After infection, large amounts of amber-colored gum exude from the wounded tissue. Later the infected bark cracks open and the affected tissue turns black. There are several insect pests that can be troublesome to peach trees. The oriental fruit moth causes die-back of young growing tips and wormy peaches. Plum curculio lays its eggs in crescent-shaped cuts on the young fruit, causing them to drop or be wormy.
Borers attack the base of the trunk and the crotches of the main scaffold branches.
It is revised each year. Copyright 1999 University of Missouri. Published by University Extension , University of Missouri-Columbia. Ronald J. Turner, Director, Cooperative Extension Service, University of Missouri and Lincoln University, Columbia, Missouri 65211. University Extension does not discriminate on the basis of race, color, national origin, sex, religion, age, disability or status as a Vietnam era veteran in employment or programs.