Response of meadow fescue, perennial ryegras and Italian ryegrass to infection by Fusarium avenaceum, F. culmorum and F. graminum
2001
Golebniak, B. (Poznan Agricultural University (Poland). Dept. of Phytopathology)
In greenhouse experiments the susceptibility of meadow fescue, perennial ryegrass and Italian ryegrass to Fusarium avenaceum, F. culmorum and F. graminum was studied. Various responses to Fusarium spp. infection were observed among the tested grass species and their cultivars. Meadow fescue was the most susceptible to all the Fusarium isolates used F. avenaceum isolates also strongly reduced perennial ryegrass emergence. In the experiments with Italian ryegrass the number of seedlings having survived the artificial infection of seeds with Fusarium spp. was significantly larger for Atos, Gran, Mitos and Polus cultivars than for Kroto, Lotos and Tur. All the studied grasses were more susceptible to the strongly pathogens F. avenaceum isolates than to F. culmorum and F. graminum isolates, having moderate pathogenicity
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