Table 1.

The number of red oaks which became infected and the time for symptoms to appear in relation to when they were wounded. A total of 19 (16%) of 112 wounded trees became infected.

Date of woundingTrees wounded numberTrees wilted numberTime between wounding andt symptoms days*/
May 5160-
May 5160-
12160-
1916246.5 (42-49)
2616238.5 (35-42)
June 216544.8 (28-56)
9161035.7 (21-63)
16160-
  • */ Average number of days between wounding and appearance of symptoms; range of days in parentheses.