Distribution of Fusarium spp. causing head blight and root rot in cereals in Saskatchewan in 1998
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Fusarium spp. are important cereal pathogens that can cause diseases of heads/seeds, crowns and roots. Some of the Fusarium spp. responsible for Fusarium head blight (FHB) have also been found associated with root rot of wheat (Windels and Holen, 1989). In Saskatchewan, Sallans and Tinline (1969) identified Cochliobolus sativus as the main root rot pathogen in wheat, although Fusarium spp. have also been isolated from diseased subcrown internodes (Harding, 1973). There has not been a comprehensive study of cereal root rot pathogens in Saskatchewan to determine the relative importance of these different fungi, their distribution in different soil types, and whether or not the Fusurium spp. isolated from infected roots are the same as those causing FHB. Determining whether the most important Fusurium spp. associated with FHB can also be found colonizing roots would be an important step in trying to understand the epidemiology of FHB.
Part OfSoils and Crops Workshop
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