Table of Contents
Each section is color-coded.
Introduction (Red)
Arthropod Damage (Teal)
Diseases (Brown)
Physiological Disorders (Green)
Mechanical/Field Disorders (Yellow)
Fruit Finish (Blue)
Additional Information (Rust)

Photo credits:
Most images provided by Wendy Jones. Additional images provided by: Mike Doerr, Campylomma; Elizabeth Beers, aphids and Apple maggot; Chang-Lin Xiao, disease images; Eric Curry, lenticel and breakdown disorders; David Fellicetti, Sunburn browning.