Volume 5, Issue 16 (9-2015)
2015, 5(16): 75-84 |
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Rabiei M, Akbari L, Khodambashi M. Stability Analysis in Oat Cultivars Using Additive Main Effects and Multiplicative Interaction Effects (AMMI). Journal of Crop Production and Processing 2015; 5 (16) :75-84
URL: http://jcpp.iut.ac.ir/article-1-2361-en.html
URL: http://jcpp.iut.ac.ir/article-1-2361-en.html
Shahrekord University, Shahrekord, Iran , k_rabiei@yahoo.com
Abstract: (4235 Views)
Assessment of the stability and adaptability of a genotype to different environments is useful for recommending cultivars for known conditions and is one of the requirements in plant breeding programs. Considering the inherent climatic diversity in Iran, recognition of genotype by environment interaction is important. In this study ten oat (Avena sativa L.) genotypes were tested at six environments in Shahrekord University for two years and 3 replications in a randomized complete block design (RCBD). AMMI analysis (additive main effects and multiplicative interaction effects) was used to evaluate yield stability of oat genotypes. Results of simple and combined ANOVA for grain yield, showed significant differences for genotype and genotype × environment. AMMI analysis also revealed significant difference for treatment, genotype, environment and genotype × environment. Based on the bi-plot of the first principal component and mean in AMMI method, Rigodon, Paisley and Sioux genotypes showed the most stability and Sioux genotype indicated the smallest IPC1, while Pacer was considered to be the most, unstable genotype.
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