Skip to main content

Table 2 Fumigant activity of the selected essential oils against Surinam beetle, Oryzaephilus surinamensis adults during exposure periods

From: Fumigant and toxic activity of some aromatic oils for protecting dry dates from Oryzaephilus surinamensis (L.) (Coleoptera: Silvanidae) in stores

Concentrations
(μl/l air)
Tested oils
Ocimum basilicum Eucalyptus globulus
LT50 Slope (±) χ² LT50 Slope (±) χ²
4.0 76.4 2.5 ± 0.4 0.02 360.8 1.8 ± 0.7 0.65
8.0 57.4 2.1 ± 0.3 0.14 226.5 1.6 ± 0.5 0.003
16.0 41.06 2.7 ± 0.3 0.09 195.4 1.1 ± 0.4 0.39
32.0 25.02 2.3 ± 0.4 1.58 143.3 0.9 ± 0.3 0.01
  1. LT50 calculated in hours