Cultivar Isolate Severity Treatment a 1 0.2630222 1 b 1 0.8038023 2 c 1 0.9972832 3 d 1 0.130369 4 a 2 1.0552023 5 b 2 0.6687427 6 c 2 0.2630222 7 d 2 0.4555987 8