Onion Downy Mildew vs

Peronospora destructor compared with Peronospora arabidis-hirsutae

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 arabidis-hirsutae

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 Norway and Sweden.

Peronospora arabidis-hirsutae is an obligate plant pathogen causing downy mildew disease on Arabidopsis and related crucifers. It inhabits infected leaf tissue of host plants in temperate environments where Arabidopsis and related plants grow. This oomycete parasite spreads through asexual sporangia during wet conditions and forms persistent oospores in infected plant debris.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden