Vol. 11, Issue 6 (2022)

Author(s):
RS Raikwar, Anil Mishra, VK Singh and KC Shukla

Abstract:
Analysis of variance revealed significant difference between genotypes for all the characters studied. Sufficient variability was present in the genotypes under study for all the characters indicating sufficient genetic variability among the genotypes. Estimates of genetic variability, heritability and genetic advance for fifteen characters including yield and quality have been investigated by studying six generations in wheat crosses. Genetic advance predicts the quantum gain expected by imposing a particular intensity of selection. Under timely and late sown, heritability in broad sense and narrow sense varied cross to cross. High heritability (>75%) coupled with high genetic advance (>40%) were recorded for weight of grains per main spike (cross I and II), number of grains per spike (cross V), grain yield per plant (cross I, II and III) in timely sown. The traits, number of effective tiller per plant (cross I), weight of grains per spike (cross IV), grain yield per plant (cross II, III and IV) and lysine content (cross III) had high heritability with high genetic advance in late sown condition. High magnitude of the parameters is expected due to presence of additive gene action Basic information on heritability and expected genetic advance is a prerequisite for effective improvement through selection. Though range varied from 5.19 (plant height, h²n) to 99.50 (Amylose content h²b).