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P&PDL Picture of the Week

Bitter Pit or Cork Spot of Apple

Carrie Lapaire, Botany & Plant Pathology Department

Bitter pit and cork spot are physiological disorders caused by a calcium deficiency in the developing fruit. The damage affects the surface of the fruit and does not not affect taste or texture (spots are slightly corky) of the apple. (On a personal note,I thought it was delicious!)

For more information, refer to: http://ohioline.osu.edu/hyg-fact/1000/1403.html

Click on the small image to view a larger image.

Bitter Pit or Cork Spot of Apple
Bitter Pit or Cork Spot of Apple
(Photo by Phil Harmon, Botany & Plant Pathology Department)

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Last updated: 28 October 2001/tlm.
The Plant & Pest Diagnostic Laboratory at Purdue University.