Evaluation of Some Sorghum (Sorghum bicolor L.) Genotypes by Principles Component Analysis

Abstract

To improve sorghum productivity, farmers need high-yielding sorghum cultivars. A field experiment was conducted in the 2020 cropping season to determine the interaction effect of genotypes in Adana and Antalya locations in Turkey. Two lines plus three checks cultivars were evaluated at both locations in Turkey. The analysis of variance showed highly significant (P≤0.01) differences among the genotypes for all traits. The analyzed result indicates that the genotypes gave a higher yield in the Antalya location in terms of forage yield. The lowest forage yield was obtained from Line 2 and Line 1 with 4735.7 and 6212.9 kg da-1 in Adana, while the highest forage yield was recorded from all genotypes in Antalya. Moreover, forage yield and plant stalk ratio were positively and significantly associated with hay yield. The first two principal components (PC) accounted for 86.42% of the total genotypic variation.

Keywords

• Sorghum bicolor
• Correlation
• Forage yield
• Comparison

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