Pitch canker is a fungal disease that infects many species of pine trees and Douglas-fir, but is most likely to be encountered on Monterey, Bishop, or Knobcone pines. First discovered in California in 1986. This disease continues to spread.

right_tree_linkSigns & Symptoms

Affected trees exhibit branch end dieback and pitch flow. Typically, branches throughout the crown are affected. Trees respond to the fungus by producing resin.


Decisions concerning tree removal are often complex and the following information is a general policy statement and not a substitute for on-site professional hazard tree evaluation.


Current research, Tree Notes and references on Monterey Pine and Pitch Canker.


Funding, position papers, Senate Bill 1712 and zone of infestation.

right_tree_linkMeeting Minutes

Agendas and notes from task farce meetings.

right_tree_linkResource Links

Resource links to other related groups, cooperators and agencies.

right_tree_linkNative Pine Information

Information pertaining to health, ecology, managent and research on California native pine species.