Interpretation of hybrid vigour in different cross combinations of pigeonpea [Cajanus cajan (L.) Millsp.]

摘要

The magnitude of relative heterosis, heterobeltiosis and standard heterosis of 18 hybrids derived from crosses between six lines and three testers was studied for yield and yield attributing characters. An appreciable amount of heterosis was observedfor almost all the characters. Significant positive heterotic effect over mid parent, better parent and standard check (CO 5) was recorded for seed yield per plant in the hybrid VBN 1 x ICPL 83027 (81.74, 66.57 and 68.36) followed by CO 5 x ICPL 83027 (24.46, 23.80 and 25.13) and CORG 9904 x ICPL 83027 (56.47, 17.77 and 19.03). The study revealed good scope for commercial exploitation of hybrid vigour for seed yield and yield attributing traits in above crosses.