| 
      Values are mean ± standard deviation of three replications. Similar alphabets within
    the column was statistically not significant (p>0.05; LSD).
        | Treatments | Before treatment | After first treatment | After second treatment |  
        | NSKE | 2.6 ± 1.15ab | 2.0 ± 1.73b | 1.66 ± 2.08b |  
        | CLE | 1.6 ± 0.57b | 1.3 ± 0.57b | 1.0 ± 1.00b |  
        | BLE | 1.3 ± 0.57b | 1.3 ± 0.57b | 1.0 ± 0.00b |  
        | NSKE+BLE | 1.3 ± 0.57b | 1.0 ± 1.00b | 0.6 ± 0.57b |  
        | CLE + BLE | 2.0 ± 1.00b | 1.6 ± 0.57b | 1.33 ± 0.57b |  
        | NSKE +CLE | 2.0 ± 1.00b | 1.0 ± 0.00b | 0.66 ± 0.57b |  
        | Diazinon 60% EC | 2.33 ± 0.57a | 0.3 ± 0.57c | 0.33 ± 0.57b |  
        | Control | 2.66 ± 0.57a | 3.6 ± 0.57a | 3.33 ± 0.57a |  |