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


19 Apr 2007 at OSGR: SU67 in Berks, England

Record SummaryYellow leaf spots on Primrose leaves (with white mycelium on underside)
Found asAnamorph
Date19 April 2007
Associated organismPrimula vulgaris
OS grid refOSGR: SU67
Lat/Lon51° 30’ N, 1° 10’ W
Vice CountyBerks, VC no: 22
CountryEngland
Voucher19 Apr 2007[J]
(Please quote this in any queries about this record)

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.

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