Races and pathogenicity variation of Chalara elegans Nag Raj et Kendrick

beerenobst chalara elegans cyclamen fungi ilex crenata nicotiana ornamental plants phaseolus plantas plantas ornamentales plante plante ornementale plants poinsettia primulaceae prunus avium prunus domestica ribes schweiz steinobst thielaviopsis thielaviopsis basicola wurzel zierpflanze