Pitch canker: A disease caused by the fungus Fusarium circinatum that affects pine trees, leading to symptoms such as resinous cankers on the bark and dieback of branches. Volatile organic ...

This tree is susceptible to a number of pests and diseases, including pine wilt nematodes ... to defend itself as larvae bore under the bark. Moth infestations are best treated with insecticides.

Efforts are under way to collect seeds from apparently disease-resistant individuals and outplant seedlings. It’s also important to protect the places on the landscape where the tree is managing to ...