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A plug of sclerotinia mycelium is attached to a canola stem with Parafilm.
Canola, Crops

Measuring sclerotinia resistance

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How exactly do researchers and plant breeders separate the susceptible from the partially resistant? They use the stem test. The stem test simulates natural sclerotinia infection of canola, Lone Buchwaldt of Agriculture and Agri-Food Canada explains. Typically spores colonize petals that adhere to the plant stem. The leaf axle is a hot spot for infections, […] Read more
The most-resistant new lines have stem lesions less than 20 mm. The variety shown here is a resistant variety.
Canola, Crops, News

More sclerotinia resistance coming soon

Researchers are identifying lines with more-robust sclerotinia resistance

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There’s good news on the horizon for growers and agronomists wrestling with sclerotinia in canola. Researchers with Agriculture and Agri-Food Canada (AAFC) have identified several canola lines with more-robust resistance to sclerotinia. They’ve also learned more about the sclerotinia pathogen and the sclerotinia resistance genes found in some canola lines. Researchers screened nearly 500 Brassica […] Read more
A canola field starting to bloom at the end of June near Fairholme, Sask. Barb Ziesman, provincial specialist in plant disease, says the environment was perfect for disease development across Saskatchewan in 2016.
Canola, Crops

Farmers frustrated by sclerotinia

Sclerotinia was rampant in 2016,
 sometimes even for farmers 
who sprayed fungicide

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If you had a tough time with sclerotinia in your canola crop this past year, you’re not alone. “It is still probably one of the most frustrating diseases that producers deal with,” says Barb Ziesman, provincial specialist in plant disease with Saskatchewan Agriculture. The environment was perfect for disease development across Saskatchewan, says Ziesman. Saskatchewan Agriculture’s annual canola […] Read more
Cargo ship loading grain
Canola, Cereals, Columns

Imports and exports by the numbers

Russia is rising and South American beans are finding easier pathways to the ports

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Changes to grain handling and transportation infrastructure in two key regions of the world will impact Canada’s competitiveness. These areas are the Black Sea region and South America. Russia’s overall grain production (wheat, barley and corn) has grown 70 per cent in the last 10 years to 94.5 million tonnes. Exports have had their ups […] Read more
Flea beetle damage on a canola seedling.
Canola, Crops

Keep your canola standing strong against flea beetles

Agronomy tips... from the field

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When coming up with a flea beetle defence strategy, it’s important to remember that flea beetles overwinter in your field as adults. That means they’re right there, just waiting to feed as soon as your canola crop emerges in the spring. Canola seedlings can compensate for flea beetle feeding and recover — just so long […] Read more
Blackleg was found in more than half of fields surveyed in Saskatchewan, however, where it was found, on average, only 12 per cent of the surveyed plants were infected.
Canola, Crops, Features

Saskatchewan canola disease survey

Field surveyors found sclerotinia in almost all Saskatchewan fields in 2016

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The incidence of sclerotinia stem rot in Saskatchewan oilseed crops was up in 2016, said Matthew Bernard, Saskatchewan provincial oilseed crops specialist. Bernard presented the results of the Saskatchewan Ministry of Agriculture’s 2016 canola disease survey at Oilseed Producer Meetings around the province in mid-November. In Weyburn, Bernard told oilseed growers, “there were 224 canola […] Read more
Midge larvae inside a canola floret. Federal researchers have documented a new midge species in Prairie canola that differs significantly from the swede midge it was believed to be. (AAFC photo by Julie Soroka from CanolaWatch.org)
Canola, Crops

Anonymous midge appears in Prairie canola

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Canola crops in northeastern Saskatchewan and east-central Alberta have run up against a potential pest problem so new it doesn’t yet have a name. Researchers with Agriculture and Agri-Food Canada, the University of Guelph and the Canadian Food Inspection Agency have reported a new species of midge damaging canola crops in those areas. The species […] Read more
CPT small plot data is now online
Canola, Crops

CPT small plot data is now online

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Small plot data from the 2016 Canola Performance Trials has been posted online. At the CPT website you can look up average yield, height, lodging and days to maturity for tested canola varieties. Filters on the website let you look for results in specific locations, and directly compare one variety to another. These small plots […] Read more

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