We are fast approaching the time when you can rate sclerotinia stem rot in your canola. Ideally plants should be rated within a week or so before the crop would normally be swathed (if it was being swathed of course). Once the crop starts to turn, rating stem rot becomes very difficult.  Key characteristics of…

Blackleg is one of the key diseases faced by Prairie canola producers and has largely been kept in check with the use of resistant varieties and crop rotation.  However, over the past 10-20 years there have been concerns regarding observed shifts in blackleg pathogen virulence in response to the major gene resistance used in a…

We are fast approaching the time when you can rate leaf spots in your cereals. Ideally plants should be rated within a week or so before the crop starts to senesce, especially the flag leaf in wheat and the penultimate leaf (second leaf from the head) in barley. Once the crop starts to turn, rating…

This is the fifth weekly PCDMN soil moisture update in relation to the risk of sclerotinia sclerotial germination and potential risk of stem rot of canola. For details on the background of these updates please visit the first, second, third, and fourth weekly updates for 2024 for background on the maps and information on sclerotinia risk assessment….

This is the fourth weekly PCDMN soil moisture update in relation to the risk of sclerotinia sclerotial germination and potential risk of stem rot of canola. For details on the background of these updates please visit the first, second, and third weekly updates for 2024 for background on the maps and information on sclerotinia risk assessment….

There are further reports of rusts in Manitoba as of Monday and also in Alberta. Elsa Reimer and Dr. Brent McCallum, rust pathologists at AAFC Morden reported rust from various MCVET regional variety trials in Manitoba from July 8-9, 2024. These were all from natural sources of inoculum. Observations were as follows: A special thanks…

This is the third weekly PCDMN soil moisture update in relation to the risk of sclerotinia sclerotial germination and potential risk of stem rot of canola. For details on the background of these updates please visit the first and second weekly updates for 2024 for background on the maps and information on sclerotinia risk assessment….

The PCDMN has been contacted regarding another stripe rust report from a field of CDC Pilar wheat in Lacombe County. Steve Ramsay, PSI Farms, Red Deer County, contacted the PCDMN on July 12, 2024 to report the observation of low levels of stripe rust in a field of CDC Pilar wheat (photo below). This report…

Stripe rust alert for Alberta wheat producers July 10, 2024 The Prairie Crop Disease Monitoring Network was contacted July 9, 2024, by Scott Knutt, SJK Agronomy, Lethbridge, AB regarding stripe rust observations he made yesterday in a winter wheat field in Warner County in southern Alberta.  He observed that stripe rust levels were low to…

The PCDMN is in the process of updating our existing disease info cards from Phase 1 of the PCDMN as well as developing new cards. You can access updated and new cards as follows: Barley Canola Cereals Wheat