Herbicide resistance

Windsor Morning

A weed found in some farm fields in the Windsor-Chatham-Sarnia triangle is proving hard to kill. It's called waterhemp and it's now been found to be resistant to even more types of herbicides. Unless researchers find some way to control it, it could cost farmers dearly. Tony speaks with Peter Sikkema, a researcher from the University of Guelph's Ridgetown campus.

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