Story: Arable farming

Powdery mildew

Powdery mildew

Powdery mildew on peas can be widespread and severe in warm, dry seasons. Initial leaf infection appears as small, white lesions. Severely infected leaves become grey-green as spores are produced. Resistant cultivars should be grown, and systemic fungicides are also available.

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How to cite this page:

Sue Zydenbos, 'Arable farming - Diseases and pests', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/photograph/17595/powdery-mildew (accessed 23 October 2021)

Story by Sue Zydenbos, published 24 Nov 2008