Simon Colmer / Mildew on Indian bean tree (Catalpa bignonioides) Mildew is caused by either Erysiphe catalpae or Erysiphe elevata (syn. Microsphaera elevata) Both mildews were previously known in the USA, but have...
01685792
Nigel Cattlin / Cucumber powedery mildew (Podosphaera fuliginea) white fungal mycelium on leaves of a fruiting cucurbit plant, Berkshire, UK, September.
01677692
Nigel Cattlin / Powdery mildew (Erysiphe betae) fungal disease on the leaf of sugar beet, Champagne region, France, September
01677639
Nigel Cattlin / Powdery mildew (Blumeria graminis) mycelium and cleistothecia and brown leaf rust (Puccinia triticina) pustules on a wheat leaf
01656513
Nigel Cattlin / Powdery mildew (Blumeria graminis) fungal disease on an aborted ear and flagleaf on wheat plant ears
01655698
Nigel Cattlin / Hypersensitive reaction to powdery mildew (Blumeria graminis) causing necrotic lesions on barley leaf
01641700
Nigel Cattlin / Powdery mildew (Erysiphe graminis) infection on wheat crop coming into ear, white pustules on the stem and lower leaves
01641699
Nigel Cattlin / Powdery mildew (Erysiphe graminis) infection on wheat crop coming into ear, white pustules on the stem and lower leaves
