Posted 12/23/2015 07:40 (#4980748 - in reply to #4980192) Subject: RE: Common ragweed SB
Eastern Iowa
First Rate is really good on ragweeds. It is an ALS herbicide so need to rotate modes of action in following years. Agree with other poster that ragweeds are a resistance concern. Giant rag is a beast of a weed here.
Common ragweed SB
