Plasmopara obducens
| Plasmopara obducens | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | Sar |
| Clade: | Stramenopiles |
| Class: | Oomycetes |
| Order: | Peronosporales |
| Family: | Peronosporaceae |
| Genus: | Plasmopara |
| Species: | P. obducens |
| Binomial name | |
| Plasmopara obducens (J. Schröt.) J. Schröt., (1886) | |
| Synonyms | |
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Plasmopara obducens is a species of oomycete that causes Impatiens downy mildew. It was first described on Impatiens noli-tangere in Germany in 1877. Plasmopara obducens is known from native species of Impatiens since the 1800s, but outbreaks on cultivated varieties of Impatiens walleriana started in 2003 in the United Kingdom and in 2004 in the United States. The outbreak spread worldwide by 2016.