Volume 11, Issue 42 (winter 2008)                   jwss 2008, 11(42): 173-180 | Back to browse issues page

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Zali H, Sabaghpour S, Farshadfar E, Pezeshkpour P, Safikhani M, Sarparast R et al . Stability Analysis of Yield in Chickpea Genotypes by Additive Main Effects and Multiplicative Interaction (AMMI). jwss 2008; 11 (42) :173-180
URL: http://jstnar.iut.ac.ir/article-1-778-en.html
Abstract:   (32728 Views)

  Presence of genotype × environment interaction necessitates evaluation of genotypes in a wide range of environments to find desirable genotypes. This study was carried out to determine the stability and adaptability of grain yield of 17 chickpea genotypes, in RCBD with four replications at Kermanshah, Lorestan, Ilam, Gachsaran and Gorgan Research Stations during two seasons (2003-2004). The genotype × environment interaction effect analyzed using the additive main effects and multiplicative interaction (AMMI) statistical model was significant at 1% level of probability. The sum of squares of G × E interaction was partitioned by AMMI model into four significant interaction principal component axes (IPCA). The first four principal component axes (IPCA 1, 2, 3 and 4) cumulatively contributed to 94% of total genotype by environment interaction. A biplot generated using genotypic and environmental scores of the first two AMMI components also showed that genotypes FLIP 97- 79, X95TH1 and FLIP 97- 114 were selected as stable genotypes, among which the genotype FLIP 97- 114 was outstanding for high yield stability.

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Type of Study: Research | Subject: Ggeneral
Received: 2008/08/12 | Published: 2008/01/15

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