Erysiphe cruciferarum
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Erysiphe cruciferarum symptoms on Brassica (click on image to enlarge it)
Author(s): Gerald Holmes, California Polytechnic State University at San Luis Obispo
Source: IPM Images
Author(s): Gerald Holmes, California Polytechnic State University at San Luis Obispo
Source: IPM Images
Erysiphe cruciferarum Opiz ex L. Junell 1967
This fungus is widely distributed and infects mainly crucifers causing powdery mildew diseases. For example, it can be important on oilseed rape (canola). The conidiophores are cylindrical with 3-4 cells and around 60-100 × 10 µm large. The conidia are produced singly, elliptical and with a size of about 30-50 x 15-20 µm.
