Return to Canola Council Home
Scientific research in Western Canada shows lower yields for canola in short rotations. Blackleg (shown above), clubroot and many other factors can cause this yield loss…
Insects other
-
-
Some farms are seeing more lygus than usual, but most counts are still below thresholds. James Tansey, entomologist for the Saskatchewan Ministry of Agriculture, says higher levels of lygus have been reported in mature canola near Moose Jaw, but the field is “likely too far along to be damaged”… -
While out scouting for insects feeding on pods, you might also find these insects at work. Each of the insects in the quiz will feed on pest insects of canola, which is why we call them "beneficials". You might also call them Field Heroes…
-
While scouting canola fields at flowering and podding stages, dig up a few plants in each field and look at the crown and primary root. If the crop has above-ground symptoms, compare the roots of healthy and unhealthy plants. That might help you discover the problem… -
Respirators for pesticide applicators are NIOSH/MSHA/BHSE approved organic-vapour-removing cartridge with a pre-filter approved for pesticides or a NIOSH/MSHA/BHSE approved canister for pesticides…
-
Insect pressure is low, for the most part. Localized outbreaks of bertha armyworm and other insects could be found, so scouting is still important, but no insect is causing any major damage at this time… -
The most damaging of the 'green' worms is the bertha armyworm, which can be green, brown or black… -
Scouting for the season should start right at emergence. That way you can spot some of the early-season issues featured in this week's photo quiz…
-
Cutworms or wireworms? Check bare patches, and especially the interface between healthy seedlings and dead patches, to confirm the reason for missing plants. It could be cutworms, wireworms, disease or something else entirely…
