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Blackberry spots

some of the blackberries have white spots, what causes this. I'm new to this site and tried looking for this answer but didn't see anything. thanks for helping.

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Location: Upper Piedmont area of Virginia, Zone 7a

Re: Blackberry spots

Where are you located & white kind of spots & where? On the fruit? On the leaves? What variety (if you know it)? Pics would help as well.

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Joined: Fri Jul 25, 2014 7:11 am
Location: Sussex. England

Re: Blackberry spots

I'm assuming that the spots you refer to are on the fruitlets themselves.
This is called raspberry white spot. It affects both raspberries and blackberries.
It's believed to be caused by sun scorch on the berry that causes the little droplet to rupture or breakdown internally.
There is no problem as regards eating the fruit...but it does disfigure it for commercial use.

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