Investigating grain yield and yield stability of wheat cultivars introduced in Iran over the last half century

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Alipour Hadi; Abdi Hossein; Rahimi Yousef; BIHAMTA MOHAMMAD REZA

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Journal: Cereal Research Year:2019 | Volume:9 | Issue:2 Page(s): 157-167

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Title

Investigating grain yield and yield stability of wheat cultivars introduced in Iran over the last half century

Author(s)

Alipour Hadi | Abdi Hossein | Rahimi Yousef | BIHAMTA MOHAMMAD REZA | Issue Writer Certificate

Keywords

AdaptabilityQ1

Genotype × environment interactionQ1

GGE biplotQ2

Mosaic plotQ1

Abstract

Breeding for yield and yield stability has always been the main goal for breeders. In the current research, yield and yield stability of 51 wheat cultivars introduced over the last half century were evaluated in a randomized complete block design with two replications during five years. Analysis of variance revealed that genotype×environment interaction was significant. Therefore, the pattern of genotype×environment variation was analyzed using graphical method. According to the results of GGE biplot analysis, the first and second components as genotype and genotype×environment interaction components, explained 41. 98% and 20. 28% of the total variation, respectively. Simultaneous pattern of yield and yield stability divided the studied cultivars into three groups including desirable, moderate and undesirable. Among the studied cultivars, Mahdavi, Maroon and Sistan showed high yield and yield stability, while Shahpassand and Zagros had a low yield and yield stability. The results of this study showed that breeders have successfully introduced the genotypes with high yield and good stability over time, however due to the complexity of yield and yield stability traits, 10% of genotypes with low yield and 30% with poor stability have been introduced during 1986-2006, which confirms the need for more accurate tests in the future. Winter genotypes showed lower yield and yield stability compared to spring and facultative cultivars. Since, spring cultivars showed high yield in autumn cultivation, it is therefore recommended to cultivate spring cultivars in autumn as well.

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APA: Copy

Alipour, Hadi, Abdi, Hossein, Rahimi, Yousef, & BIHAMTA, MOHAMMAD REZA. (2019). Investigating grain yield and yield stability of wheat cultivars introduced in Iran over the last half century. CEREAL RESEARCH, 9(2 ), 157-167. SID. https://sid.ir/paper/369615/en

Vancouver: Copy

Alipour Hadi, Abdi Hossein, Rahimi Yousef, BIHAMTA MOHAMMAD REZA. Investigating grain yield and yield stability of wheat cultivars introduced in Iran over the last half century. CEREAL RESEARCH[Internet]. 2019;9(2 ):157-167. Available from: https://sid.ir/paper/369615/en

IEEE: Copy

Hadi Alipour, Hossein Abdi, Yousef Rahimi, and MOHAMMAD REZA BIHAMTA, “Investigating grain yield and yield stability of wheat cultivars introduced in Iran over the last half century,” CEREAL RESEARCH, vol. 9, no. 2 , pp. 157–167, 2019, [Online]. Available: https://sid.ir/paper/369615/en

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