Brown Canker

Brown canker produces dark, sunken lesions on tree bark and branches. You see reddish-brown staining and oozing or gummosis in affected areas. The disease favors wet conditions and damaged trees, entering through wounds. Prune out infected wood and maintain tree health through proper care and irrigation.

Prune canes with a sharp knife or pruner immediately above a node when first symptoms are noticed. Remove and destroy canes before sporulation occurs.