bacterial-pustule phyllosticta-leaf-spot brown-spot herbicide-injury downy-mildew purple-seed-stain rhizoctonia-root-rot 2016-01-28T14:56:25Z 2-4-d-injury charcoal-rot phytophthora-rot class anthracnose frog-eye-leaf-spot diaporthe-stem-canker bacterial-blight powdery-mildew brown-stem-rot cyst-nematode public alternarialeaf-spot diaporthe-pod-&-stem-blight 53526