The occurrence of Septoria nodorum Berk. and associated mycoflora in seeds of wheat cultivated in the Szczecin voivodeship

Abstract

In the years 1982-1984, the occurrence of Septoria nodorum and associated myooflora in 48 and 23 samples of winter and spring cultivars of wheat were examined. respectively. Tbe following species of fungi were most frequently recovered: Altemaria altemara, Aureobasidium pullulans, Epicoccum purpurascens, species of tbe genera Cladosporium, Fusarium, Helminthosporium and Penicillium, S. nodorum and non-sporulating fungi. The occurrence of S. nodorum was higher in seeds coming from the wetter years 1982 and 1984. The level of seed infestation by S. nodorum was higher in winter cultivars Septoria nodorum was more frequently isolated from shrunken than normally developed seeds.