Tree Fruit Research & Extension Center

Cullage Assessment & Education

Quick Identification Guide to Apple Postharvest Defects & Disorders Cards

 

 

Fruit Finish

The Fruit Finish section of the card set includes sun and heat induced disorders found in Washington apples. This includes sunburn browning, sunburn necrosis and photo-oxidative sunburn (previously refered to as Type III sunburn). At a later date more cards may be developed for this section which would include any emerging or reclassified disorders. For ordering information visit the Order Information section of the Introduction. 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.

 

Comparison of Sunburn Symptoms on Gala

From left to right: Sunburn necrosis, Sunburn browning, and Photo-oxidative sunburn

Image credit: Dr. Larry Schrader, WSU Emeritus Faculty, Horticulture/TFREC

 

 

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