Record Summary | leaf spots on live and dead leaves of Red Oak |
Found as | Infection |
Date | 6 September 2007 |
Associated organism | Quercus rubra |
OS grid ref | OSGR: SK37 |
Lat/Lon | 53° 10’ N, 1° 30’ W |
Vice County | Derby, VC no: 57 |
Country | England |
Voucher | 6 Sep 2007[G] (Please quote this in any queries about this record) |
Notes:
Small brown leaf spots peppering the leaf; at first dark blackish-brown then enlarging and becoming tan brown, or developing a white centre containing a single pycnidium.
Pycnidia: sparse, pale brown, in brown leaf spots, one in each small white spot.
Conidia: cylindric, up to 43/2.5µm, becoming 3-septate.
The following literature was used to identify this find:
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