doi.org/10.4161/21645698.2014.945883

Here’s a paper discussing the issue.

Corn to teosintes GMO contamination is also huge issue especially in southern states.

20+ years after a failed introduction of GMO RR wheat, they are still finding it in fields.

producer.com/…/cause-of-gm-wheat-escape-unlikely-…

reuters.com/…/usda-investigates-unapproved-gmo-wh…