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 pisi
(a powdery mildew)
Erysiphe pisi var. pisi
(a powdery mildew)
Record
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BioImages: The Virtual Field-Guide (UK)

Erysiphe pisi var. pisi DC., 1821 (a powdery mildew)

Date: 30 August 1999
Location: Berks, England
Voucher: 30/08/1999[A]
(Please quote this in any queries about this record)
State: Perfect and imperfect stages
Record Summary: on leaves of Sweet Pea
Associated organism: on living leaf of Lathyrus odorata
Identification Notes: Asci 4-spored, spores 3-6 per ascus;
hyphal outgrowth mycelioid, darkened near base;
conidia on short lateral branches, sometimes chained.

Images etc

magnified photograph Infected leaf 42 Kb 356 by 399 pixels
magnified photograph Infected leaf 52 Kb 426 by 343 pixels
magnified photograph Infected leaflet - close-up 336 by 500 pixels
magnified photograph Infected leaflet - close-up 396 by 500 pixels
magnified photograph Infection - close-up 500 by 347 pixels
magnified photograph Infection - close-up 500 by 290 pixels
magnified photograph Infection - magnified 54 Kb 427 by 341 pixels
magnified photograph Infection - magnified 60 Kb 427 by 341 pixels
magnified photograph Infection - highly magnified 500 by 401 pixels
magnified photograph Infection - highly magnified 53 Kb 427 by 341 pixels
magnified photograph Infection - highly magnified 500 by 401 pixels
microscope photograph Asci - showing 4 spores in each 53 Kb 444 by 270 pixels
microscope photograph Asci in split cleistothecium 500 by 338 pixels
microscope photograph Ascospores 44 Kb 427 by 341 pixels
microscope photograph Cleistothecia 42 Kb 427 by 341 pixels
microscope photograph Cleistothecial outgrowths - bases 29 Kb 461 by 339 pixels
microscope photograph Cleistothecial outgrowths - darkened bases 16 Kb 376 by 272 pixels
microscope photograph Cleistothecial outgrowths 17 Kb 412 by 259 pixels
microscope photograph Cleistothecial outgrowths 26 Kb 427 by 341 pixels
microscope photograph Cleistothecial outgrowths 28 Kb 427 by 341 pixels
microscope photograph Cleistothecial outgrowths 30 Kb 427 by 341 pixels
microscope photograph Cleistothecium - close-up showing wall structure 24 Kb 341 by 317 pixels
microscope photograph Cleistothecium - side view 13 Kb 220 by 331 pixels
microscope photograph Cleistothecium - side view 39 Kb 439 by 353 pixels
microscope photograph Cleistothecium - side view 28 Kb 365 by 323 pixels
microscope photograph Cleistothecium - side view 26 Kb 357 by 287 pixels
microscope photograph Cleistothecium - side view 21 Kb 275 by 248 pixels
microscope photograph Cleistothecium 19 Kb 311 by 363 pixels
microscope photograph Cleistothecium 15 Kb 230 by 207 pixels
microscope photograph Conidia 500 by 204 pixels
microscope photograph Conidia 20 Kb 495 by 241 pixels
microscope photograph Conidiophore 6 Kb 86 by 300 pixels

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