A preventive spray program can be used to protect your apple tree against a variety of pests. This program can be tailored to the specific resistances to the cultivar of apple tree you are growing.

Necessary supplies are:
Necessary supplies are: a sprayer device (with at least 1-gallon capacity), light hort oil or dormant oil spray, lime sulfur fungicide, commercial insecticidal soap, Bacillus thuringiensis (BT) insecticide, a sulfur-based fungicidal spray, Bordeaux mixture fungicide, and a surfactant (sticker) to help the other materials stick to the leaves.