Chavan, S.K. and Mahajan, R.C. and Fatak, S.U.
(2010)
Genetic variability studies in sorghum.
Karnataka Journal of Agricultural Sciences, 23 (2 ).
322-323 .
Abstract
Genetic variability for yield and yield components was studied in 24 genotypes (20 F5 families and 4 controls) of Sorghum bicolor grown in Parbhani, Maharashtra, India, during 2006-07. The evaluated traits were the number of days to 50% flowering, number of days to maturity, panicle length, panicle width, plant height, number of primary branches per panicle, number of grains per panicle, test weight, harvest index and grain yield per panicle. The analysis of variance revealed the significant differences among the genotypes for all characters. The range of genetic and phenotypic variation coefficients, and genetic advance, were greatest for number of grains per panicle, followed by plant height, grain yield per panicle, number of primary branches per panicle, harvest index, number of days to maturity, number of days to 50% flowering, test weight, panicle length and panicle width. The values of genetic and phenotypic variation were highest for harvest index and lowest for number of days to maturity. High heritability coupled with high genetic advance was observed for number of grains per panicle, plant height, and grain yield per panicle.
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