BioImages (UK)
BIOTA
(living things)
Eukaryota
(eukaryotes)
MYCETEAE
(fungi, moulds and lichens)
ASCOMYCOTA
(spore-shooters)
ASCOMYCETES
(spore shooters)
ERYSIPHOMYCETIDAE
(powdery mildews)
ERYSIPHALES
(powdery mildews)
ERYSIPHACEAE
(powdery mildews)
Erysiphe
(a genus of powdery mildews)
Erysiphe tortilis
(Dogwood Mildew)
Record
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BioImages: The Virtual Field-Guide (UK)

Erysiphe tortilis (Wallr.) Fr., 1829 (Dogwood Mildew)

Date: 14 October 2007
Location: Berks, England
Voucher: 14/10/2007[C]
(Please quote this in any queries about this record)
State: Perfect and imperfect stages
Record Summary: epiphyllous conidia and hypophyllous cleistothecia on living Cornus leaves
Associated organism: on live leaf of Cornus sanguineus
Identification Notes: Conidia: epiphyllous, especially on reddened leaves.

Cleistothecia: hypophyllous, wall composed of cells 18/13µm, (larger than most Erysphe) with long cylindrical, brown-walled anchoring hyphae, without specialised ends.

Images etc

magnified photograph Cleistothecia on leaf under surface - close-up - enlarged 500 by 405 pixels
magnified photograph Cleistothecia on leaf under surface - close-up - enlarged 500 by 333 pixels
magnified photograph Cleistothecia on leaf under surface - magnified 500 by 333 pixels
magnified photograph Cleistothecia on leaf under surface - magnified 500 by 333 pixels
magnified photograph Cleistothecia on leaf under surface - magnified 500 by 333 pixels
naked eye photograph Conidial anamorph on leafy shoot - close-up 500 by 384 pixels
naked eye photograph Conidial anamorph on leafy shoot - close-up 361 by 500 pixels
naked eye photograph Conidial anamorph on leafy shoot 500 by 333 pixels
naked eye photograph Conidial anamorph on leafy shoot 333 by 500 pixels
magnified photograph Infected leaf - lower surface with cleistothecia - close-up - enlarged 500 by 345 pixels
magnified photograph Infected leaf - lower surface with cleistothecia - white background 500 by 363 pixels
magnified photograph Infected leaf - lower surface with cleistothecia - white background 500 by 347 pixels
magnified photograph Infected leaf - lower surface with cleistothecia - white background 500 by 492 pixels
magnified photograph Infected leaf - lower surface with cleistothecia - white background 500 by 473 pixels
magnified photograph Infected leaf - lower surface with cleistothecia -close-up - enlarged 500 by 451 pixels
magnified photograph Infected leaf - upper surface with conidia - white background 500 by 371 pixels
magnified photograph Infected leaf - upper surface with conidia - white background 500 by 337 pixels
magnified photograph Infected leaf - upper surface with conidia - white background 439 by 500 pixels
magnified photograph Infected leaf - upper surface with conidia - white background 436 by 500 pixels
microscope photograph Cleistothecia - magnified 500 by 351 pixels
microscope photograph Cleistothecia - magnified 500 by 360 pixels
microscope photograph Cleistothecia - magnified 500 by 427 pixels
microscope photograph Cleistothecia - squash - magnified 500 by 333 pixels
microscope photograph Cleistothecium - squash - magnified 500 by 333 pixels
microscope photograph Cleistothecium - squash - magnified 500 by 333 pixels
microscope photograph Cleistothecium - surface - magnified 500 by 333 pixels

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