As we approach spring 2021 it’s important that we understand our weed challenges and how they are impacted by both spring and fall weather. While much of Ontario is under snow at the moment, warmer weather is on the horizon. Now is great time think about your herbicide plan for tackling weed challenges in 2021.

Canada fleabane is a weed to watch out for in the spring. Joe Thomas, Nufarm territory manager in southwest Ontario, has some simple, straightforward advice on how and when to control fleabane in fields where you’ll be planting soybeans.

“An early spring means fleabane can grow past the staging window to be effectively controlled so be sure to time your burndown application right,” says Joe. “For best results, products like Bifecta® and BlackHawk® should be applied before fleabane grows to be 10 cm across. The combination of Bifecta and BlackHawk has also shown strong control of glyphosate-resistant fleabane 28 days after application.”

To learn more about application timing, watch Joe’s short in-field demo from 2020 that includes recommendations for pre-seed and pre-emergent weed control with BlackHawk and Bifecta for fleabane and other broadleaf weeds.

Set your soybeans up for success by reducing the amount of weed competition early with an effective herbicide program.


For more information, contact Nufarm at 1.800.868.5444 or your local Nufarm Territory Manager.