Tree Fruit Research & Extension Center

Cullage Assessment & Education

Quick Identification Guide to Apple Postharvest Defects & Disorders Cards

Introducing the Defects & Disorders card sets for assisting quality control and cull analysis personnel identify many of the common defects found on the sorting line. The cards are designed to be a quick visual reference guide to insect damage, diseases, physiological disorders, sunburn issues and more. Each card set contains single sided full color pages measuring 6 inches by 4 inches and is bound by a removable screw clasp with a folding loop allowing the set to be hung, or carried in a pocket. Card sets are available through the Good Fruit Grower. Shown below are the introductory cards. The Contents page has live links to the different color coded sections. For ordering information go to Credits & Order Information . The cards shown on this site are slightly modified to accomodate web formatting. Figures may appear fragmented in some browsers. Please report viewing problems here. Any reproduction of the card images or content without permission is in violation of WSU Copyright policies.

 

TABLE OF CONTENTS 

Each Section is Color-coded:   

Introduction

 

Arthropod Damage

 

Diseases

 

Physiological Disorder

 

Mechanical/Field Injury

  Photo Credits:

Fruit Finish

  Most images provided by Wendy Jones

Additional Information

  Other images provided by:
  Mike Doeer, Campylomma
  Elizabeth Beers, Aphids & Apple maggot
  Chang-Lin Xiao, Diseases
  Eric Curry, Lenticel & breakdown disorders
  David Fellicetti, Sunburn browning

 

 

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WSU-Tree Fruit Research & Extension Center, 1100 N Western Ave., Wenatchee, WA 98801 509-663-8181, Contact Us