I have Pennington perinal rye on my new pond bank and I would like to know if there is anything I could spray and kill the weeds. Some are very large leafed and I have thistles that are puncturing the tires of my small tractor. Any ideas or is anyone knowledgeable on this situation?

24D mixed in the proper concentrations will kill broadleafs without harming legumes.

Thanks Ric, this is very much appreciated.