Vol. 8, Issue 2 (2019)

Author(s):
Santosh and JP Jaiswal

Abstract:
The present investigation was carried out with 32 diverse genotypes of bread wheat in completely randomized block design with 3 replications at GBPUAT, Pantnagar under normal sown condition. The observations were recorded on 15 agronomic traits and 3 physiological traits. The statistical analysis for genetic variability was done using ANOVA, h², GCV, PCV and GA. The analysis of variance revealed significant difference among the genotypes. The results of the present study indicated that high heritability values were observed in most of the yield contributing and physiological traits except days to 75% anthesis, spike length, number of spikelets per spike and 1000 grain weight in which heritability was observed moderate. High GCV and PCV were observed for the characters characters plot yield, canopy temperature depression-I, -II, -III, and biological yield etc. Moderate GCV and PCV were found for the characters plant height, harvest index and 1000 grain weight etc. whereas low GCV and PCV were observed for the characters days to 75% heading, days to 75% anthesis, days to 75% maturity and SPAD. The genetic advance was observed high for the character such as plant height and moderate for number of grains per spike, harvest index and SPAD while low for rest of the charaters.