1. UC IPM
Dothiorella gummosis disease on citrus, yellowish brown discoloring of wood infected by <I>Dothiorella gregaria</I> (=<I>Botryosphaeria ribis</I>) exposed by cutting off bark on lower trunk.
Dothiorella gummosis disease on citrus, yellowish brown discoloring of wood infected by Dothiorella gregaria (=Botryosphaeria ribis) exposed by cutting off bark on lower trunk.
Credit: John A. Menge