Abstract
Fusarium head blight (FHB) is a devastating disease of wheat in Canada and disease surveillance is a critical component of integrated disease management, disease forecasting, prioritizing research and breeding efforts, grain handling, and cleaning post harvest. We report on the recent trends of FHB in Canadian wheat including incidence and severity from 1995 to 2021 based on data from 208,247 samples. Our results show a steady increase in FHB incidence from 1995, with an epidemic year in 2016, followed by several years of low incidence. Results also indicated that FHB severity has been stable over time, but not always correlated with incidence. Data from the analysis of 26,538 samples from 2018 to 2021 demonstrate a strong positive correlation between the number of Fusarium damaged kernels (severity) and concentrations of the mycotoxin deoxynivalenol. Together, our results provide the most robust survey of FHB in Canada to date, which complement national and international disease monitoring and management efforts.
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Claims 7
Claim · model-written summary
Fusarium head blight incidence in Canadian wheat rose steadily from 1995.
- Taxon
- wheat
Triticum aestivume0 - Outcome
- FHB incidencee1
- Direction
- increasee1
- Setting
- Canadae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease of wheat in Canada”
e1“a steady increase in FHB incidence from 1995”
Claim · model-written summary
Canadian wheat experienced a Fusarium head blight epidemic in 2016.
- Taxon
- wheatTriticum aestivume0
- Outcome
- epidemic year in 2016e1
- Setting
- Canadae0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease of wheat in Canada”
e1“an epidemic year in 2016”
Claim · model-written summary
Several years of low Fusarium head blight incidence followed 2016.
- Taxon
- wheatTriticum aestivume0
- Outcome
- incidencee1
- Direction
- lowe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease of wheat in Canada”
e1“followed by several years of low incidence”
Claim · model-written summary
Fusarium head blight severity remained stable over time.
- Taxon
- wheatTriticum aestivume0
- Outcome
- FHB severitye1
- Direction
- stablee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease of wheat in Canada”
e1“FHB severity has been stable over time”
Claim · model-written summary
Fusarium head blight severity was not always correlated with incidence.
- Taxon
- wheatTriticum aestivume0
- Outcome
- incidencee1
- Comparator
- FHB severitye1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease of wheat in Canada”
e1“FHB severity has been stable over time, but not always correlated with incidence”
Claim · model-written summary
Fusarium damaged kernel counts strongly and positively correlated with deoxynivalenol concentration.
- Taxon
- wheatTriticum aestivume0
- Compound
- deoxynivalenole1
- Outcome
- number of Fusarium damaged kernels (severity)e1
- Direction
- positivee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease of wheat in Canada”
e1“a strong positive correlation between the number of Fusarium damaged kernels (severity) and concentrations of the mycotoxin deoxynivalenol”
Claim · model-written summary
The survey provides the most robust Canadian Fusarium head blight survey to date.
- Taxon
- wheatTriticum aestivume0
- Outcome
- survey of FHBe1
- Comparator
- to datee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat in Canada”
e1“the most robust survey of FHB in Canada to date”