20 Our Advertisers Appreciate Your Business Better Farming | May/June 2024 geographical area. This is important because FHB risk is environment dependent. “It allows farmers to compare FHB resistance in varieties at their specific location with the relevant environmental conditions and allows for comparison between other varieties at that site,” says Kirk. Warm and moist conditions during flowering or anthesis create the greatest risk for infection with FHB. Manitoba Agriculture also publishes FHB risk maps with a range of low to extreme based on relative humidity and temperature prior to anthesis to help grain farmers manage their crops. “They can also look at all moderately resistant varieties and farmers can compare the results within that classification because there will be some range of reaction to FHB within those varieties. The post-registration analysis provides more information to farmers when making variety selections.” Kirk says that in trials over the last PREVENTING FHB INFECTION Grain farmers looking to participate in the survey can reach out to AnneKirk@gov.mb.ca. Farm & Food Care photo
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