Article Nº 2250 Fungus, lichen, moss or alga Vol. II · p. 626

Oak mildew

Original title: Mangra dos Carvalhos

Fungus, lichen, moss or alga
Agriculture, livestock and forestry

Describes oak mildew, white patches on oak leaves caused by the fungus Oidium quercinum, first observed in Madeira in 1909 on the oaks at Monte.

White patches that appear on the leaves of oaks, produced by Oidium quercinum, a fungus of the family Mucedinaceae. It was first observed in 1909, on the oaks at Monte (‘hill’). The species has probably been spread by conidia carried on the wind.

Places mentioned

Monte

Chronology

1909 Oak mildew (Oidium quercinum) was first observed in Madeira, on the oaks at Monte.

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