Department of Genetics and Plant Breeding, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar - 263 145, India.
The effect of seed size on seedling vigour index and yield was studied in pigeonpea. Hundred seed weight and seedling vigour index revealed significant differences among seed grades of all the varieties. Large seeds expressed high seedling vigour index than the small size seeds in all the varieties, however, minimun differences among seed grades were noticed in UPAS 120 and Pant A104. Poor seedling vigour index was seen in small seed grades in all the varieties except Pant A-3 and Pant A-10.
