Every selection tool shifts the weed spectrum, and that includes farmer-controlled decisions such as tillage, crop rotation, and seeding rate. It also includes non-farmer controlled selection tools, such as wet or dry weather cycles. To unpack what we can learn from shifting weed patterns, we go to Mike Cowbrough, weed specialist with the Ontario Ministry… Read More
Tag: Tammy Jones
Welcome to this mid-week edition of RealAg Radio, guest-hosted by Lyndsey Smith today. On the show you’ll hear: Mel Luymes, with Ontario Soil Network, who talks about an online soil road trip; An InVigor product spotlight with Nicolea Dow, farmer from Portage la Prairie, Man.; A clip from the most recent episode of The Agronomists,… Read More
It’s evolving into a rather odd year for pre-harvest weed control in parts of Western Canada as a return of some moisture has meant sprouting swaths, and monster weeds. In Ontario, an accelerated season means plenty of farmers are making the dry-down decision on edible beans this week. From pre-harvest weed control, to swapping to… Read More
One of the reasons weed species can be so difficult to get ahead of is because of their ability to adapt to conditions. Herbicide labels often refer to weed size when targeting the ideal control window, but in dry conditions weeds can stay small while rapidly move towards maturity. Mike Cowbrough, weed specialist for the… Read More
From fleabane, to wild oats, to kochia and Palmer amaranth, which weed is the toughest to kill on the farm? For this episode of The Agronomists, host Lyndsey Smith is joined by Mike Cowbrough, weed specialist with the Ontario Ministry of Agriculture, Food and Rural Affairs, and Tammy Jones, technical sales agronomist with Corteva AgriScience, to… Read More
After wreaking havoc in the U.S. and parts of Ontario, herbicide-resistant waterhemp has arrived on the scene on the eastern side of the Canadian Prairies. Patches of the prolific weed — a cousin to Palmer amaranth — were found in multiple fields in five municipalities in Manitoba last year. In one case, over 30 acres… Read More
Glyphosate-resistant kochia is spreading quickly across the Prairies, but right now farmers are only seeing the “tip of the iceberg”, according to the weed specialist with Manitoba Agriculture. Kochia populations showing some level of glyphosate resistance in Manitoba rose from one per cent in 2013 to 59 per cent in 2018, according to the latest… Read More