Phenological development, grain growth rate, seedling vigour and yield relationships in wheat cultivars under normal sown irrigated conditions

In North West Plain Zone (NWPZ), where the hot, dry wind is frequent during grain filling, wheat cultivars suffer from loss of grain weight because of low grain filling rate. A field study was carried out under normal sown conditions to evaluate the phenological variation in forty wheat genotypes. Significant genotypic differences were observed for most of the traits. WH 1105, WH 1138 and HD 2967 had the highest grain yield per plant 1150.0, 1136.7 and 1103.3 g/plot respectively.