Dr. D. B. PatelYOGESH YADAV2019-06-112019-06-112017http://krishikosh.egranth.ac.in/handle/1/5810108062A retrospective analysis of the physiological basis of yield improvement may provide an understanding of yield potential in wheat. For this purpose, a field experiment was conducted during winter season of the year 2014-15 at Department of Genetics and Plant Breeding, Anand Agricultural University, Anand to study the growth parameters of wheat at different growth stages and to illustrate the variability existing in the physiological attributes towards grain growth and development, among the varieties. The experimental material comprised of seven (GW 1308, GW 1309, GW 1310, GW 1311, GW 1139, GDW 1255 and HI 8498) wheat varieties and experiment was laid out in randomized complete block design with four replications.en-USnullThesis