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Post by diane on Aug 22, 2012 23:32:13 GMT -5
Even when my purple potatoes are near the surface, I have never been able to tell if they have 'greened'.
Do they change colour some other way if they have been exposed to light?
Do I need to pay attention as I'm digging and just throw out any that are at the surface?
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Post by steev on Aug 23, 2012 0:51:19 GMT -5
Plant the ones you think are suspect.
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Post by DarJones on Aug 23, 2012 1:17:48 GMT -5
While they don't go "green" like a white potato, purple potatoes will produce solanine when they are exposed to light. You can taste of them and if they are bitter, then don't eat them. The solanine accumulates heaviest just under the skin so that is the part to taste to tell.
DarJones
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