If you didn’t get a chance to to the pre-harvest disease survey in canola fields, swathing can also be a good time to check. Get out of the swather once per hour to stretch your legs and check for disease. Clip a few stems for blackleg. Dig up a few plants to check for clubroot galls or foot rot. Give those plants a complete scan for other diseases.
Home / Canola Watch / Take time for a harvest disease survey
Was this article helpful?
Let us know if you liked the post. That’s the only way we can improve.
Related Articles
Disease assessment at swathing
Provincial disease surveys are based primarily on pre-swathing counts. Full plants make it easier to accurately identify diseases, and to get severity ratings. Growers may find it easier to check crops while swathing. Stop at five random spots in the field while swathing and check 20 standing plants at each spot. This will give you…
Disease diagnostics
Seeing signs of canola disease but you don’t know what it is? Read this article: Disease to look for while harvest scouting. Watch this video: CCC pre-swath disease scouting video. Use the Canola Diagnostic Tool Suspected foot rot cases have been confirmed in Manitoba, but the main disease issue in those plants was often blackleg.…
Disease scouting at harvest
Harvest is a great time to assess the incidence and severity of canola diseases, an important step in management for next year. Post-swathing disease scouting is possible but results are not as accurate as pre-swath scouting. As plants die down after cutting, the plant’s immune system no longer works and saprophytic organisms start growing rapidly.…
Disease Watch 2018: Before, during and after harvest
Here is a compilation of timely disease tips based on observations in the fields this week. Got blackleg? Blackleg is out there. If average severity is moving beyond 1.5 toward 2 or more, this is a clear sign that the blackleg resistance in the variety is no longer appropriate for this particular field. The blackleg…
