Estimation of heterosis, heterobeltiosis and economic heterosis in dual purpose sorghum [Sorghum bicolor (L.) Moench]

The present investigation was under taken for 10 lines and 3 tester using line x tester mating design consisted of 46 entries including 10 lines, 3 testers, 30 hybrids and three checks viz., CSV 23, CSV 27 and CSH25. These were evaluated in RBD with three replications during kharif 2015 in four environments created by using different spacing viz., 22.5 x 5 cm (E1), 30 x 10 cm (E2), 45 x 10 cm (E3) and 60 x 10 cm (E4) at Instructional farm Rajasthan college of Agriculture, Udaipur in randomized block design with three replications. Some of the parents out crossed the limit of best checks for dry fodder yield, green fodder yield, protein content in grain and protein content in fodder in one or other environments. 24 crosses exhibited economic heterosis.