The following are the results of spring and winter wheat fields surveyed for Fusarium head blight (FHB) by Manitoba Agriculture Staff. Fusarium head blight was observed in nearly every field surveyed (97% of winter wheat fields surveyed and 93% of spring wheat fields surveyed). The average FHB index for winter wheat in 2016 was 2.7% which was slightly below the 10-year-average (3.1%). The average FHB index for spring wheat in 2016 was 2.4% which was slightly above the 10-year-average (2.2%).
Winter wheat:
FHB was observed in 30/31 fields surveyed.
Region | # Fields Surveyed | Average Incidence | Average Severity | Average FHB Index |
Central | 13 | 18% | 19% | 3.6% |
Eastern/Interlake | 13 | 11% | 16% | 2.6% |
Southwest | 5 | 6% | 11% | 0.6% |
MANITOBA | 31 | 13% | 16% | 2.7% |
*No winter wheat fields in the Northwest region were surveyed
Spring wheat:
FHB was observed in 50/54 fields surveyed.
Region | # Fields Surveyed | Average Incidence | Average Severity | Average FHB Index |
Central | 17 | 29% | 12% | 3.9% |
Eastern/Interlake | 17 | 8% | 11% | 1.1% |
Northwest | 10 | 7% | 8% | 0.7% |
Southwest | 10 | 23% | 19% | 3.9% |
MANITOBA | 54 | 17% | 12% | 2.4% |
Submitted by Holly Derksen, Field Crop Pathologist, Manitoba Agriculture