Bleeding Canker Reddish brown cankers develop in the inner bark of the main trunk and branches. The bark over the canker becomes sunken and reddish brown sap oozes out. Leaves wilt and branches die. Phytophthora cactorum Remove the infected tree and do not replace it with a woody ornamental until the soil has been fumigated and aerated thoroughly. Decline Tree growth slows.
Branch dieback progresses until much of the tree is dead.
Protect the tree from as many stresses as possible. Eutypella Canker A pronounced bulge of callus develop around an area of dead, but tightly attached bark on one side of the trunk. Or, the canker may completely girdle the tree. Often, there is a dead branch stub in the center of the cankered area. Decay fungi enter the cankers, making the tree very susceptible to breakage.