Database of Plant Diseases in Japan

Details of Hortensia Powdery mildew
Host plant
  • Hortensia, Hydrangea
Disease namePowdery mildew
Disease name (Japanese)
  • うどんこ病 [udonko-byo]
Pathogen/Cause (1)
  • Erysiphe hydrangeae (Z.X. Chen & R.X. Gao) U. Braun & S. Takamatsu
Pathogen/Cause (synonym) (1)
  • Uncinula hydrangeae Z.X. Chen & R.X. Gao
  • Uncinula hydrangeae Y. Nomura & Tanda
  • Uncinula sp.
References (1)
  • 丹田誠之助・野村幸彦:東農大農学集報 23(1):23, 1978
  • Nomura, Y. & Tanda, S.:Trans. Mycol. Soc. Japan 26(2):118, 1985
  • 大谷吉雄:日本菌類誌 3(2):250, 1988
  • 高松 進:三重大生資紀要 38:66, 2012
Pathogen/Cause (2)
  • Microsphaera alni (Wallroth) Salmon
References (2)
  • 平田幸治:日植病報 21(2-3):91, 1956
Pathogen/Cause (3)
  • Microsphaera sp.
References (3)
  • 平田幸治・和田久美子:菌蕈研報 10:489, 1973
  • 関 省吾・平田幸治:新潟農林研究 13:11, 1961
Pathogen/Cause (4)
  • Oidium sp.
References (4)
  • 丹田誠之助ら:東農大農学集報 18(2):130, 1973
  • 本間善久・平田幸治:新潟農林研究 20:138, 1968
Pathogen/Cause (5)
  • Pseudoidium hortensiae (Jørstad) U. Braun & R.T.A. Cook
Pathogen/Cause (synonym) (5)
  • Oidium hortensiae Jørstad
References (5)
  • 丹田誠之助:東農大農学集報 42(3):173, 1997
  • 丹田誠之助:東農大農学集報 43(4):253, 1999
  • 高松 進:三重大生資紀要 38:71, 2012
External website
  • The information on this page is based on the Common Names of Plant Diseases in Japan compiled by the Phytopathological Society of Japan.
  • The microbial strains linked from this database have not necessarily been confirmed as pathogenic.
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