The Agronomists, Ep 110: Early weed control strategies and tank mix talk with Mike Cowbrough and Tammy Jones

Early season weed control, tank mix tips, troublesome weeds, and a whole lot more are the focus on this episode of The Agronomists.

Host Lyndsey Smith is joined by Mike Cowbrough of the Ontario Ministry of Agriculture, Food, and Rural Affairs (OMAFRA), and Tammy Jones of Corteva Agriscience.

This episode of the Agronomists is brought to you by ADAMA Canada, The Sharp Edge, and Profitable Practices.

Catch a new episode of The Agronomists Monday at 8 pm E!

SUMMARY:

• We are seeing the typical weeds we are seeing at this time of year….maybe it means we are on track?
• The weed scientists are waiting for the weeds to emerge in Western Canada.
• How well would a herbicide help on brownish weeds?
• In the east there is worries about it being too cold for herbicides, re: crop injury. But, with colder weather, comes crops being a bit behind too, so that’s something to keep in mind
• Its tough in a forage crop to manage dandelions. You are not alone in this.
• What about the dreaded “T” word? (tillage)
• There are certain weeds that do require tillage, however. It’s just how it goes. We have a love-hate relationship with it.
• Timing is everything
• There’s different types of plows, especially more in Europe. Allows you to plow, but at different depths.

CLIP 1: Soybean School: Warm weather creates spring weed challenges

• Once you till — in a perfect world, wait until after the corp is emerged to make a pass with the sprayer. Otherwise, it’ll largely be an ineffective application
• Where are we at with managing resistant wild oats? There are a few tools in a tool box. Most are long term strategies
• Cover crops! Keep that ground covered. Especially if you use specific crops targeted at reducing some of the hardier weeds, like cereal rye for fleabane.
• Micromoles of BOA can be really hard to determine
• Cultural practices can be as effective as modes of action
• Antagonism in the tank
• Sometimes we add as many modes of action into the tank for efficiency sake…but, this isn’t always the best bang for your buck
• Pre-seed burnoff: is it worth it? Especially when times get tight? It often pays off, because of the critical weed free period
• Chase the sprayer, not the other way around
• Can I lower water volumes, or not? Depends on the product! Read your labels!
• Where you really don’t want to cheat on water volumes is on contact herbicides
• More is always better when it comes to water, but there are always more factors
• Ultimately, keep your weeds to yourselves

Related:

Wheat School: Cultural practices as effective as a new mode of action

Help for growers managing multiple herbicide resistance waterhemp

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