BioImages: The Virtual Field-Guide (UK)

Microsphaera grossulariae (Wallr.) Lév., 1851 (a powdery mildew)

Date: 25 September 2005
Location: Berks, England
Voucher: 25/09/2005[E]
(Please quote this in any queries about this record)
State: Fruitbody
Record Summary: Cleistothecia on upper side of leaves of Gooseberry
Associated organism: on upperside live leaf of Ribes uva-crispa
Identification Notes: Sparse cleistothecia on upper surface of leaf.
Cleistothecial appendages aseptate, up to 1.5 times diameter of ascocarp, dichotomously branched at apex.
Photo Summary: Infection, cleistothecia and appendages

Images etc

naked eye photograph Cleistothecia on leaf upper surface - close-up - highly enlarged 500 by 412 pixels
naked eye photograph Infected leaf - upper surface 446 by 500 pixels
naked eye photograph Infected leaf - under surface 448 by 500 pixels
naked eye photograph Infection - leaf upper surface - highly enlarged 500 by 332 pixels
naked eye photograph Infection with sparse cleistothecia - leaf upper surface - highly enlarged 500 by 332 pixels
microscope photograph Cleistothecial appendage - magnified 500 by 224 pixels
microscope photograph Cleistothecium - squash prep - magnified 439 by 500 pixels
microscope photograph Cleistothecium - squash prep - magnified 500 by 436 pixels
microscope photograph Cleistothecium - squash prep - magnified 500 by 381 pixels

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