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