Local Agriculture

Genetically modified crops' results raise concern

WashingtonBiotechnology's promise to feed the world did not anticipate "Trojan corn," "super weeds" and the disappearance of monarch butterflies.

But in the Midwest and South - blanketed by more than 170 million acres of genetically engineered corn, soybeans and cotton - an experiment begun in 1996 with approval of the first commercial genetically modified organisms is producing questionable results.