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Official Journal of the Japan Wood Research Society

Table 15 Weight loss of wood specimens treated with PR, 12 weeks after exposure to the 4 wood rots

From: Chemical composition, antitermite, antifungal properties, and wood protection systems from Canarium schweinfurthii (Aiele) resin from Gabon

Treatment with PR of

C. schweinfurthii

Weight loss (%) due to fungal degradation

Beech

Scot pine

T. versicolor

P. sanguineus

C. puteana

R. placenta

PR (1%)/EtOH (99%)

Treated samples

30.4 ± 1.4

32.9 ± 1.9

47.4 ± 1.0

47.7 ± 3.2

Control samples

34.1 ± 1.0

45.7 ± 0.8

50.5 ± 3.0

49.7 ± 1.7

PR (5%)/EtOH (95%)

Treated samples

25.2 ± 0.8

12.4 ± 1.3

44.4 ± 1.0

45.6 ± 1.9

Control samples

34.5 ± 0.3

36.9 ± 0.4

47.4 ± 2.6

48.9 ± 3.9

PR (10%)/EtOH (90%)

Treated samples

20.4 ± 0.5

9.2 ± 0.5

40.2 ± 3.1

40.9 ± 0.9

Control samples

31.8 ± 0.2

36.01 ± 0.6

50.3 ± 3.0

49.7 ± 2.0

PR (20%)/EtOH (80%)

Treated samples

13.6 ± 1.2

5.9 ± 0.3

3.4 ± 1.2

27.8 ± 1.6

Control samples

40.7 ± 2.9

33.8 ± 1.6

49.4 ± 2.3

40.9 ± 1.2

Virulence control

43.7 ± 1.1

48.0 ± 0.8

58.6 ± 2.6

56.6 ± 5.4

  1. ± = The plus/minus values shown are the upper and lower limits of the 95% confidence interval
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