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The Saskatchewan Ministry of Agriculture is planning its annual canola disease survey. Part of the survey involves soil sampling and DNA-based testing for the presence of the clubroot causal agent. The DNA test detects the clubroot pathogen at levels lower than those required to cause visible symptoms in the field, thereby providing an early assessment of disease risk before yield…
Canola Watch Posts
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Surviving weeds are growing strong and some of them — like kochia and wild oats — start to look really obvious by this time of year… -
Patches that seem to be maturing early while the rest of the crop is still green do warrant closer inspection. With all the rainfall in some areas, die-off due to excess moisture could be the prime suspect — but check anyway. It could be disease…
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If it does not straighten up, the result can be higher levels of sclerotinia stem rot and harvest challenges… -
Some of the earliest canola fields will show seed colour change over the next two weeks. For those growers, we provide this short primer on swath timing and straight combining… -
Pod-eating insects — including bertha armyworm, lygus and diamondback moth larvae — are at low levels in general in 2016. The biggest factors regulating insect populations are (1) weather, (2) natural enemies and (3) competing food sources. Each is working in favour of lower insect pest pressure this year… -
Three thrips species will feed on canola in Canada and only one — western flower thrips, (Frankliniella occidentalis) — causes pod curling… -
You may find quite menagerie of insects in your net after 10 sweeps. Can you correctly identify these five?…
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Learn to tell the difference between common lesion-causing diseases — blackleg, sclerotinia stem rot and alternaria black spot…