GENETIC VARIABILITY AND HERITABILTY FOR SEED YIELD AND WATER USE EFFICIENCY RELATED CHARACTERS IN CLUSTERBEAN (CYAMOPSIS TETRAGONOLOBA ( L.) TAUB.)
JITENDER, S. K. PAHUJA, NARESH VERMA AND NABIN BHUSAL
Forage Section,Department of Genetics & Plant Breeding,
CCS Haryana Agricultural University,Hisar(India)
(Received: 15 March 2014; Accepted: 28 March 2014)
The material for present investigation comprised of 25 guar genotypes. The experimental material was grown at Research Area Crop Physiology (Agronomy), CCS Haryana Agricultural University, Hisar during Kharif 2010 in randomized block design with three replications. The mean sum of squares due to genotypes were recorded to be highly significant for all the 18 characters studied, including morpho-physiological, biochemical characters and yield components and seed yield per plant. The studied revealed that prevalence of enough genetic variability in the material under study. Characters like pods per plant, dry weight, plant height and proline content in leaves had high GCV, PCV, heritability and genetic advance as percent of mean. While, harvest index and seed yield per plant had high GCV, PCV and heritability associated with moderate genetic advance as per cent of mean. Likewise, germination/survival per cent had moderate GCV PCV and genetic advance as per cent of mean with high heritability. However, 100 seed weight, branches per plant and leaf area index had high GCV, PCV and heritability associated with low genetic advance as per cent of mean. While, gum content, rate of water loss from excised leaf, cell membrane stability and seed per pod had moderate heritability associated with low GCV, PCV and genetic advance as per cent of mean, respectively. However, canopy temperature depression and chlorophyll fluorescence had high heritability associated with low GCV, PCV and heritability, respectively.
Key words : Genetic variability, GCV, PCV, heritability and genetic advance as percent of mean,guar..