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Cercospora Leaf Spot on Mustard and Turnip Greens

Brown spots with yellow halos indicate cercospora leaf spot. Copper fungicides (Kocide) are the only labeled treatment for mustard. Remove infected leaves, improve air flow, rotate crops.

turnip leaf spot

About Gardening: Indian Hawthorn Leaf Spot and Chlorosis: Dual Diagnosis and Treatment; Entomosporium Leaf Spot on Photinia and Indian Hawthorn; Septoria Leaf Spot & Powdery Mildew in Kansas Garden; Brown Spot on Phalaenopsis Leaf: Bacterial Infection Emergency Response; Leaf Spot Fungus and Identifying a Grassy Weed; Cleyera Decline: Shade and Pruning Invite Leaf Spot; Bacterial Leaf Spot on Pepper and Basil: Keep Foliage Dry; Peace Lily Leaf Spots: Diagnosing and Correcting Cultural Issues; Cercospora Leaf Spot on Cherrylaurel: Shade and Moisture Issues; Managing Iris Leaf Spot: Identification and Control

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