Powdery mildew

S Silky sheath mushroom Volvariella bombycina V Volvariella gloiocephala Volvariella gloiocephala V Volvariella hypopithys Volvariella hypopithys V Volvariella murinella Volvariella murinella V Volvariella surrecta Volvariella surrecta V Volvariella taylorii Volvariella taylorii V Volvariella volvacea Volvariella volvacea V Volvocisporiaceae Volvocisporiaceae V Volvocisporium disease Volvocisporium V Volvocisporium triumfetticola blight Volvocisporium triumfetticola V Vuilleminia Vuilleminia A Alder crust fungus Vuilleminia alni V Vuilleminia comedens Vuilleminia comedens H Hazel crust fungus Vuilleminia coryli V Vuilleminia cystidiata Vuilleminia cystidiata W Waitea Waitea W Waitea nuda Waitea nuda W Wallemia Wallemia W Wallemia ichthyophaga Wallemia ichthyophaga W Wallemiomycosis Wallemiaceae W Wallemiosis Wallemiales W Wallemiomycetes Wallemiomycetes P Potato wart Synchytrium endobioticum W Websdanea Websdanea W Websdanea lyginiae Websdanea lyginiae W Websdaneaceae Websdaneaceae W Wentiomyces Wentiomyces W Wentiomyces javanicus Wentiomyces javanicus W Westerdykella Westerdykella W Westerdykella capitulum Westerdykella capitulum W Westerdykella dispersa Westerdykella dispersa W Westerdykella minutispora Westerdykella minutispora W Westerdykella ornata Westerdykella ornata W Wheat dwarf Wheat dwarf T Tan spot Wheat yellow C Cymbidium mosaic virus Cymbidium mosaic W White leaf streak Ramularia oryzae W White rash of sugarcane Elsinoe sacchari W White thread disease of cacao Maramiellus scandems W Wilsoniana Wilsoniana W Wilsoniana occidentalis Wilsoniana occidentalis S Shot hole disease Wilsonomyces W Wind damage Abrasions W Winter wheat Winter wheat W Witches’-broom Undetermined W Witchweed Striga spp. W Wojnowicia Wojnowicia W Wojnowicia spot Wojnowicia hirta W Wolfiporia Wolfiporia W Wolfiporia cocos Wolfiporia cocos W Wongia Wongia W Wongia garrettii Wongia garrettii W Wongia griffinii Wongia griffinii S Sapstain Ceratocystis coerulescens W Woodiness of passion fruit Cowpea aphid-borne X Xanthiomyces Xanthiomyces X Xanthiomyces spinosus Xanthiomyces spinosus X Xanthoparmelia Xanthoparmelia X Xanthoparmelia conspersa Xanthoparmelia conspersa Y Yellow-green algae Xanthophyceae