Test Date

Test specimen

No.

Weight before the test (g)

Weight after the test (g) (12 wks later)

Weight loss

ratio (%)

Inoculation treatment on Nov. 13

specimens in each group of fences without preservative treatment

Group 1

6.42

5.38

16.10

Group 2

6.55

5.47

16.42

Group 3

6.55

5.87

10.40

Group 4

6.73

5.91

12.11

Inoculation treatment on Nov. 13

3 specimens in each group of preservative-treated fences

Group 1

5.60

4.99

10.84

Group 2

6.39

5.91

7.52

Group 3

6.7

5.97

10.85

Group 4

6.71

6.21

7.50