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Over the past few years, tall waterhemp (Amaranthus tuberculatus<\/em>) has emerged as one of the most invasive and herbicide-resistant weeds in Qu\u00e9bec and Ontario crop fields. First identified in Qu\u00e9bec in 2017, this U.S.-native species is rapidly spreading, and the economic impact on growers is significant.<\/p>\r\n

An Aggressive, Hard-to-Control Weed<\/strong><\/p>\r\n\r\n