Powdery mildew – 2013

34 species of powdery mildew identified in the 2013 season (approximately April – October), in 8 different genera and all 5 tribes!

Tribe Species Common host
Blumerieae Blumeria graminis Grasses
Cystotheceae Podosphaera catalpae Catalpa bignonioides
Cystotheceae Podosphaera leucotricha Malus domestica
Cystotheceae Podosphaera pannosa Rosa
Cystotheceae Podosphaera amelanchieris Amelanchier
Cystotheceae Podosphaera aphanis Geum urbanum
Cystotheceae Sawadaea bicornis Acer pseudoplatanus
Erysipheae Erysiphe azeleae Rhododendron
Erysipheae Erysiphe necator Vitis
Erysipheae Erysiphe capreae Salix caprea
Erysipheae Erysiphe adunca Populus
Erysipheae Erysiphe alphitoides Aesculus, Cotinus, Quercus, Wisteria
Erysipheae Erysiphe berberidis Berberis, Mahonia
Erysipheae Erysiphe heraclei Heracleum
Erysipheae Erysiphe trifoliorum Trifolium (Fabaceae)
Erysipheae Erysiphe pisi Pisum (Fabaceae)
Erysipheae Erysiphe grossulariae Ribes
Erysipheae Erysiphe magnifica Magnolia
Erysipheae Erysiphe circeae Circaea lutetiana
Erysipheae Erysiphe aquilegiae Aquilegia, Delphinium (Ranunculaceae)
Golovinomyceteae Golovinomyces verbasci Verbascum
Golovinomyceteae Golovinomyces magnicellulatus Phlox
Golovinomyceteae Golovinomyces sordidus Plantago
Golovinomyceteae Golovinomyces biocellatus Monarda, Stachys (Lamiaceae)
Golovinomyceteae Golovinomyces orontii Thunbergia, Cucurbita
Golovinomyceteae Golovinomyces fischeri Senecio vulgaris
Golovinomyceteae Golovinomyces sonchicola Sonchus oleraceus
Golovinomyceteae Golovinomyces depressus Arctium
Golovinomyceteae Golovinomyces asterum Aster novi-belgii
Golovinomyceteae Neoerysiphe geranii Geranium
Golovinomyceteae Neoerysiphe galeopsidis Monarda, Stachys (Lamiaceae), Catalpa bignonioides
Phyllactineae Phyllactinia guttata Carpinus betulus
Phyllactineae Leveillula cylindrospora Silene
Phyllactineae Leveillula taurica Aquilegia, Cucurbita

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