In-Season Updates

  • 2023 Cereal Rust Risk Report (June 7-13, 2023)

    The latest Prairie wind trajectory cereal rust risk report is available for download now at the following link: June 7-13, 2023 report.   As of the period of June 7-13, 2023 the overall Prairie cereal rust risk assessment and need for in-crop scouting is as follows:  Pacific Northwest – There was a lower number of reverse wind…

  • New for 2023: Prairie Soil Moisture Maps

    Background June is an important month in terms of field crop pathogen and disease development for Prairie farmers.  For cereals and pulses initial leaf disease infections occur and with favourable weather conditions secondary development and spread takes place.  Fungicide use decisions for these leaf diseases can be based partly on disease symptoms, but also consideration…

  • 2023 Cereal Rust Risk Report (Mini update for June 7-13, 2023)

    The full weekly cereal rust risk report for June 7-13, 2023 will be delayed as we are waiting on location specific wind trajectory data for the Pacific Northwest (PNW) and the Kansas/Nebraska (KS/NE) regions.  However, in terms of total trajectory numbers there was a substantial reduction in the number of trajectories from the PNW (40…

  • Sclerotinia Risk Assessment Tool – Beta-testers needed for the 2023 season

    The availability of plant disease risk assessment tools to guide farmers and the crop consultants they are working with is an important component of the fungicide decision process.  To help guide farmers and crop consultants with sclerotinia stem rot risk assessments a tool has been developed.  Chris Manchur, Agronomy Specialist – Eastern Manitoba, Canola Council of Canada, has…

  • 2023 Cereal Rust Risk Report (May 31-June 6, 2023)

    The latest Prairie wind trajectory cereal rust risk report is available for download now at the following link: May 31-June 6, 2023 report.   As of the period of May 31-June 6, 2023 the overall Prairie cereal rust risk assessment and need for in-crop scouting is as follows:  Pacific Northwest – Even though there were a…

  • Wheat leaf flecking observed in the Crossfield region of Alberta on June 2, 2023

    In June of 2022, unusual leaf symptoms were reported in Alberta wheat and barley crops.  Initially, the concern was the development of leaf diseases.  However, following discussions with Tyler Wist, AAFC Saskatoon, Jennifer Otani, AAFC Beaverlodge, and Hector Carcamo and Haley Catton, AAFC Lethbridge, it was concluded that the white flecking was due to feeding…

  • Wheat streak mosaic in southern Alberta, 02-June-2023

    Wheat streak mosaic in southern Alberta, 02-June-2023, Dr. M. Harding, AAI, Brooks, AB Wheat streak mosaic (WSM)  is a disease caused by the wheat streak mosaic virus (WSMV). The virus is vectored by the wheat curl mite. The virus and vector do not normally overwinter in Alberta unless they can infect a “green bridge” host…

  • 2023 Cereal Rust Risk Report (May 24-31, 2023)

    The latest Prairie wind trajectory cereal rust risk report is available for download now at the following link: May 24-31, 2023 report.   As of the period of May 24-31, 2023 the overall Prairie cereal rust risk assessment and need for in-crop scouting is as follows: Pacific Northwest – Even though there were a number of…

  • Report of bacterial leaf streak on barley seedlings, central Alberta, May 25 and 26, 2023

    Symptoms of bacterial leaf streak observed on barley seedlings, central Alberta, May 25 and 26, 2023 Symptoms of bacterial leaf streak were observed in a barley field in Lacombe County based on field visits on May 25 and 26, 2023.  The symptoms were characterized by water-soaked lesions along the midrib of early leaves, mainly the…

  • Report of bacterial leaf streak on barley seedlings, southern Alberta, May 23, 2023

    Symptoms of bacterial leaf streak observed in barley, southern Alberta, May 23, 2023 With crops emerging, it’s time to scout for pests and diseases that can reduce yield. Don’t forget to add bacterial leaf streak (caused by Xanthomonas translucens) to your cereal diseases scouting list. Symptoms of this disease – such as water-soaking lesions along…