Canadian Journal of Plant Pathology (2009) 31, 468-474

Prashant K. Mishra, Jalpa P. Tewari, T. Kelly Turkington and Randall M. Clear (2009)
Genetic evidence for a recent geographic expansion of 15-acetyldeoxynivalenol chemotypes of Fusarium graminearum in Canada
Canadian Journal of Plant Pathology 31 (4), 468-474
Abstract: The genetic structure of 15-acetyldeoxynivalenol (15-ADON) chemotypes of Fusarium graminearum populations collected from Canada was examined using restriction length fragment polymorphism and inter simple sequence repeat molecular markers. The genetic analysis revealed that 15-ADON producing F. graminearum populations from different provinces of Canada are genetically homogeneous. Mismatch distribution analysis was used to examine the evolutionary factors leading to genetic homogeneity among populations. The results of mismatch distributions showed evidence of a recent burst in population growth and demographic expansion across Canada. These results suggested that vigilant monitoring of trends of population growth of F. graminearum in Canada may be useful for management of this fungal pathogen.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): T. Kelly Turkington, Randall M. Clear

Research topic(s) for pests/diseases/weeds:
molecular biology - genes
surveys/sampling/distribution

---

Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Fusarium graminearum		Canada (east)
	Fusarium graminearum		Canada (west)