Master of disguise! It can be a challenge to correctly identify this weed as it is often mistaken for green foxtail. Don’t be fooled! Not all products that control green foxtail will also control barnyard grass.
Barnyard grass loves warm, moist soil and can easily spread by flooding because the seeds float.
HOW TO DEFEAT THIS VILLAIN
Growing a competitive crop is crucial for keeping barnyard grass at bay. No matter what you're seeding, you will need adequate plant stands in order to compete (think seeding rate, seeding depth and plant available fertility). Although there are registered herbicides to control barnyard grass in a variety of cereal, oilseed and pulse crops, you will want to tackle this weed in the years you grow canola.
- Spring wheat: Axial® Xtreme iPak, Rexade™, Velocity m3, Luxxur™, Traxos®, Varro®, Simplicity™ GoDRI, Horizon® NG
- Barley: Axial® Xtreme iPak, Arial
- Oats: No control options
- Canola: Transorb®, Liberty®
- Peas and soybeans: Viper® ADV
Scout fields thoroughly. Because barnyard grass seeds float, they will show up en masse in low spots on the field when water drains away. This plant will also send out roots at the node to re-establish itself after a light cultivation.
Control barnyard grass in-crop. It germinates at temps above 15°C, and most flushes happen late May to early June. Unfortunately, this baddy will keep coming back through the summer if conditions are warm and moist.
Always read and follow label directions.
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