One weed is threatening to overtake farms with its resistance to not one but five powerful herbicides.

Image of crop field with a yellow hazard sign saying 'One Pass Zone', and a text overlay that says 'One Pass. Zero Doubts.'

Corvus® pre-emergence corn herbicide uses two modes of action to deliver consistent control of grass and broadleaf weeds in just one pass. Explore more in this interactive learning module and earn CCA CEU credits when you pass the accompanying quiz.


Let’s face it: Weeds are a constant threat. They can interfere with crop growth and limit yield potential. Bayer’s herbicides fight weeds with a vengeance; controlling weed pressure and providing reliable, season-long control and burndown solutions. These herbicides may utilize multiple modes of action to help combat glyphosate-tolerant and resistant grass and broadleaf weeds.

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