herbicide-injury powdery-mildew cyst-nematode downy-mildew charcoal-rot 100 anthracnose brown-spot diaporthe-pod-&-stem-blight public alternarialeaf-spot 2014-12-31T23:00:00Z 2-4-d-injury diaporthe-stem-canker rhizoctonia-root-rot phytophthora-rot frog-eye-leaf-spot purple-seed-stain brown-stem-rot bacterial-blight phyllosticta-leaf-spot bacterial-pustule class