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Character association and path coefficient studies for yield and its components in potato (Solanum tuberosum L.)

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Forty two diverse genotypes of potato (Solanum tuberosum L.) were evaluated for various quantitative and qualitative traits to determine the association of yield and its components. Correlation analysis revealed that the magnitude of genotypic correlation coefficient was higher as compared to their corresponding phenotypic correlation coefficient for most of the characters. The total tuber yield exhibited significantly positive correlation with plant height, number of stems per plant, number of tubers per plant, average weight of tubers per plant and marketable tuber yield at both genotypic and phenotypic levels. Whereas, it had significant and negative correlation with dry matter and reducing sugar at both the levels.

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Nội dung Text: Character association and path coefficient studies for yield and its components in potato (Solanum tuberosum L.)

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