1. UC IPM
A large canker from which bark has peeled off at the site of a poor pruning cut where a branch stub was left. A disease called sappy bark, or papery bark, <i>Trametes versicolor</i>.
A large canker from which bark has peeled off at the site of a poor pruning cut where a branch stub was left. A disease called sappy bark, or papery bark, Trametes versicolor.
Credit: Jack Kelly Clark