Dogwood Tree Trunk Fungus
Dogwood tree bark disease canker disease.
Dogwood tree trunk fungus. Phytophthora is a fungal. Dogwood anthracnose discula anthracnose. The disease also known as collar rot is caused by the pathogen phytophthora cactorum. It might also cause epicormic branches to form on the trunk and some of the larger branches.
Canker disease generally appears as sunken areas filled with dead tissue on the dogwood s bark. It is caused by the canker fungus that spreads inside the bark sucking away the bark s nutrition. Dogwood cankers are commonly found on the main trunk area. It can kill the trees it attacks or can leave them vulnerable to lethal attack by other pathogens.
Crown canker is a fungal disease that attacks flowering dogwood trees. Caused by the fungus discula destructive dogwood anthracnose attacks the tree causing masses of. Dogwood anthracnose is most severe only in areas of the state that are higher than 2000 feet. For more information on crown canker on dogwood trees read on.
This is a relatively new disease of dogwood in south carolina and it is caused by the fungus discula destructiva.