University of Illinois, Illinois Natural History Survey Fungarium (ILLS)
ILLS00158794
17052
Biscogniauxia marginata (Fr.) Pouzar
Xylariaceae
O.A. Plunkett AS Nummularia discreta (Schw.) Tul.
O. A. Plunkett
259
1922-06-19
19 June 1922
United States, Illinois, Calhoun, Bee Creek
39.396454 -90.675421 +-3036m. WGS84
host: Malus pumila P. Mill. (Pyrus malus L.)
Control measure is pruning, size of field is 200 trees, infection in field is 25%, infection on plant is some trees one limb others entire trees. Estimated damage is 10% of orchard is dying or dead. Associated disease is scab.