Q.Everbearing Raspberries
Just as they ripen, they get grey patches on them. Is this caused by bugs or a disease?
Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on August 29, 2011
This sounds like it may be white drupelet syndrome. No one is quite sure why it happens. Some people think it is caused by sunscald while others feel it is pest damage.
This article has a little more info:
http://www.ppdl.purdue.edu/PPDL/weeklypics/9-6-10.html
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