Abstract
AbstractWinter (37), spring (8) wheat accessions and additionally, 7 double haploid (DH) lines were examined for susceptibility to Fusarium seedling blight after inoculation with F. culmorum and F. avenaceum. Winter accessions exhibited lower susceptibility of about 30% to both pathogens than spring cultivars. Susceptibility of winter cultivars varied from low (22%) to high (97%). Evaluation of the root was found to be more reliable than evaluation of coleoptile necrosis. F. avenaceum infected mostly root and, to a lesser extent, coleoptile and leaves, with about a three times lower disease score of coleoptile against root. F. culmorum caused a 1.5 higher disease score on root than on coleoptile. Susceptibility of DH lines was different from susceptibility of parental forms. Reaction of individual accessions to F. culmorum and F. avenaceum was different.
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