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Phytophthora root and collar rot of mature Fraxinus excelsior in forest stands in Poland and Denmark
In recent years, Common ash (Fraxinus excelsior) throughout Europe has been severely impacted by a leaf and twig dieback caused by the hyphomycete Chalara fraxinea. The reasons for its currentExpand
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Phytophthora em Betula spp. (vidoeiro, bétula)
A betula e uma arvore florestal muito importante, especialmente nos climas mais frios. E uma especie monoica, polinizada pelo vento, sendo as suas sementes dispersas pelo vento. Este genero contemExpand
Phytophthora ja spp. (koivu)
Koivut ovat tarkeita boreaalisen vyohykkeen pioneerilajeja. Ne ovat kesavihantia, tuulipolytteisia ja yksikotisia ja niiden runsas siemensato leviaa hyvin tuulen mukana. Suvussa on yli 60 lajiaExpand
Phytophthora på birk ( Betula spp.)
Birk er et vigtigt skovtrae isaer i kolde egne. Det har vindbestovning og dens fro spredes med vinden. Slaegten indeholder mere end 60 arter af bade traeer og buske. B. pendula Roth (vortebirk) og B.Expand
Phytophthora na brezah ( Betula spp.)
Breze so pomembne drevesne vrste, razsirjene predvsem v obmocjih s hladnejso klimo. So enodomne rastline, vetrocvetke, njihova semena raznasa veter. Rod obsega vec kot 60 vrst, med katerimi soExpand
Phytophthora σε Betula spp. (σημύδα)
Η σημύδα eίναι σημαντικό δασικό eίδος ιδιαίτeρα σe πιο ψυχρά κλίματα. Το γένος Betula πeριλαμβάνeι τόσο δένδρα όσο και θάμνους. Eίναι μόνοικο φυτό και τόσο η γύρη του όσο και οι σπόροι τουExpand
Phytophthora on Betula spp. (birch)
Phytophthora on Betula spp. (birch) / 2nd revised edition
Birch is an important forest tree especially in colder climates. It is monoecious and wind pollinated species, and it has wind-dispersed seeds. The genus contains more than 60 taxa including treesExpand
Phytophthora sur Betula spp. (bouleau)
Le bouleau est une essence forestiere importante, en particulier dans les regions au climat plus froid. Il s’agit d’une essence monoique et anemophile; ses graines sont dispersees par le vent. LeExpand