Onion Downy Mildew vs

Peronospora destructor compared with Peronospora paula

Taxonomic Classification

Rank	Onion Downy Mildew
Kingdom same	Chromista (Chromista)	Chromista (Chromista)
Phylum same	Oomycota (Oomycetes)	Oomycota (Oomycetes)
Class same	Peronosporea (Peronosporea)	Peronosporea (Peronosporea)
Order same	Peronosporales (Peronosporales)	Peronosporales (Peronosporales)
Family same	Peronosporaceae	Peronosporaceae
Genus same	Peronospora	Peronospora
Species	Peronospora destructor	Peronospora paula

Evolutionary Relationship

Onion Downy Mildew and share a common ancestor at the Genus level: Peronospora.

Conservation Status

Onion Downy Mildew

NE — Not Evaluated

NE — Not Evaluated

Physical Characteristics

Attribute	Onion Downy Mildew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Onion Downy Mildew

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Sweden.

Peronospora paula is a downy mildew oomycete that parasitizes small herbaceous host plants, forming white to greyish sporulation on leaf undersides. This obligate biotrophic pathogen requires living host tissue to complete its complex life cycle, which includes both sexual and asexual reproduction. It is distributed in temperate regions across Europe and beyond where suitable hosts occur.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden