Genetic Variability for Different Biometrical Traits among Parental Lines of Pearl millet and Their Hybrids

By : Bhuri Singh , K.C. Sharma , E.V.D. Sastry

Page No: 29-32

Abstract
A field experiment was conducted during kharif season 2012 to evaluate 55 (10 parents and 45 hybrids) of pearl millet to estimate genetic variability, heritability and genetic advance of twelve quantitative characters. Analysis of variance revealed highly significant difference among genotypes for all the characters indicated that considerable amount of genetic variability was present in the experimental material which can be exploited for improvement of grain yield in pearl millet. Genotypic and phenotypic variances were recorded highest for biological yield per plant followed by dry fodder yield per plant and lowest for productive tillers per plant. High GCV and PCV were recorded for dry fodder yield per plant followed by biological yield per plant. Whereas, low for days to maturity. High estimates of heritability along with high genetic advance as per cent of mean was recorded for dry fodder yield per plant, productive tillers per plant and harvest index which indicated major role of additive gene action in the expression of these characters while high heritability along with moderate genetic advance as per cent of mean was recorded for grain yield per plant, plant height, panicle length and panicle girth which indicated these characters was mainly governed by non additive gene action.

Authors :
Bhuri Singh, K.C. Sharma and E.V.D. Sastry : Department of Plant Breeding and Genetics, S. K. N. College of Agriculture, (Sri Karan Narendra Agriculture University), Jobner-303329, Rajasthan.