sentences:  On major limbs or trunks the cankered portion may be excised.This may be done by removing all brown, dead tissues, as well as, 1 inch of healthy bark and wood on all sides, cutting to a depth of ¼ inch.Proper sanitization of tools is crucial in prevention of accidental spread of this disease; this may be done by disinfecting them by either swabbing or immersing them in a solution of 70% rubbing alcohol.