Volume 10, Issue 25 (6-2018)                   jcb 2018, 10(25): 73-80 | Back to browse issues page

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Omrani S, Naji A M, Esmaeil Zadeh Moghadam M. Evaluation of Yield Stability of Bread wheat (Triticum aestivum L.) Genotypes using Additive Main Effects and Multiplicative Interaction (AMMI). jcb. 2018; 10 (25) :73-80
URL: http://jcb.sanru.ac.ir/article-1-564-en.html
Department of Plant Breeding, Shahed University, Tehran, Iran
Abstract:   (222 Views)

To evaluate the genotype × environment interaction and determine the stable genotypes of wheat, 30 genotypes of bread wheat along with two controls namely Chamran  and Chamran 2 were studied in 6 locations (Ahwaz, Darab, Dezful, Iranshahr, Khorramabad, Zabul) and two years (from 2013 to 2015), in each using an alpha lattice design with 4 replications. The results obtained from AMMI analysis demonstrated that the main effects of genotype, environment, genotype × environment interaction and the first four principal components were highly significant. The first four principal components justified around 90.9% of the sum of squares of the interactions. By using the stability of the figures of the statistics lasting value AMMI (ASV), genotypes 2, 6, 14, 28 had the lowest (ASV) values. Genotypes 2, 6 and 14 with higher yields than the overall mean were identified as high yielding genotypes with stable performance. Drawing the biplot of the first principal component and the average yield for genotypes and environments suggested that genotypes 9, 28, 25, 12, 14, 10, 2 and 6 had low interactions, but genotypes 14, 10, 2 and 6 with higher than average yields and desired stability were selected. Biplot of the first two principal components showed that the interaction between genotypes 2, 6, 7 and 14 due to higher grain yield than the average of the total, were identified genotypes with good compatibility. Genotype grouping them into three groups based on the model SHMM placed in the first group of 22 genotypes, genotypes 9 in the second group and the third group was the only genotype 20.

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Type of Study: Research | Subject: General

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