If the immature potato tubers are harvested, the outer tissues are rapidly loosened. This disorder of potato is termed as . . . . . . . .

If the immature potato tubers are harvested, the outer tissues are rapidly loosened. This disorder of potatoes is termed Feathering.
Potato skin that becomes scuffed or starts rubbing off is known as skinning or feathering. This happens when unripe potatoes are handled roughly and cause the skinned area to become dark if exposed to wind, sun or dry air.