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Norway
List of pests-diseases-weeds for crop/product: Oak (Quercus)
Information on all pests, diseases and weeds can be found in the
downloadable Excel filesclick on a pest/disease/weed to display a list of relevant publications
diseases:
Ascomycota - Leotiomycetes:
Erysiphe alphitoides
Plant viruses:
Common oak ringspot-associated emaravirus
pests:
Hemiptera - Sternorrhyncha:
Stomaphis quercus
Lepidoptera:
Tortrix viridana