Turnip and Rutabaga (Brassica spp.)-Alternaria Diseases (Black Spot, Gray Leaf Spot, Pod Spot)

See:

Radish (Raphanus sativus) - Alternaria Diseases (Black Spot, Gray Leaf Spot, Pod Spot)

Seed Crop, Crucifers (Brassica, Eruca, and Raphanus spp.) - Alternaria Diseases (Black Spot, Gray Leaf Spot, Pod Spot