Rose rust (Phragmidium mucronatum) on a stem of dog rose near the Gulf in area of Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017Synonyms: Aregma disciflora, Aregma mucronatum, Aregma phragmidium, Ascophora disciflora, Caeoma miniatum, Caeoma pingue, Caeoma rosae, Coleosporium miniatum, Coleosporium pingue, Erysibe miniata, Lecythea miniata, Lecythea rosae, Lycoperdon subcorticium, Phragmidium bullatum, Phragmidium disciflorum, Phragmidium incrassatum, Phragmidium rosae, Phragmidium rosarum, Phragmidium subcorticium, Physonema miniata, Puccinia mucronata, Puccinia rosae, Uredo aurea, Uredo effusa, Uredo miniata, Uredo pinguis.
Common name: rose rust.
Russian name: Rzhavchina roz.
Extract from Wikipedia article: Phragmidium mucronatum is a plant pathogen that causes rose rust.
Phragmidium mucronatum is a species of rust fungus that infects roses. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to be widely distributed, with frequent occurrences on various rose species, particularly Rosa acicularis, Rosa majalis, and Rosa rugosa. The fungus typically produces amber-colored aecia and uredinia on the underside of leaves, and black telia on the upper side of leaves, causing damage to the host plant. It is an important pathogen in the region, affecting the health and productivity of rose plants.
Rose rust (Phragmidium mucronatum) on a stem of dog rose near the Gulf in area of Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017Observations of Phragmidium mucronatum in Leningrad Oblast and north-western Russia reveal its presence on dog rose stems. On June 12, 2017, rose rust was found on a stem near the Gulf in the area of Lisiy Nos, west of Saint Petersburg. The fungus was identified as Phragmidium mucronatum, a common pathogen of roses. Further observations in the region confirmed its occurrence on various rose species, indicating its adaptability to local conditions. The rust fungus was found to infect stems, leaves, and flowers, causing damage to the host plant. In north-western Russia, Phragmidium mucronatum was observed in multiple locations, suggesting its widespread distribution in the area. The observations highlight the need for further study of this fungus to understand its ecology and impact on rose populations in the region. This information can inform management strategies to mitigate its effects.
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