White rust

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A. M. Varela
Is this a Minor Pest?
Yes
Minor Pest Title

White rust (Albugo occidentalis)

Minor Pest Description

It is a fungus that causes white blister-like pustules on the underside of leaves. They are filled with white spores and the surrounding tissue turns brown and dies. The fungus favours clear, warm, and dry days with cool nights.

Minor Pest What to do.
  • Use resistant varieties where available.
  • Use certified disease-free seeds.
  • A 3-year rotation is recommended.
Minor Pest Position
5
Minor Pest Firstcontent
195
Pest Type
viral
Host Plants
Spinach