GFM Network News


The first confirmed clubroot cases in the Municipal District of Smoky River (Peace region) and in the Counties of Grande Prairie (Peace region) and Wheatland (east of Calgary) were found in 2020.

And the canola disease surveys say…

The 2020 numbers on blackleg, sclerotinia stem rot, clubroot, verticillium stripe and others across the Prairies

Western Canada’s crop disease specialists have spent the past few months finalizing results from canola field disease surveys executed during the 2020 growing season. Blackleg According to those surveys, 45.4 per cent of 350 canola fields and five mustard fields evaluated across Alberta in 2020 had blackleg. The average rate of infection was 6.4 plants […] Read more

There were many unhealthy-looking plants with blackened stems that had developed cankers near the soil surface. The plants were also suffering from premature stalk drydown.

Crop advisor casebook: Canola shelling out while swathing

A Crop Advisor's Solution from the January 5, 2020 issue of Grainews

Jeff is a farmer located near Brandon, Man., who grows canola, wheat and soybeans. He was out swathing a canola field in early September when he decided he should give me a call. The crop, which was at 70 per cent seed colour change, appeared to be shelling out while it was being cut and […] Read more


Vigilance needed with blackleg on the rise

Vigilance needed with blackleg on the rise

Adopt best management practices and rotate resistance gene groups

Blackleg in canola hasn’t got out of hand across Western Canada yet, but it is on the rise, says a Canola Council of Canada (CCC) specialist who advises farmers to scout fields and consider rotating into different disease-resistant varieties to reduce the risk of disease buildup. There is still time this spring before seeding to […] Read more

The affected canola plants were stunted and had prematurely ripened. When I pulled up a few plants to look at the roots they appeared normal.

Crop advisor casebook: What’s causing these undersized, odd-coloured canola stems?

A Crop Advisor's Solution from the January 21, 2020 issue of Grainews

John, who grows mainly wheat, canola and peas on his farm near Canora, Sask., called me in late August to report a problem his swather operator had spotted while swathing a canola field. Within the field, he said, there were numerous patches with canola plants that were undersized and had odd-coloured stems. John hadn’t seen […] Read more



Recent Australian canola seed varieties grown. Data source: Syngenta analysis, presented in 2019.

Fighting blackleg Down Under

Australia's battle to hold back blackleg has had its share of success

Speakers at Syngenta’s launch of Saltro, a new seed treatment, explained that Australian farmers have a different, more conservative approach to blackleg. In 1973, said Steve Marcroft from Marcroft Grains Pathology in Australia, “blackleg completely destroyed the crop.” For 15 years after that, there was very little canola grown in Australia. In the late 1980s, […] Read more


Five ways to help keep blackleg out of your fields

Five ways to help keep blackleg out of your fields

Three out of four fields in Western Canada are showing blackleg,” said Justine Cornelson, agronomy specialist with the Canola Council of Canada. For the last 10 years or so, the incidence of blackleg has been low on the Prairies, but lately, she said, “we’re starting to see a slight trend upwards.” Cornelson was speaking at […] Read more

Foreign Minister Chrystia Freeland told the Canadian Crops Convention March 6 the Canadian government is trying to restore Richardson International’s canola exports to China. (Allan Dawson photo)

Canada working to end China’s canola block, Freeland says

Montreal — The Canadian government is working hard to reopen Richardson International’s Canadian canola markets in China, says Chrystia Freeland, Canada’s minister of foreign affairs. “We’re working closely with Canadian farmers and Canadian industry,” Freeland said in a brief interview after speaking at the Canadian Crops Convention (CCC) here Wednesday. “Our embassy is very focused […] Read more


Canola Council of Canada president Jim Everson says China’s block on Canadian canola has now expanded beyond just shipments from Richardson International. (Co-operator file photo by Allan Dawson)

China’s block on canola seen as blowback from diplomatic spat

Montreal — Canola industry leaders attending the first Canadian Crops Convention here this week say they don’t know why China has abruptly blocked imports of Canadian canola from Richardson International, Canada’s biggest grain company. But according to a senior Richardson official it’s in retaliation to the diplomatic spat between China and Canada over the arrest […] Read more

blackleg in canola

New labels for blackleg resistance

New “groups” for blackleg resistance on some canola seed this spring

Agronomists agree the best way to control blackleg in canola is rotation — only growing canola once every three years, at most. Besides rotations, scouting and fungicide can help in the fight against blackleg. And, last spring a new item was added to the list of blackleg-fighting tools: a new labelling system. This season, you’ll see some new letters on some of your seed […] Read more