Character Association and Path Analysis for Yield and Yield Attributing Traits in Bread Wheat [Triticum aestivum (L.) em Thell] Genotypes

Abstract

The current study was conducted in Rabi 2021- 2022 at Instructional Farm, Rajasthan College of Agriculture, MPUAT, Udaipur to estimate the association among yield components and their direct and indirect influence on grain yield of bread wheat. For the overall traits under investigation, significant genotypic differences were found indicating the presence of huge amount of variation among studied genotypes. At both the genotypic and phenotypic levels, there was positive and significant correlation between grain yield and days to 50% heading, plant height, length of main spike, number of spikelet’s per spike, number of grains per spike, grain weight per spike and biological yield per plant. Plant height had the greatest positive direct impact on grain production per plant followed by biological yield per plant, number of grains per spike, days to maturity and 1000-grain weight. It is, therefore, feasible to increase the grain yield per plant in bread wheat by taking into account certain traits viz., plant height, biological yield per plant, number of grains per spike.