Pseudoperonospora (genus)

Peronosporales • Oomycota • fungal-like organisms • plant diseases • pests-diseases-weeds

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Pseudoperonospora cubensis - branched sporangiophore and lemon-shaped sporangia (click on image to enlarge it)
Author(s): Gerald Holmes, Valent USA Corporation
Source: IPM Images

Pseudoperonospora Rostovzev 1903

The genus of oomycetes includes several important plant pathogens causing downy mildew diseases in crops like cucurbits and hop. The species have many similarities to those of the genus Peronospora, but produce zoospores.

For a review of the genus see Runge et al., 2011.

Currently, the following species have been entered into the system:

• Pseudoperonospora cubensis
• Pseudoperonospora humuli