Table 4.
Effect of wetwood symptoms on injectablllty of elm trees.
Time per tree
Wetwood
None/trace
Slight
Moderate
Severe
1981
Time (hr)
3.3
2.9
2.7
3.3
No. of trees
21
13
11
6
1982
Time (hr)
2.7
2.5
2.2
2.8
No. of trees
57
12
4
1