Posted 12/5/2011 22:48 (#2086821 - in reply to #2086569) Subject: Re: soybean chemicals
Central Indiana
Authority Assist is pretty good on mustard. You can spray it at planting, up to three days after planting but before beans are up. Something with chlorimuron (Canopy) or cloransulam(FirstRate) in it would have a little better residual control on broadleaves. Authority First and Authority XL may better depending on the price difference.