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        Analysis of Genotype-by-Environment Interaction for Grain Yield of Rainfed Durum Wheat Genotypes in Warm Winter Areas of Iran

        Mohammadi, Reza,Mohammadi, Mohtasham,Karimizadeh, Rahmatollah,Amri, Ahmed 한국작물학회 2010 Journal of crop science and biotechnology Vol.13 No.4

        This study was performed for pattern analysis of genotype-by-environment (GE) interaction on 20 durum wheat genotypes grown in 15 testing environments during 2004 - 06 in Iran. Combined analysis of variance showed significant genotypes (G), environments (E), and GE interactions (P < 0.01), with environmental main effects being the predominant source of variation, followed by GE interaction. The results showed various patterns of genotype responses to different environment groups and assisted in structuring the durum wheat testing locations with identification of two major-environment groups with high genotype discrimination ability. The locations (Gachsaran and Ilam) corresponding to warm and semi-arid aresa were similar in genotype discrimination and showed no association with the other testing locations (Gonbad, Moghan, and Khoramabad) representing the Mediterranean area, indicating they differ in rankings of genotypes. The top-yielding genotypes, G13, Gl4 and G9, were highly adapted to warm and semi-arid environments, but those corresponding to the Mediterranean area had a high ability to discriminate the genotypes G16, G11, and Saimareh. The stability and adaptability of specific genotypes were assessed by plotting their nominal grain yields at specific environments in an ordination biplot, which aided in the identification of environment groups. Appropriate check genotypes for all environments or for specific environments were also identified. Pattern analysis allowed a sensible and useful summarization of GE interaction data set and helped to facilitate selecting superior genotypes for target-growing sites.

      • KCI등재후보

        Analysis of Genotype-by-Environment Interaction for Grain Yield of Rainfed Durum Wheat Genotypes in Warm Winter Areas of Iran

        Reza Mohammadi,Mohtasham Mohammadi,Rahmatollah Karimizadeh,Ahmed Amri 한국작물학회 2010 Journal of crop science and biotechnology Vol.13 No.4

        This study was performed for pattern analysis of genotype-by-environment (GE) interaction on 20 durum wheat genotypes grown in 15 testing environments during 2004 - 06 in Iran. Combined analysis of variance showed significant genotypes (G), environments (E), and GE interactions (P < 0.01), with environmental main effects being the predominant source of variation, followed by GE interaction. The results showed various patterns of genotype responses to different environment groups and assisted in structuring the durum wheat testing locations with identification of two major-environment groups with high genotype discrimination ability. The locations (Gachsaran and Ilam) corresponding to warm and semi-arid aresa were similar in genotype discrimination and showed no association with the other testing locations (Gonbad, Moghan, and Khoramabad) representing the Mediterranean area, indicating they differ in rankings of genotypes. The top-yielding genotypes, G13, G14 and G9, were highly adapted to warm and semi-arid environments,but those corresponding to the Mediterranean area had a high ability to discriminate the genotypes G16, G11, and Saimareh. The stability and adaptability of specific genotypes were assessed by plotting their nominal grain yields at specific environments in an ordination biplot, which aided in the identification of environment groups. Appropriate check genotypes for all environments or for specific environments were also identified. Pattern analysis allowed a sensible and useful summarization of GE interaction data set and helped to facilitate selecting superior genotypes for target-growing sites.

      • KCI등재

        Measuring Catastrophic Costs in Families Facing Traumatic Brain Injury in Iran

        Elham Gheysvandi,Seyedeh Zahra Mohammadi,Mahdiyeh Najafpour Amirkiyasar,Enayatollah Homaie Rad,Leila Kouchakinejad-Eramsadati,Zahra Mohtasham-Amiri 대한신경손상학회 2023 Korean Journal of Neurotrauma Vol.19 No.1

        Traumatic brain injury (TBI) is preventable and expensive. The medical costs of TBI can be too high for some households and might lead to poverty, malnutrition, and loss of assets, which are called catastrophic expenditures. In this study, we investigated the incidence of catastrophic costs associated with TBI caused by road accidents in a province in northern Iran.

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