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Table 4 Parameters assessed Mean mortality percentages of Helicoverpa armigera larvae infected with isolate Steinernema abbasi CS39 at different concentrations

From: Studies on biological control potential of Steinernema abbasi CS-39 against Helicoverpa armigera (Hub.) (Lepidoptera: Noctuidae) by adopting the regression probit model

Parameters

DF

F

p value

Infective juveniles (IJs)

3

F (3, 6) = 17.39

p = 0.0023

Time

3

F (3, 6) = 8.526

p = 0.0139

Interaction of (IJs) and time

9

F (9, 18) = 2.816

p = 0.0294

  1. DF = degree of freedom; F = ratio of mean square