Skip to main content

Table 8 Effect of agro waste extracts on oviposition and adult emergence of C. maculatus

From: Phytochemical compositions and insecticidal efficacy of four agro-waste used as biological control of cowpea beetle, Callosobruchus maculatus (Fab.) [Coleoptera: Bruchidae]

Treatment

Conc. (ml)

Oviposition

% Adult Emergence

Rice husk

0.1

30.33 ± 1.45a

20.03 ± 4.50b

Groundnut pod

 

73.67 ± 15.07b

9.02 ± 0.94a

Cowpea pod

 

45.00 ± 1.53a

10.36 ± 0.60a

Maize cob

 

43.00 ± 5.69a

16.31 ± 2.24ab

Rice husk

0.2

26.33 ± 0.88a

17.89 ± 3.07b

Groundnut pod

 

60.33 ± 8.21c

8.14 ± 1.16a

Cowpea pod

 

42.00 ± 1.53b

9.53 ± 1.39a

Maize cob

 

38.33 ± 3.33ab

15.87 ± 2.08b

Rice husk

0.3

24.00 ± 1.00a

16.91 ± 3.13b

Groundnut pod

 

53.67 ± 7.12c

6.11 ± 3.15a

Cowpea pod

 

39.67 ± 1.45b

8.31 ± 1.46ab

Maize cob

 

36.33 ± 2.96b

12.72 ± 3.99ab

Rice husk

0.4

20.33 ± 2.60a

11.50 ± 0.76a

Groundnut pod

 

47.33 ± 9.13b

5.45 ± 2.88a

Cowpea pod

 

35.00 ± 1.73ab

4.79 ± 1.01a

Maize cob

 

29.00 ± 6.43a

9.26 ± 4.33a

Rice husk

0.5

18.33 ± 2.33a

5.41 ± 2.76a

Groundnut pod

 

33.67 ± 7.31b

6.15 ± 1.81a

Cowpea pod

 

25.00 ± 1.73ab

0.00 ± 0.00a

Maize cob

 

19.33 ± 3.38a

5.11 ± 3.48a

Control

0.00

155.00 ± 0.00d

67.74 ± 0.00c

  1. Mean followed by the same letters within the same column are not significantly different (p > 0.05)