Determining rust risk, telling tan spot from septoria, and identifying a bacterial infection are all key to keeping the cereal crop’s solar panels (leaves!) clean and in top form. For this episode of The Agronomists, host Lyndsey Smith is joined by plant pathologists Holly Derksen with UPL, and Dr. Kelly Turkington with Agriculture and Agri-Food… Read More

Do wheat varieties perform in line with the ratings provided during the registration process? When it comes to fusarium head blight tolerance, the short answer is yes, but the long answer is it depends on the year. Holly Derksen, plant pathologist with Manitoba Agriculture, explains that the province has been tracking resistance performance of wheat… Read More

Stripe rust was reported in early spring in Alberta, likely having over-wintered in the southern part of the province, and now there are reports in Manitoba of the fungus arriving on winds from the U.S. In this Wheat School episode, Holly Derksen, plant pathologist with Manitoba Agriculture, Food and Rural Development, describes how stripe rust inoculum moves north from the… Read More

Another gene that has provided resistance to crown rust in oat varieties grown in Western Canada is losing its effectiveness. The Pc91 gene was a source of resistance to crown rust in some of common varieties in recent years, including Souris, Stainless, HiFi, AAC Justice and CDC Morrison, but changes in the crown rust pathogen population in… Read More

With clubroot disease showing up in fields east of Alberta over the last few years, there’s work underway in Manitoba to survey the entire canola-growing region of the province for the presence of clubroot spores. So far, spores or symptoms have been found in 13 fields in 10 rural municipalities in Manitoba. Spore concentrations in… Read More

 

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