Table 1 Mean numbers (±SE) of Frankliniella occidentalis per leaf of tomato after releasing adults of Amblyseius swirskii and Neoseiulus cucumeris at different periods (days)

7

15

30

45

60

75

CK

Larvae

11.2 ± 2.03a

14.5 ± 1.98 a

19.6 ± 3.15 a

12.3 ± 2.83 a

9.93 ± 1.87 a

5.47 ± 1.01 a

AS

7.09 ± 0.97 c

6.16 ± 1.13 b

5.58 ± 0.65 b

4.81 ± 0.29 b

3.95 ± 0.45 c

2.70 ± 0.23 b

NC

8.14 ± 0.88 b

7.69 ± 1.34 b

6.04 ± 0.58 b

5.48 ± 0.47 b

4.93 ± 0.38 b

3.58 ± 0.54 b

AS + NC

4.27 ± 0.56 d

3.73 ± 0.67 d

3.11 ± 0.45 c

2.34 ± 0.32 c

1.86 ± 0.23 d

1.24 ± 0.28 e

CK

Adults

5.41 ± 0.72 a

6.27 ± .68 a

7.97 ± 1.01 a

7.03 ± 0.81 a

6.25 ± 0.76 a

4.09 ± 0.61 a

AS

4.09 ± 0.35 b

2.74 ± 0.26 b

2.28 ± 0.35 c

1.86 ± 0.24 c

1.49 ± 0.34 c

1.15 ± 0.16 c

NC

4.28 ± 0.41 b

3.04 ± 0.44 b

2.86 ± 0.47 b

2.56 ± 0.39b

2.19 ± 0.32 b

1.77 ± 0.22 b

AS + NC

3.67 ± 0.52 b

2.16 ± 0.31 c

1.73 ± 0.29 d

1.21 ± 0.24 d

1.00 ± 0.18 d

0.85 ± 0.11 c