Study of the effects of quantitative traits on grain yield of barley cultivars and lines through factor analysis

نعمت اللهی صائين, یوسف and قاسمی, معرفت and اصغری زکریا, رسول Study of the effects of quantitative traits on grain yield of barley cultivars and lines through factor analysis. In: 2nd International and 6th National Iranian Congress on Organic vs. Conventional Agriculture, August 2019, Ardabil, Iran.

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Abstract

Among the cereals, barley is the important source of nutrients that are effective in human health. In order to investigate the relationship between quantitative traits with grain yield of experimental barley at Ardebil Agricultural Research Station, 20 cultivars were conducted in a randomized complete block design with three replications.Factor analysis based on stagnant root extraction and principal component analysis revealed four hidden factors that justified 82.34% of the data variation.The first factor with the highest percentage of explained variance of data was called the factor affecting performance.The second factor with the highest factor coefficients belonged to traits affecting phenological traits. The third factor had large and positive coefficients for the number of tillers and the number of fertile tillers That was named as a factor affecting growth.The fourth factor with the highest factor loadings on the traits of spike length and peduncle length was named as the influencing factor on plant gametes.

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