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| Record Summary | Numerous, coalescing leaf spots devastating Horse-Radish leaves |
| Found as | Anamorph |
| Date | 14 October 2007 |
| Associated organism | Armoracia rusticana |
| OS grid ref | OSGR: SU56 |
| Lat/Lon | 51° 20’ N, 1° 10’ W |
| Vice County | Berks, VC no: 22 |
| Country | England |
| Voucher | 14 Oct 2007[B] (Please quote this in any queries about this record) |
Notes:
Numerous leaf spots up to 8mm diameter, confluent and covering most of the older leaves and lower half of many younger leaves.
Spots very variable. Upper surface: charcoal grey, sometimes in concentric rings; buff in centre of older spots which sometimes drops out; some spots with white or pale yellow fibrous encrustation (massed conidia), a few spots pale with black borders. Some spots on leaf upper margin black and sclerotial.
Lower surface similar, more dingey.
Conidiophores: pale sepia walled, sinuate with conidium scars near apex.
Conidia: hyaline, very narrowly obclavate, multi-septate, 65-134/3-5 µm.
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