breeding lines were included in t...
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Journal title
volume 9 issue 2
pages 77- 89
publication date 2005-07
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