Table 4. Termicidal performance of two types of wood vinegar at different concentrations against Coptotermes curvignathus in a no-choice test with treated filter paper

Treatment Termite mortality (%) Mass loss after 21 days (%)
Source biomass Concentration of treatment solution (%)
NFS 0 19.19 ± 14.95a 33.40 ± 4.53a
2.5 57.58 ± 33.75abc 26.90 ± 3.79ab
5 53.54 ± 28.64abc 14.34 ± 5.43cd
7.5 70.20 ± 33.28abc 15.32 ± 9.81cd
10 88.89 ± 14.32bc 9.52 ± 8.04cd
12.5 100 ± 0c 2.18 ± 0.31d
MSF 0 20.20 ± 16.69a 44.68 ± 3.83a
2.5 30.30 ± 6.06ab 26.65 ± 2.53bc
5 70.71 ± 34.99abc 22.86 ± 2.56bc
7.5 74.24 ± 30.26abc 13.30 ± 1.41cd
10 91.92 ± 7.00bc 17.40 ± 11.77bcd
12.5 100 ± 0c 9.98 ± 5.10cd
Means (N = 4) ± SD of 33 termites per replicate.
Means in the same column with the same letters are not significantly different (p < 0.05) according to Duncan’s multiple range test.
NFS: nipah fruit shells, MSF: mixture of shells and fiber.