Among 4 bajra x napier hybrid (CO 1, TNAU CN 2, TNAU CN 3 and BN 2) and one napier x bajra hybrid (NB 21), TNAU CN 2 recorded maximum leaf area (LA), leaf area duration (LAD) and specific leaf weight (SLW). NB 21 had the maximum LAR. LA, SLS, LAR and LAD were high in first season and low in second season, while SLW followed reverse trend.
