Skip to main content
Bulletin of the National Research Centre

Table 2 Effect of indoxacarb and sorell 98% treatments on the population density of lacewing larvae and adults

From: Impact of indoxacarb and sulphur formulation on aphid and three specific predators in Okra fields

Inspection intervals (h)

Treatments

F value 1 (df = 3,12)

Sulphur

Sulphur control

T value df = 6

Indoxacarb

Indoxacarb control

T value df = 6

 

Chrysoperla larvae mean ± SE

 

 − 2

26.00 ± 1.41a A a

25.00 ± 1.22a BC a

00.535NS

23.00 ± 0.71a A a

24.00 ± 0.82a B a

00.926NS

01.429NS

 + 2

27.00 ± 2.68a A a

28.00 ± 1.08a AB a

00.346NS

19.00 ± 1.08b B b

24.00 ± 0.71a B a

03.873**>

06.533**

 + 24

28.00 ± 1.22a A a

30.00 ± 1.47a A a

01.044NS

12.00 ± 1.08b C b

28.00 ± 1.08a A a

10.474**>

46.889**

 + 48

29.00 ± 0.41a A a

24.00 ± 2.08b C b

04.330**>

06.00 ± 0.41c D b

22.00 ± 1.08b B a

13.856**>

148.375**

 + 7 days

28.00 ± 0.41a A a

15.00 ± 0.82b D b

14.241**>

03.00 ± 1.08c E b

15.00 ± 1.08b C a

07.856**

131.684**

F value 2 (df = 4,15)

0.591NS

24.975**

 

85.560**

24.429**

  

% reduction

 + 79.49%

  

 − 79.13%

   
 

Chrysoperla adults mean ± SE

 

 − 2

17.00 ± 0.70a A a

18.00 ± 0.71a B a

01.000NS

17.00 ± 1.08a A a

17.00 ± 0.96a C a

01.039NS

00.720NS

 + 2

09.00 ± 0.40b B b

30.00 ± 1.47a A a

13.748**>

09.00 ± 0.71b B b

21.00 ± 1.08a AB a

09.295**>

57.600**

 + 24

12.00 ± 0.82b B b

33.00 ± 1.78a A a

10.726**>

06.00 ± 0.82b C b

23.00 ± 0.71a A a

15.739**>

165.143**

 + 48

16.00 ± 1.41a A a

19.00 ± 1.22a B a

01.604NS

03.00 ± 0.71b D b

18.00 ± 1.78a BC a

07.833**>

40.909**

 + 7 days

18.00 ± 1.41a A a

12.00 ± 1.08b C b

03.372*

02.00 ± 0.70b D b

11.00 ± 0.41a D a

11.023**>

81.000**

F value 2 (df = 4,15)

13.406**

45.471**

 

71.270**

17.027**

  

% reduction

 + 58.82%

  

 − 81.82%

   
  1. ** highly significant,* significant, NS, nonsignificant
  2. In horizontal rows, means followed with different small letters are statistically different (P > 0.5) ( F value 1)
  3. In horizontal rows, per each treatment, means followed with different small capital letters are statistically different (P > 0.5) ( T value)
  4. In vertical columns, means followed with different capital Italic letters are statistically different (P > 0.5) (F value 2)
Back to article page