Iwona Adamska

The health of the forest stand along urban routes of different traffic intensity in SzczecinZdrowotność drzewostanu wzdłuż ciągów komunikacyjnych o różnym stopniu natężenia ruchu ulicznego w Szczecinie

The occurrence of specific insect pests and diseases on the three species of trees: Acer platanoides, Acer pseudoplatanus and Tilia platyphyllos in varying degrees air pollution of urban traffic routes was evaluated. In the two-year study (2014–2015) 11 species of fungi and 11 species of pests were recorded. The aphids Aphididae and eriophyoid mites Eriophyoidea were the most numerous among the pests identified on the trees, especially near traffic routes with high degree of air pollution. The same situation was observed for fungi. Two species of fungi: Discula umbrinella and Melasmia acerina were the most dominant and the latter one – has been considered an indicator species of urban air pollution.

Parasitic fungi on selected trees in Dendrological Garden in PrzelewiceGrzyby pasożytnicze występujące na wybranych drzewach Ogrodu Dendrologicznego w Przelewicach

Summary In 2010–2011 the studies on identification of parasitic fungi on selected tree species were carried out in the Dendrological Garden in Przelewice were performed. The research materials were above-ground parts of 9 plant species: Betula pendula, Betula maximowicziana, Cornus kousa, Acer pseudoplatanus, Acer negundo, Magnolia stellata, Robinia pseudoacacia, Populus tremula and Cerasus serrulata. As a result of the micological analyses 17 species of fungi were identified. The most numerous species (13) belonged to anamorphic fungi. The identified species of fungi belonged to 15 types. The largest number of types (11) belonged to anamorphic fungi. Basidiomycota and Ascomycota were represented by 2 types of fungi. Among others the following species were found: Diplodia atrata, Melasmia acerina, Uncinula bicornis, Melanconium betulinum, Stigmina carpophila, Phyllactinia guttata, Septoria cornicola, Colletotrichum gloeosporioides, Phyllosticta magnoliae, Asteroma frondicola, Melampsora populnea.