Rick Fritz territory representative and Dr. Frank Wong From Bayer are here to collect samples of break through of Goose grass plants. These samples will be sent to the research and development center in North Carolina. Once the plants are at the lab,testing will be done to see if there is a resistant to the pre emerge Herbicide. At this time there is NO known resistant to the herbicide Ronstar. Bayer has done a good job with the customer support and trying to figure out this problem.