Genetically modified wheat: Discovery in Oregon field re-ignites a scientific dispute

Stunned researchers at Oregon State University couldn't help but question themselves. Once, twice, three times in early May -- in two different labs -- they analyzed DNA extracted from wheat plants grown on an eastern Oregon farm.

A farmer's attempt to kill the plants with weedkiller had failed, and a growing cadre of university and state agriculture officials wanted to know why. With each test, the result was the same: The wheat had been genetically modified to resist glyphosate, the key ingredient in the herbicide Roundup.

Read more in the Oregonian »