Table 3. Average closure by callus of pruning wounds on 40 trees, number of wounds fully closed after 2 years, and the average width of exposed wood after 2 years. Host | Treatment* | Original wound width (mm) | Closure (mm) | After 2nd year |
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1st year | 2nd year | Fully closed (of 80) | Exposed xylem width (mm) |
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Quercus | S | 35.0 | 5.6 | 14.5 | 9 | 14.9 |
C | 43.4 | 12.9 | 22.0 | 29 | 8.5 |
Acer | S | 36.1 | 6.6 | 10.4 | 13 | 19.1 |
C | 51.0 | 14.8 | 16.4 | 9 | 19.8 |
Platanus | S | 26.5 | 12.1 | 13.1 | 65 | 1.3 |
C | 33.3 | 16.9 | 14.9 | 68 | 1.5 |