Table 3.

Mean disease ratings for 7 oak species at 10 weeks following inoculation with Ceratocystis fagacearum(Study II).

Quercus sp yNo. diseased treesRatingz
Q. chrysolepis181.1 ab
Q. kelloggii131.1 ab
Q. lobata161.0ab
Q. virginiana171.0ab
Q. agrifolia150.9b
Q. wislizenii140.9b
  • y See text for further description of species; there were 30 trees inoculated (10 controls) for each species.

  • z Means with the same letter are not significantly different at alpha = 0.05.