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Table 2 Dose–mortality response (expressed as lethal dosages (LD) of Pectinophora gossypiella pupae to Heterorhabditis indica using direct and soil application methods under laboratory conditions

From: Biocontrol potential of entomopathogenic nematode, Heterorhabditis indica against pink bollworm, Pectinophora gossypiella (Saunders) (Lepidoptera: Gelechiidae)

Strain

Direct application

Application through soil

dfa

Slope ± SEb

χ2c

LD50d (FL)e

dfa

Slope ± SEb

χ2c

LD50d (FL)e

CICR-HI-MN

8

2.76 ± 0.47

8.23

73.88  (53.62–90.24)

8

5.10 ± 1.44

8.73

272.38  (209.51–307.79)

CICR-HI-CL

8

2.17 ± 0.32

3.54

29.65  (24.25–35.79)

8

4.83 ± 1.23

7.46

147.84  (118.96–165.05)

  1. adf (degrees of freedom)
  2. bSlope ± SE (standard error)
  3. cχ2 indicates a good fit of the line to the data
  4. dlethal dosages are expressed in IJs per larva
  5. eFL (fiducial limits)
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Journal of Cotton Research

ISSN: 2523-3254

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