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Official Journal of the Japan Wood Research Society

Table 6 Repellency of the filter papers treated with the wood vinegar produced at 450 °C against Coptotermes formosanus workers in a choice test

From: Antifungal and antitermitic activities of wood vinegar from Vitex pubescens Vahl

Experiment

Number of termites in contact with the filter paper discs for 60 mina

Difference in mortality

Controlb

2.54 ± 1.49

No (P > 0.05, df = 9)

Control

3.03 ± 1.10

Control

2.89 ± 2.17

Yes (P < 0.05, df = 9)

Wood vinegar (10.0 %)

0.09 ± 0.22

Control

2.67 ± 1.42

Yes (P < 0.05, df = 9)

Wood vinegar (50.0 %)

0.00 ± 0.00

Control

3.03 ± 1.10

Yes (P < 0.05, df = 9)

Wood vinegar (100.0 %)

0.00 ± 0.00

  1. Paired comparison t test was used for each experiment, df = 9
  2. aMean ± SD. No. of counts in a 60-min period (n = 12). Each mean is based on 300 termites (ten replicates × 30 termite workers per replicate
  3. bControl: the paper discs were saturated with the deionized (DI) water