National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Vertical gradient of Hymenoscyphus fraxineus spore dispersal at infected locality in Boršov nad Vltavou
ŠTOIDL, Petr
Hymenoscyphus fraxineus is a pathogenic sac fungus causing ash tree necrosis throughout Europe, spreading predominantly through the air using ascospores. The aim of this thesis was to quantitatively describe the occurrence of spores of the causative agent of ash trees necrosis at different heights above the source of infection. The results were subsequently used to consider the inoculum potential of this pathogenic fungus for longer distance spreading using air currents. The qPCR method was used for the detection and quantification of DNA concentration. Based on a statistical analysis of the obtained molecular data a dependence of the occurrence of different amounts of H. fraxineus on height was proved. The main contribution of this thesis lies in charting the range of the H. fraxineus pathogen spread in the air column which is directly related to the range of spores to greater distances.

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