Table 1. Root diseases and relative host susceptibility

a) Any coniferous species <15 years of age is considered highly susceptible to Armillaria root disease.
b) Refers to standard Damage Agent and Condition codes (FS 747).
c) Refers to genus and species symbols for trees as found in the Minimum Standards for the Establishment and Remeasurement of Permanent Sample Plots in British Columbia. September 1993.