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Norway
List of pests-diseases-weeds for crop/product: Alder (Alnus)
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 - Sordariomycetes:
Neonectria major
Basidiomycota:
Melampsoridium hiratsukanum
Other fungal-like organisms:
Phytophthora alni
pests:
Coleoptera:
Xyleborinus attenuatus