alternarialeaf-spot cyst-nematode phytophthora-rot brown-stem-rot diaporthe-pod-&-stem-blight charcoal-rot purple-seed-stain frog-eye-leaf-spot powdery-mildew bacterial-blight diaporthe-stem-canker rhizoctonia-root-rot anthracnose bacterial-pustule downy-mildew class herbicide-injury brown-spot phyllosticta-leaf-spot public 2-4-d-injury 53552 2016-01-28T14:56:29Z