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Information Journal Paper

Title

Performance of Different Genotypes of Barley (Hordeum Vulgare L. ) Under Normal and Saline Environments

Pages

  41-52

Abstract

 In this study, two experiments were conducted to compare the performance of eight different genotypes, their Correlations, Path analysis, and select the best genotype/genotypes of Barley in two environments including normal and saline environments in South Khorasan province of Iran in 2015-2016. Results of combined analysis of variance for combined data of both studied environments showed significant effects for the genotype treatment on most of the studied traits. Means comparison data indicated that the highest and the lowest means of majority of investigated characteristics of Barley genotypes were related to Salt4 and MBS-90-10 genotypes, respectively. Number of days to maturity and plant height had the highest simple Correlation with Grain yield in investigated genotypes of Barley but these Correlations were not significant. In forward regression analysis for Grain yield as independent variable, five traits including one-thousand grain weight, number of days to maturity, mean grain weight, canopy temperature, and plant height entered to regression model in five steps with R-square=0. 99. The path coefficient analysis based on Grain yield, as a dependent variable implicated that number of days to maturity had the highest positive direct effect on Grain yield of investigated genotypes of Barley. The highest positive indirect effect on the Grain yield was related to the mean grain weight trough the number of days to maturity, therefore, these two traits were the most important phenological and morphological characteristics that affect Grain yield of Barley under two studied environments and can used as selection criteria in investigated genotypes of Barley.

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