BioImages: The Virtual Field-Guide (UK)

Ramularia interstitialis (Berk. & Broome) Gunnerb. & Constant., 1991 (an anamorphic fungus)

Date: 19 April 2007
Location: Berks, England
Voucher: 19/04/2007[J]
(Please quote this in any queries about this record)
State: Infection
Record Summary: Yellow leaf spots on Primrose leaves (with white mycelium on underside)
Associated organism: on underside live leaf of Primula vulgaris
Identification Notes: Yellow leaf spots lacking discrete margins, above extensive white mycelium on leaf under surface.

Conidiophores: hyaline, zig-zag, with evident attachment scars.

Conidia; hyaline, aseptate, ellipsoid, 9-20/5-8µm. with cicatrised scar.

The brown flecks on the leaf-spot upper surface appear to be necrotic plant pigment masses rather than anything fungal.

Images etc

naked eye photograph Infected leaves (2) - top surfaces - pale background 500 by 350 pixels
naked eye photograph Infected leaves (2) - top surfaces - pale background 500 by 340 pixels
naked eye photograph Infected leaves (2) - under surfaces - pale background 500 by 354 pixels
naked eye photograph Infected leaves (2) - under surfaces - pale background 500 by 329 pixels
magnified photograph Infected leaves (4) - top surfaces - black background 500 by 404 pixels
naked eye photograph Infected leaves (4) - top surfaces - pale background 500 by 422 pixels
magnified photograph Infected leaves (4) - under surfaces - black background 500 by 407 pixels
naked eye photograph Infected leaves (4) - under surfaces - pale background 500 by 431 pixels
magnified photograph Infection on leaf under surface - highly enlarged 500 by 333 pixels
magnified photograph Infection on leaf under surface - magnified 500 by 333 pixels
magnified photograph Infection on leaf under surface - magnified 500 by 333 pixels
naked eye photograph Infection patch on leaf under surface - close-up - enlarged 500 by 333 pixels
naked eye photograph Infection patch on leaf under surface - close-up - enlarged 500 by 333 pixels
magnified photograph Infection spot on leaf top surface - highly enlarged 500 by 412 pixels
magnified photograph Infection spot on leaf top surface - magnified 500 by 333 pixels
naked eye photograph Infection spot on leaf under surface - close-up - enlarged 500 by 386 pixels
naked eye photograph Infection spots on leaf under surface - close-up - enlarged 500 by 333 pixels
microscope photograph Conidia - magnified 26 Kb 347 by 306 pixels
microscope photograph Conidiophore and conidia - magnified 500 by 420 pixels
microscope photograph Conidiophore and conidium - magnified 32 Kb 315 by 498 pixels

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