1. UC IPM
Large cankers of Chinese elm anthracnose, <i>Stegophora ulmea</i>, at the base of limbs. The cankers may grow and girdle and kill the limbs.
Large cankers of Chinese elm anthracnose, Stegophora ulmea, at the base of limbs. The cankers may grow and girdle and kill the limbs.
Credit: Jack Kelly Clark