Cronartium flaccidum (Alb. & Schwein.) G. Winter, (Scots pine blister rust, pine resin-top rust)


11 Sep 2013 at OSGR: SU00 in Dorset, England

Record Summarytelia, on leaves of Garden Peony
Found asTelia (III)
Date11 September 2013
Associated organismPaeonia mascula
OS grid refOSGR: SU00
Lat/Lon50° 50’ N, 1° 60’ W
Vice CountyDorset, VC no: 9
CountryEngland
Voucher11 Sep 2013[A]
(Please quote this in any queries about this record)

Notes:

Leaf-spots: greyish-brown to purplish elongate, often veinlet-limited spots, 3/5 to 5/7mm, eventually coalescing and often turning the entire tip or margin dark and curled or rolled.

Underneath the spot is initially pale green and grows bright orange then whitish telial columns, the leaf spot becoming darker with age.

Telial columns mostly lost by end of September.

The following literature was used to identify this find:

standard photographs and close-ups
standard photographs and close-ups:
macro-photographs
macro-photographs:
photomicrographs
photomicrographs:

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