Ecology, Environment and Conservation Paper

Vol 20, Issue 3, 2014; Page No.(983-987)

STUDIES ON GENETIC VARIABILITY IN LINSEED (LINUM USITATISSIMUM L.) GENOTYPES UNDER RAINFED CONDITION

Govind Sahu, S.P. Mishra, V.K. Mishra, Temin Sahu and R.S. Solanki

Abstract

The experiment consisting of 20 linseed strains/varieties were during rabi 2012-13. The characters studied were early plant vigour, days to 50% flowering, plant height (cm), number of capsules per plant, 1000-seed weight (g) and seed yield per plant (g). ANOVA of experiments indicated highly significances among treatments for all the characters except 1000-seed weight. Wide range of variation was found plant height, number of capsules per plant 1000-seed weight. Phenotypic coefficients of variability (PVC) were higher than genotypic coefficients of variability (GCV) for all the characters. Estimates of heritability (broad sense) ranged from 1.70 (1000-seed weight) to 90.30 (number of capsules/ plant). The genetic advance in per cent of mean ranged from 0.44 (1000-seed weight) to 39.59 (seed yield/plant). Present investigation also showed that factors other than geographic diversity such as genetic drift, selection pressure and environment may be responsible for variation between the genotypes.

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