For the Home Gardener E-299, February 1992 Dean K. McBride, Extension Entomoloigst H. Arthur Lamey, Extension Plant Pathologist Many home fruit plantings are attacked by insects and diseases. Often the infestations have become well established before the grower realizes what has happened. This circular sets up a simple fruit spray guide that will not require much extra time or expensive equipment to do a good job of protecting trees from insects and diseases. Proper use of this treatment schedule will prevent a pest problem from getting out of control.
Sanitation is critical in keeping many diseases in check.
Diseased fruit should be picked off the trees and picked up from the ground. Prune out and destroy black-knot diseased branches. The following spray schedule is set up to provide maximum protection from insects and diseases that are likely to injure fruit trees. Timing the application is extemely important. Black Knot, Plum Pockets Lime sulfur 10 T Apply before buds show green at tips.