Now that Verticillium longisporum has been found in Canada, the Canadian Food Inspection Agency is working on getting a handle on the distribution of the new disease threat to canola. The verticillium wilt pathogen, which has caused significant economic losses in Europe’s rapeseed crop, was found in a canola trial plot at an undisclosed research... Read More
Category: Canola
After ramping up efforts to test for clubroot disease over the last year, Manitoba Agriculture, Food and Rural Development has confirmed the presence of the nasty soil-borne pest in 48 fields within the province. The provincial ag department has released an updated map showing positive clubroot cases by rural municipality (see below), while noting "positive... Read More
Frost has taken a toll on the canola crop in Western Canada over the last few weeks. In some cases, where temperatures dropped well below -2 degrees for an extended period, the decision to reseed is easy. However, the replanting decision is more complicated in most instances. As part of this Canola School episode, Anastasia... Read More
Unless it's too late and you've already found clubroot symptoms in your canola, you won't know whether you have it without getting tested. This Canola School episode focuses on testing for clubroot and how to go about determining whether clubroot spores are present in the soil. Finding the nasty soil-borne disease when spore loads are... Read More
Do you know how many of your canola seeds turned into viable plants? Frost damage, weeds and insect pests aren't the only things to look for in canola fields as the plants pop out of the ground. Seed survival should also be assessed, emphasizes Angela Brackenreed, agronomy specialist with the Canola Council of Canada in... Read More
Resistance to clubroot disease in canola is deteriorating across Alberta, according to research conducted by Alberta Agriculture and the University of Alberta. Multiple pathotypes are now suspected to be responsible for infecting canola varieties that were previously deemed resistant to the soil-borne disease. The presence of a different clubroot pathotype that could infect resistant varieties... Read More
With seeding underway, it's easy to switch the drill from cereals to canola and just continue rolling. However, Angela Brackenreed of the Canola Council of Canada has a reminder in this wet and windy Canola School episode: a clean, weed-free start to the growing season is more important than an early start. Dig into the... Read More
Rotation is generally a critical part of mitigating any disease resistance problem. When it comes to preventing the breakdown of resistance in blackleg-resistant canola varieties, the first line of defence is an extended crop rotation with non-host crops. Beyond that, growers can also rotate the canola varieties they're growing, suggests Anastasia Kubinec, oilseed specialist with... Read More
The value of a load of canola delivered to an elevator can vary by a few hundred dollars depending on the sieve used by the elevator to determine dockage. According to the Official Grain Grading Guide, an elevator can choose between five different slotted sieves, with slots ranging in size from 0.028 to 0.040 of... Read More
Brassicogethes aeneus, commonly referred to as the pollen beetle and formerly known as Meligethes aeneus, is a major pest of canola in countries like Scandinavia, and, is now present in eastern Canada. And, though they are not yet a problem in western Canada, entomologists are suggesting we become familiar with what to look for. "One... Read More