Reading Time: 5 minutes The rapid spread of clubroot in the last decade will continue in the coming one if canola growers don’t start to get ahead of the disease. “The resistance is being overcome already, and some of those cases are pretty significant and serious infestations,” said Dan Orchard, agronomy specialist with the Canola Council of Canada. “In […] Read more
The Year That Was: Clubroot continued its deadly march in 2019
The disease didn't make the headlines in 2019 but its assault on Alberta continued
A two-year break can prevent a clubroot horror show
Clubroot spores live for 20 years but new research says a surprising 99 per cent die in two years — if infestations are light
Reading Time: 4 minutes *[UPDATED: Dec. 28, 2018] Still growing a canola-wheat rotation? One more year between canola crops could make a huge difference when it comes to clubroot. “Recent research has shown that 95 to 99 per cent of spores die over a two-year break,” said Dan Orchard, agronomy specialist with the Canola Council of Canada. “We were […] Read more
It’s been perfect conditions for clubroot
Wet conditions not only increase spore counts but may also favour development of strains able to overcome resistant varieties
Reading Time: 2 minutes This year’s wet conditions may leave a nasty legacy — more clubroot infestation and more strains of the pathogen able to overcome resistant varieties. “In the years where there is more wet weather, we expect to have more severe symptoms and more widespread infestation,” said Stephen Strelkov, a University of Alberta professor of plant pathology […] Read more
Extreme infestation may require extreme treatment
In really bad cases, putting a few acres into grass or forages may be the best way to contain clubroot pathogen
Reading Time: 2 minutes Growers with extreme clubroot infestation are being told that the best option might not be to just stop growing canola for a while, but all annual crops in parts of a field. Seeding patches of heavily infested ground to grass or forages is now on the list of clubroot management practices recommended by the Canola […] Read more
Ten is the magic number for canola
Reading Time: 3 minutes In a year like 2015, the little things add up. “If we get lots of moisture early in the spring, you can just about broadcast your canola and it will grow,” Dan Orchard said at the Farming Smarter conference earlier this month. “But when years are tough, that’s when a lot of these little things […] Read more
It was a year like no other for canola crops
Reading Time: < 1 minute It was a year when breaking the rules paid off for canola producers. Seeding deep and seeding late frequently produced better results than seeding early and shallow, which is rarely the case. And reseeding paid off, too. “There were a lot of things that worked this year that I hope you don’t do next year,” […] Read more
The clubroot onslaught continues — but there is some hopeful news
Alberta fields are seeing massive numbers of clubroot spores, but new research has found a 90 per cent drop-off after a two-year break
Reading Time: 3 minutes Clubroot’s march through Alberta is relentless and the level of infestation here is 100 times — or even 1,000 times — worse than in Saskatchewan and Manitoba. But there is a bit of good news: Moving to a three-year rotation is more effective than previously believed, says a Canola Council of Canada agronomist. “New work […] Read more
New canola variety a milestone in the battle against clubroot
Double resistance a big step forward, but clubroot strains are quickly multiplying
Reading Time: 3 minutes A new canola variety resistant to multiple strains of clubroot will hit the market in time for spring seeding. But the new variety from Crop Production Services will only be available in limited quantities and a clubroot expert says growers can’t expect it to be “a saviour.” CPS Canada says the variety, Proven Seed PV […] Read more
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