: In active infections, you may see tiny red or white dots (spore-producing bodies) on the surface of the infected bark.
: The bark may appear reddish-brown, cracked, or flaky, and in some cases, may exude a clear or amber-colored "gum". apple canker
Recognizing canker early is the most effective way to prevent permanent damage to your trees. : In active infections, you may see tiny
Effective control requires a mix of physical removal and preventative care. How to Identify and Remove Canker from Apple Trees : In active infections
: Look for oval, sunken areas of bark with characteristic concentric rings of callus tissue.