Provide information on the distribution, incidence and severity of diseases affecting sunflower yields through Manitoba.
Agronomic data such as crop rotation, soil type, fungicides and herbicides will also be recorded for each field.
Provide information on disease, insect and weed problems that influence and affect sunflower performance.
Collect asymptomatic plants for pathogen isolation and identification to determine the causative pathogens involved in the study areas.
Confirm pathogenicity of isolated pathogens according to Koch's postulates under greenhouse conditions.