Interactions where Hydrangea macrophylla is the victim or passive partner (and generally loses out from the process)
The following relationships have been collated from the published literature (see 'Interaction References').
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Affected Part
Summary
Taxon
Vernacular
Classification
References
Darwin Classification of Active Taxon
Active Taxon
Active Vernacular
Active Taxon Uncertain
Active State
Active Part
Active Stage
Relationship
Relationship Uncertain
Relationship Geography
Darwin Classification of Passive Taxon
Passive Taxon
Passive Vernacular
Passive Taxon Uncertain
Passive State
Passive Part
Passive Stage
Passive Taxon's significance to Active Taxon
Indoors etc
Season
Summary
is parasitised by
Pseudoidium hortensiae a powdery mildew
Erysiphales: Erysiphaceae
An Introduction to British Powdery Mildews
/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Pseudoidium hortensiae/ Pseudoidium hortensiae a powdery mildew Foodplant / parasite UK and/or Eire
/Plantae/Tracheophyta/Magnoliopsida/Cornales/Hydrangeaceae/Hydrangea macrophylla/ Hydrangea macrophylla hydrangea parasitises
leaf
leaf is spotted by immersed pycnidium of Septoria coelomycetous anamorph
Septoria hydrangeae a leaf-spot fungus
Capnodiales: Mycosphaerellaceae
British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia , Grove, W.B., 1935
/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Septoria hydrangeae/ Septoria hydrangeae a leaf-spot fungus immersed pycnidium Septoria coelomycetous anamorph
Foodplant / spot causer UK and/or Eire
/Plantae/Tracheophyta/Magnoliopsida/Cornales/Hydrangeaceae/Hydrangea macrophylla/ Hydrangea macrophylla hydrangea leaf immersed pycnidium of Septoria coelomycetous anamorph causes spots on leaf
leaf (live)
live leaf is spotted by effuse colony of Corynespora dematiaceous anamorph
Corynespora cassiicola Cucumber Leaf Blotch - causative organism
Pleosporales: Corynesporascaceae
Petal spotting of hydrangea flowers caused by Corynespora cassiicola : old pathogen - new disease
/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Corynesporascaceae/Corynespora cassiicola/ Corynespora cassiicola cucumber leaf blotch (causative organism) effuse colony Corynespora dematiaceous anamorph
Foodplant / spot causer /Plantae/Tracheophyta/Magnoliopsida/Cornales/Hydrangeaceae/Hydrangea macrophylla/ Hydrangea macrophylla hydrangea live leaf effuse colony of Corynespora dematiaceous anamorph causes spots on live leaf
petal (live)
live petal is spotted by effuse colony of Corynespora dematiaceous anamorph
Corynespora cassiicola Cucumber Leaf Blotch - causative organism
Pleosporales: Corynesporascaceae
Petal spotting of hydrangea flowers caused by Corynespora cassiicola : old pathogen - new disease
/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Corynesporascaceae/Corynespora cassiicola/ Corynespora cassiicola cucumber leaf blotch (causative organism) effuse colony Corynespora dematiaceous anamorph
Foodplant / spot causer /Plantae/Tracheophyta/Magnoliopsida/Cornales/Hydrangeaceae/Hydrangea macrophylla/ Hydrangea macrophylla hydrangea live petal effuse colony of Corynespora dematiaceous anamorph causes spots on live petal
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