Boasting “season-long” control of some major weed pests, Bayer Crop Science has announced the registration of Corvus herbicide for corn in Eastern Canada. According to the label, Corvus is effective against waterhemp, lamb’s quarters, velvetleaf, sowthistle, yellow and green foxtail, and barnyard and crab grass. Corvus offers three ways of dealing with weeds: as a… Read More

When glyphosate-resistant waterhemp was first discovered in Lambton County in 2014, University of Guelph weed scientist Peter Sikkema never imagined the course the weed would take across Ontario, or the speed it would travel. Fast forward to 2022 and glyphosate-resistant waterhemp has moved 700 kilometres east to Leeds & Grenville County. The invading resistant weed, often… Read More

North America’s most notorious weed has been found in Manitoba. DNA testing has confirmed the discovery of a pair of Palmer amaranth plants in the Rural Municipality of Dufferin, which surrounds Carman. “We knew it was just a matter of time before we see something. These weeds are moving quite rapidly, and unfortunately, we did… Read More

Grain growers are reporting that bluegrass is becoming a growing weedy issue in many Ontario field crops. There are three types of weedy bluegrass species that are being found: annual bluegrass, rough-stalk bluegrass, and Canada bluegrass. As Mike Cowbrough, Ontario Ministry of Agriculture, Food and Rural Affairs weed specialist explains in this Wheat School episode,… Read More

Edible bean growers in Ontario experienced a little bit of everything in 2021 — from excellent soil conditions, to frost and hard-to-find moisture. On this episode of RealAgriculture’s Edible Bean School, host Bernard Tobin and Hensall Co-op agronomist Josh Moffatt explore four different Oxford County fields, and share lessons learned from the spring planting rollercoaster…. Read More

When’s the best time of day to spray herbicides? Morning, noon, or night? University of Guelph weed scientist Dr. Peter Sikkema says that every herbicide has a time-of-day effect but generally speaking, growers get the best weed control at 3:00 pm in the afternoon. That’s Sikkema’s conclusion based on time-of-day efficacy trials he conducted using… Read More

Scouting soybeans is a big part of any Ontario agronomist’s year. Emergence, a consistent plant stand, and seeding depth are the first few things to scout for in the field. Ryan Benjamins, who owns and operates Benjamins Agronomy Services, gives tips for scouting soybeans and what to consider further along in the growing season, in… 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