Skip to main content

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