Fire blight

Apple, Pear, and Related Trees Disorder: Fire Blight, A1616, l997, Cooperative Extension Publications, Room 170, 630 West Mifflin St., Madison, WI 53703, 608-262-3346, $l.00. Also available from Wisconsin county Extension offices. This new brochure includes colored photos, symptoms and effects, cause, control (cultural and chemical), and a table on the relative resistance of apples, pears and crabapples to fire blight.