Crops | No. of leaves at | Insect infestation (%) | ||||||
15 days | 20 days | 25 days | 30 days | 15 days | 20 days | 25 days | 30 days | |
T1 | 2.88 b | 3.68 b | 3.69 b | 4.21 b | 0.65 b | 1.17 b | 2.92 c | 5.17 c |
T2 | 3.08 a | 3.93 a | 3.89 a | 4.81 a | 0.67 b | 1.25 b | 2.42 c | 4.92 c |
T3 | 2.38 c | 3.56 c | 3.49 c | 4.06 b | 1.08 b | 1.67 b | 4.42 b | 6.92 b |
T4 | 2.08 d | 3.11 d | 3.32 c | 3.81 c | 13.83 a | 19.33 a | 23.67 a | 31.92 a |
Level of sig. | *** | *** | *** | *** | *** | *** | *** | *** |
CV (%) | 7.87 | 0.82 | 6.52 | 4.87 | 18.08 | 17.16 | 12.26 | 8.38 |