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Table 2 Effect of planting dates—A (early, normal and late) and treatments—B (control, intercropping, Piper emulsion and insecticide) on number of looper larvae (mean ± SD)

From: Effects of climate variability on insect pests of cabbage: adapting alternative planting dates and cropping pattern as control measures

A
Treatments Planting dates
Early Normala Late  
Control 6.2 ± 2.0a 8.3 ± 1.7a 0.2 ± 0.5b  
Intercropping 0.2 ± 0.5a 0.2 ± 0.5a 0.0 ± 0.0a  
Piper emulsion 0.0 ± 0.0a 0.5 ± 0.5a 0.0 ± 0.0a  
Insecticide 0.7 ± 0.9a 0.7 ± 0.9a 0.5 ± 0.5a  
B
Planting dates Treatments
Control Intercropping Piper emulsion Insecticide
Early 6.2 ± 2.0a 0.2 ± 0.5a 0.0 ± 0.0a 0.7 ± 0.9a
Normala 8.3 ± 1.7a 0.2 ± 0.5a 0.5 ± 0.5a 0.7 ± 0.9a
Late 0.2 ± 0.5b 0.0 ± 0.0a 0.0 ± 0.0a 0.5 ± 0.5a
  1. Values within rows with different letters are significantly different (P < 0.05)
  2. aData taken from Tanyi et al. [35]