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Why Is There A Pink Streak In My Russet Potato?

I recently cut into a russet and it had a long line of pink running across top. Looked like I cut it in half and ran a pink highlighter across the length about 1/4 inch from the side. Is that normal?

Most often, a pink or purple streak thru the potato is caused by cold weather during the growing season. Sometimes it is a potato reverting back partially to another variety that may have been crossed with the original at one point. Worst case scenario, is if the colored part turns soft, from a disease known as pink rot. This usually develops in affected tuber tissue when the potatoes are cut and exposed to air for 15 to 30 minutes.

The Idaho Potato Commission

Established in 1937, the Idaho Potato Commission (IPC) is a state agency that is responsible for promoting and protecting the famous "Grown in Idaho®" seal, a federally registered trademark that assures consumers they are purchasing genuine, top-quality Idaho® potatoes. Idaho's ideal growing conditions, including rich, volcanic soil, climate and irrigation differentiate Idaho® potatoes from potatoes grown in other states.

Contact 661 South Rivershore Lane
Suite 230
EAGLE, ID 83616
Phone: 208-334-2350
Fax: 208-334-2274
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Why Is There A Pink Streak In My Russet Potato?

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