Summary
Two fungi were isolated from diseased leaves ofRhododendron ponticum: Botryosphaeria foliorum (Sacc.)v. Arx etMüll enChaetapiospora rhododendri (Tengw.) v. Arx. With the latter inoculation-experiments were performed. It became clear that this fungus can only invade the leaves ofRhododendron ponticum through wounds, causing dead areas. These spots enlarged quickly when the leaves were detached from the branches. Perithecia developed in the dead tissues.
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Literatuur
Arx, J. A. von, — 1952. Über einige Ascomycetengattungen mit ungleich zweizelligen Sporen. Berichte der Schweiz. Bot. Gesellschaft 62: 340–362.
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Timmermans, A. Aantasting van bladeren van rhododendron DoorChaetapiospora rhododendri (Tengw.) v. Arx . Tijdschrift Over Plantenziekten 63, 191–192 (1957). https://doi.org/10.1007/BF01987827
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DOI: https://doi.org/10.1007/BF01987827