Studies on genetic variability for phenological, yield and quality parameters in quality protein maize (qpm) (Zea mays l.) Shanthi P., Satyanarayana E., Babu G. Suresh, Kumar R. Sai Department of Genetics and Plant Breeding, Allahabad Agriculture Institute -Deemed University, Allahabad-211 007, Uttar Pradesh, India Online published on 19 March, 2018. Abstract Studies on genetic variability parameters were carried out in QPM genotypes at two locations (Hyderabad and Allahabad) and in two seasons (kharif 2003 and 2004) for various economic traits like grain yield, different growth, maturity and quality parameters in QPM genotypes. The experimental material consisting of 10 parents, 45 single cross hybrids and two standard checks viz., DHM-105 and Shaktiman-2 was raised in complete randomized block design in three replications. In this study,out of 26 characters studied, grain yield and its component characters viz., total anthers dehescence period, total period of silk appearance, active pollination period, number of seeds per cob, cob weight, protein yield and oil yield had expressed high estimates of GCV and PCV and high heritability (more than 85%) coupled with high genetic advance, indicating the genetic variances for these trails probably owing to their high additive gene effects and hence, it was inferred that there was a better scope for improvement of these traits through direct selection. Top Keywords GCV, Genetic advance, Heritability, PCV, Quality protein maize, Zea mays L. Top |