Tree Fruit Research & Extension Center

Cullage Assessment & Education

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Quick Identification Guide to Apple Postharvest Defects & Disorders Cards

Introduction

Introducing the new 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 Additional Information on this page. The cards shown below 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.


Tree Fruit Research & Extension Center  

Card cover page

Quick Identification Guide to Apple Postharvest
Defects & Disorders

 Compiled & Edited by:

Wendy Jones & Jay Brunner
Dept. of Entomology
Eugene Kupferman
Dept. of Horticulture
Chang-Lin Xiao
Dept. of Plant Pathology

 

WSUlogo


TABLE OF CONTENTS 

Each Section is Color-coded:   

Introduction

 

Arthropod Damage

 

Diseases

 

Physiological Disorder

 

Mechanical/Field Injury

 

Fruit Finish

  Photo Credits:

Additional Information

  Most images provided by Wendy Jones
  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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INTRODUCTION 

Introduction card

The Quick Identification Guide was designed to be an easy reference for packinghouse quality control workers. It should help to identify the most common defects and disorders encountered both before and after storage. The guide includes different types of disorders, such as Arthropods (insects & mites), Diseases, Physiological, etc., that are grouped in color-coded sections for easy searching.
Several of the disorders shown here have given the industry difficulty because they either look very similar

to other disorders, or are the subject of disagreement as to their cause. For the purpose of this guide, only a name for the defect is given without assigning a specific cause. It is hoped that by assigning a standard name to the defect, a better accounting of the incidence can be determined.
The cards in this set are intended to be separate modules. This will allow for updates and additions to be provided as new information becomes available.


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ADDITIONAL INFORMATION  

Acknowledgements

Initial funding for development and printing of this guide was provided by a grant from Northwest Horticultural Council & USDA/Foreign Agricultural Service

Special thanks to:

Eric Curry, USDA/ARS-Wenatchee, for technical review of physiological disorders;
Larry Schrader, WSU/TFREC Wenatchee, for technical review of fruit finish;
Mike Willett, Northwest Horticultural Council, for other technical assistance.

Published & Distributed by:


Good Fruit Grower


a division of the
Washington State Fruit Commission
105 South 18th Street, Suite 217
Yakima, WA 98902
Phone: (509) 575-2315 or (800) 487-9946
fax: (509) 453-4880  www.goodfruit.com

To order or re-order

Quick Identification Guide to Apple Postharvest Defects & Disorders Card Set(s)

Price: $25US + tax/shipping/handling

Copyright © 2007

Washington State University
Tree Fruit Research & Extension Center
1100 N Western Ave., Wenatchee, WA 98801

 

 

 

 

 

 

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