Estimation of Genetic Parameters and Association Analysis of Yield and Yield Attributing Traits of sorghum (Sorghum bicolor L. moench)

Author: S.K. Sameera*, S. Isha Parveen, T. Bhagavatha Priya, C.V. Chandra Mohan Reddy, N. Kamakshi, Srujana and M. Hemanth Kumar

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Abstract

Twenty advance breeding lines of Sorghum were evaluated for their genetic variability with regards to grain yield and yield components. Study of genetic parameters through which heritability of characters and tight association among them can be known and the selection of yield attributes can be easily done for further improvement. Along with variability, heritability and genetic advance as percent mean was also calculated. In addition, association analysis was also taken up for these traits. The results revealed High heritability (>60%) estimates was observed with the characters viz., days to 50% flowering, Plant Height, Panicle length, 100 seed weight indicating the low influence of environment on these characters. Further, high (>20%) estimates of genetic advance as percent mean was observed in Plant height, Panicle length and 100 seed weight. In addition, high heritability coupled with high genetic advance as percent mean was recorded with Plant height, Panicle length and 100 seed w

Keywords

Coefficient of variation, Genetic advance as percent mean, Heritability, Sorghum, Variability, Yield.

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