Know herbicide carryover risk in fields for canola

With many growers upping their canola acres, canola is often going on fields that were not planned for canola when growers were doing their herbicide applications last year. Check herbicide records to see if the field had a group-2 product last year, particularly a known residual product such as imazethapyr found in Odyssey and other products. Growers need to check herbicide history to ensure safety when seeding a Roundup Ready or Liberty Link canola. Read this attached PDF for canola recropping instructions after various herbicide applications: 2010 recropping and residual herbicide considerations.pdf