Vol. 11, Special Issue 11 (2022)

The present investigation entitled Efficacy of different botanical insecticides against ocimum leaf folder, Orphanostigma abruptalis on sweet basil, revealed that the untreated control was significantly inferior with maximum mean number of larvae population of 9.3 per five randomly selected plants. The highest per cent reduction in larval population after 14^th day was observed in treatment T4 – Azadirachtin 1.5% @ 15 ml/l (67.18) was significantly superior over other treatments followed by T₁- Neem oil 2% @ 20 ml/l (63.76), T₂- NSKE 5% @ 50 g/l (53.65), T₃- Karanj oil 2% @ 20 ml/l (48.67) followed by T₅- Castor oil 2% @ 20 ml/l (48.36) whereas, least per cent reduction in pest population after 14^th day of spray was recorded in T₆- Tobacco decoction 5% @ 50 g/l (43.39).