Thousand cankers disease (TCD) of walnut has been detected in Maryland and Pennsylvania, so a detection is possible in Delaware this season. The disease caused by a fungus and carried by the very ...

New cankers form from mid-spring and, once formed, are present all year. Cankers can also develop on the trunk." Apples are the primary hosts, but pears and Sorbus species are also susceptible ...

New cankers form from mid-spring and, once formed, are present all year. Cankers can also develop on the trunk." READ MORE: The Midlands school named as the best in entire country in new list READ ...