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Table 1 Mortality % of cabbage butterfly, Pieris brassicae stages after entomopathogenic nematode treatments

From: Bio-efficacy of entomopathogenic nematodes, Steinernema feltiae and Heterorhabditis bacteriophora against the Cabbage butterfly (Pieris brassicae [L.]) under laboratory conditions

Treatments

Stages

Pieris brassicae mortality (%) after treatments

Steinernema feltiae

Heterorhabditis bacteriophora

24 h

48 h

72 h

24 h

48 h

72 h

Control

2nd instar larvae

0.00

0.00

0.00

0.00

0.00

0.00

 

4th instar

0.00

0.00

0.00

0.00

0.00

0.00

 

Pupa

0.00

0.00

0.00

0.00

0.00

0.00

10 IJs/cm2

2nd instar

17.50

32.50

42.50

20.00

30.00

42.50

 

4th instar

22.50

32.50

40.00

32.50

52.50

65.00

 

Pupa

20.00

32.50

45.00

22.50

35.00

45.00

20 IJs/cm2

2nd instar

25.00

37.50

50.00

27.50

40.00

50.00

 

4th instar

35.00

45.00

55.00

45.00

67.50

77.50

 

Pupa

27.50

37.50

52.50

35.00

47.50

57.50

40 IJs/cm2

2nd instar

32.50

47.50

62.50

35.00

47.50

57.50

 

4th instar

47.50

57.50

67.50

55.00

72.50

85.00

 

Pupa

40.00

50.00

60.00

45.00

57.50

70.00

80 IJs/cm2

2nd instar

37.50

55.00

70.00

42.50

60.00

70.00

 

4th instar

55.00

67.50

77.50

67.50

80.00

90.00

 

Pupa

47.50

62.50

72.50

52.50

65.00

77.50

160 IJs/cm2

2nd instar

52.50

67.50

85.00

50.00

72.50

87.50

 

4th instar

65.00

80.00

87.50

77.50

90.00

97.50

 

Pupa

55.00

75.00

90.00

60.00

77.50

90.00

LSD

2nd instar

4.64

4.17

6.44

5.80

7.24

10.03

(p < 0.05)

4th instar

5.35

6.03

6.05

4.37

8.46

9.80

 

Pupa

5.80

5.69

8.78

4.95

4.39

8.54