Oregon Senator Ron Wyden wants an answer to the mystery of the genetically modified wheat found growing in an Eastern Oregon field.
The East Oregonian newspaper reports that the Democratic senator visited with wheat farmers in Pendleton this week.
His visit comes just two weeks after the Oregon Wheat Growers League asked the U.S. Department of Agriculture to more directly address the concerns of overseas markets.
Japan and South Korea have suspended new orders of soft white wheat.
The two countries represent about 50 percent of Oregon wheat exports.
Wyden says farmers should be able to move forward with an uninterrupted harvest season. Wheat harvest is less than two weeks away.