stability analysis of grain yield in lineas and cultivars of rice (oriza sativa l.) using ammi (additive main effects and multiplicative interaction) method

Authors

خداداد مصطفوی

استادیار، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی، واحد کرج، البرز، ایران سید صادق حسینی ایمنی

پژوهشگر معاونت مؤسسۀ تحقیقات برنج کشور، آمل مرتضی فیروزی

دانش آموخته کارشناسی ارشد، دانشگاه آزاد اسلامی ، واحد بیرجند، بیرجند، ایران

abstract

selection of favorite cultivars and lines affected with genotype- environment interaction dramatically. in order to study of genotype × environment interaction in rice, 12 lines with 2 commercial cultivars as check (neda and fajr) was studied in 9 different environments (3 location and 3 years). the experiment was randomized complete block design (rcbd) with three replications. the differences were significant among genotypes, environments and their interaction. the yield stability was studied by ammi method. the results showed two principal components were significant and explain 67 percent of interaction variance. results revealed that grain yield was highly influenced by environmental factors. the line 9 had yield higher than mean and with the lowest for first interaction principal component thus distinctive as stable line. biplot of two first interaction component revealed that line 9 in sari (2008) and amol (2008) had specific adaptability. lines 4 and 8 in tonkabon (2008 and 2009) and in amol (2010) had specific adaptability. lines 6, 7, 10 and neda cultivar in sari (2009, 2010) had specific adaptability. finlay the lines 1, 2, 3 and 5 in tonkabon (2010) had specific adaptability. lines 2, 5, 7 and 12 and fajr and neda cultivars had the highest common adaptability to environments.

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علوم گیاهان زراعی ایران

جلد ۴۵، شماره ۳، صفحات ۴۴۵-۴۵۲

Keywords

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