Evaluation location: Wisconsin, United States
Red Clover (Trifolium pratense) Core collection evaluated for reaction to Northern Anthracnose caused by Auerobasidium caulivora.. Evaluation was done by Dr. Richard R. Smith, Madison, Wisconsin from Dec. 1998 to March 1999 in a growth chamber. Procedures used were developed by R.R. Smith and D.P. Maxwell. See: Anthracnose resistance in Red Clover. Crop Sci.13:271-274. Disease severity index used:1 = no visable symptoms, 2 = slight necrosis of the leaflet or petiole, 3 = necrosis of the petiole extending into leaflet, 4 = necrosis of the leaflets, 5 = extensive necrosis of the leaflets and lesions on the petiole.