waterhemp Archives | Page 2 of 2

Proudly Canadian

The hairless stem of a waterhemp (right), compared to the hairy stem of the pigweed (left) is the easiest way to differentiate the two species.

Waterhemp difficult to distinguish from pigweed

Using herbicide programs effective on pigweed, should cover waterhemp too, so far

By Jennifer Glenney June 18, 2019

Waterhemp and pigweed species are difficult to differentiate, until they become larger – often past the ideal stage to control the waterhemp species. Mike Cowbrough, weed specialist with OMAFRA, says […] Read more

Each waterhemp plant can produce one million seeds, with some producing up to five million.

Crops

Glyphosate resistant waterhemp moving across Ontario

With its method of pollination and resistance abilities, the weed is becoming harder to control

By Jennifer Glenney April 10, 2019

Glyphosate-resistant waterhemp is now present in seven counties across Ontario. Huron, Wentworth and Haldimand are the three most recent counties where it was found, in addition to the previous Essex, […] Read more