Trifluralin is the mainstay for controlling broad-leaved weeds in brassica leaf and root vegetable crops. And because it is the only pre-emergence herbicide with grass weed activity, for some it ...

The problem was that all the potential options, Sencorex (metribuzin), Gamit (clomazone), Artist (flufenacet + metribuzin) and Defy (prosulfocarb) were even weaker against polygonums.