Home Crop Monitoring You said it: The hard-to-control weeds you love to hate

You said it: The hard-to-control weeds you love to hate


With the crops beginning to emerge, so are the weeds. Just lately, the Weed Science Society of America (WSSA) printed a survey that ranks the commonest and troublesome weeds in 2020.

The survey sparked this week’s query on RealAg Radio’s Farmer Speedy Hearth: what weed is probably the most troublesome for you? Which one actually makes you cringe as quickly as you see it rear its not-so-pretty head?

Michael Groot, of Crediton, Ont., says for him, it varies yr to yr, relying how briskly he can sort out the weeds.

“I’ve been having a heck of a time with burdock lately. Last year it was sow thistle that was a bit of an issue, but burdock really seems to be there this year,” Groot says.

Dwayne Leslie, of Poplar Level, Man., says the troublesome weed on his farm goes again to the truth that they grew sunflowers for many years.

“I think I’d have to say pigweed,” he says. “It was such a tough one to control for the long growing season, so every time there’s one plant, there’s another million in seeds that gets replanted. It’s something that I’m sure we’re going to have to deal with for a few generations.”

Jim Wickett, of Rosetown, Sask., says his most troublesome weed seems as a result of they develop so many pulses — lentils particularly.

“We’re in a yellow mustard area where it’s just crazy. The countryside is yellow if you leave it. And we’re resistant to all the Group 2 chemicals from that. My money crop is lentils, so that’s my biggest weed battle I have, is resistant mustard.”

Ryan Kasko, of Coaldale, Alta., says they get lots of the barnyard weeds.

“Round-leaved mallow or something like that is what we are dealing with from our manure. We’re trying to do a little better of a job at composting, and that will get rid of a lot of the weed seeds we are dealing with,” says Kasko.

Michelle Jones, of Billings, MT., says it’s the grassy weeds which might be hardest to management in her operation.

“Rattail fescue. It’s grass that is very, very difficult to control. There’s about one chemistry that will control it, and that’s if you have the perfect conditions in the fall to get it activated. So that is probably my personal biggest issue. However, for the whole farm, I’d say cheatgrass is the worst,” says Jones.


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