Revision of Plasmopara (Oomycota, Peronosporales) parasitic to Impatiens
- The oomycete Plasmopara obducens was first described on wild Impatiens noli-tangere in Germany in 1877. About 125 years later the first occurrence of P. obducens on cultivated I. walleriana in the United Kingdom was reported, and a worldwide epidemic followed. Although this pathogen is a major threat for ornamental busy lizzy, the identity of the pathogen remained unconfirmed and the high host specificity observed for the genus Plasmopara cast doubts regarding its determination as P. obducens. In this study, using multigene phylogenies and morphological investigation, it is revealed that P. obducens on I. noli-tangere is not the conspecific with the pathogen affecting I. walleriana and another ornamental balsam, I. balsamina. As a consequence, the new names P. destructor and P. velutina are introduced for the pathogens of I. walleriana and I. balsamina, respectively.
| Author details: | Marlena Goerg, Sebastian PlochORCiD, Julia Kruse, Volker Kummer, Fabian Runge, Young-Joon Choi, Marco Thines |
|---|---|
| DOI: | https://doi.org/10.1007/s11557-017-1316-y |
| ISSN: | 1617-416X |
| ISSN: | 1861-8952 |
| Title of parent work (English): | Mycological progress : international journal of the German Mycological Society |
| Publisher: | Springer |
| Place of publishing: | Heidelberg |
| Publication type: | Article |
| Language: | English |
| Year of first publication: | 2017 |
| Publication year: | 2017 |
| Release date: | 2020/04/20 |
| Tag: | Busy lizzy; Downy mildew; Horticulture; Lady slipper balsam; New species; Peronosporaceae; Taxonomy; Touch-me-not |
| Volume: | 16 |
| Number of pages: | 9 |
| First page: | 791 |
| Last Page: | 799 |
| Funding institution: | LOEWE |
| Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Biochemie und Biologie |
| Peer review: | Referiert |
