Erysiphe diffusa
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Erysiphe diffusa symptoms on soybean (click on image to enlarge it)
Author(s): Daren Mueller, Iowa State University
Source: IPM Images
Author(s): Daren Mueller, Iowa State University
Source: IPM Images
Erysiphe diffusa symptoms on soybean (click on image to enlarge it)
Author(s): Daren Mueller, Iowa State University
Source: IPM Images
Author(s): Daren Mueller, Iowa State University
Source: IPM Images
Erysiphe diffusa (Cooke & Peck) (Cooke & Peck) U. Braun & S. Takam. 2000 - (soybean powdery mildew)
This fungus is widely distributed and causes a powdery mildew disease on soybeans and other legumes. It has been also reported from other plants like papaya (e.g. Vielba-Fernández et al., 2019).
The conidia are formed singly and have an elliptical to cylindrical shape with a size of 25–60 × 13–20 µm and rounded ends (Braun et al., 2017). The cleistothecia have 7-30 branched appendages and contain 4-10 asci, each with 3-6 spores.
Synonyms:
Microsphaera diffusa
Oidium caricae (often misapplied for Erysiphe caricae)
| Vernacular names | |
|---|---|
| • Deutsch: | Mehltau der Sojabohne |
| • English: | soybean powdery mildew powdery mildew of soybean |
| • Español: | oídio de la soja |
| • Français: | oïdium du soja |
