downy-mildew 2-4-d-injury brown-stem-rot powdery-mildew diaporthe-pod-&-stem-blight cyst-nematode phytophthora-rot class rhizoctonia-root-rot purple-seed-stain 2019-01-23T17:46:26Z charcoal-rot herbicide-injury public 189385 alternarialeaf-spot brown-spot phyllosticta-leaf-spot bacterial-pustule bacterial-blight anthracnose frog-eye-leaf-spot diaporthe-stem-canker