Waterhemp is a cross-pollinating species, which improves its ability to develop herbicide resistance.

Weed of the week: Waterhemp

The challenging weed rapidly develops resistance, so rotating herbicides is critical

Waterhemp can be controlled through a variety of approaches, but identification is often difficult. The weed — a non-native member of the pigweed family first discovered in Lambton County in […] Read more



Glyphosate has become the most commonly used herbicide in the world, especially because of herbicide-resistant crops like soybeans.

Using glyphosate wisely

Glyphosate breaks down in the soil but buildup is shown to affect phytoplankton

Researchers from the University of Quebec say farmers might want to use glyphosate more sparingly — and for reasons beyond herbicide resistant weeds. Why it matters: Glyphosate may be comparatively […] Read more