Evaluation of yield stability of barley genotypes using GGE-biplot method

Document Type : Research Paper

Authors

1 M.Sc. Student, Department of Plant Breeding, Faculty of Agriculture, Karaj Azad University, Iran

2 Assistant Professor, Department of Cereal, Plant and Seed Improvement Institute, Karaj, Iran

3 Lecturer, Department of Cereal, Plant and Seed Improvement Institute, Karaj, Iran

4 Lecturer, Department of Plant Breeding, Agriculture and Natural Resources Research center, Tehran, Iran

5 Lecturer, Department of Plant Breeding, Agriculture and Natural Resources Research center, Fars, Iran

6 Lecturer, Department of Plant Breeding, Agriculture and Natural Resources Research center, Razavi Khorasan, Iran

7 Lecturer, Department of Plant Breeding, Agriculture and Natural Resources Research center, Esfahan, Iran

Abstract

This study was performed for determine stability of the 18 promising barley lines and two check lines Nosrat and MB-86-5 in Six parts of the temperate zone including Karaj, Isfahan, Birjand, Varamin, Zarghan and Nishapur based on randomized complete block design)RCBD( with three replications and in two cropping seasons (2009-2011). Following combined analysis, grain yield stability assessment was performed using graphical multivariate GGE biplot analysis. Genotypes 1, 2, 16, 5 had very high yield stability. This method was reveald three mega- environments including 1. Karaj, Varamin and Zarghan, 2. Nishapur and Birjand and 3. Isfahan. Superior genotypes 2, 16 and 5 identified for these three mega-environments, Results of this study showed genotype 2 (Kavir Kavir / / Badia Badia / 3 / Torsh Torsh /cr.279-07/ / 9cr.279-07 / Bgs Bgs /4/ / 4 / Karoon Karoon / / Kavir Kavir) with an average yield of 6.626 tons per ha and genotype 16 (ZBL-2640) with an average yield of 6.438 tons per ha as stable genotypes after check genotype1‏with an average yield of 6.492 tons per ha.
 

Keywords


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