Table 1.

Summary of mean number of emergence holes, number of emergence holes per bole surface area (cm2) and adult weevil emergence by treatment, when insecticide sprays were applied on March 12, 1985 in southern Illinois.

InsecticideFormulation and rateMean number of emergence holes1Number of emergence holes per bole surface areaNumber of emerged adult weevils
carbofuranFuradan 4F
1 lb ai/100 gal
chlorpyrifosDursban 4E
1 lb ai/100 gal
  • 1 Tukey’s Studentized Range (HSD) Test Means followed by the same letter are not significantly different at the 5% level.