If you see sickly caraway plants in your herb or vegetable garden, look for signs that can help you diagnose the problem and treat it:
- Aster yellows. Leafhopper insects spread this disease, which causes yellowing in the flower heads and stems. ...
- Blight. ...
- Damping off or crown rot. ...
- Phoma blight. ...
- Powdery mildew.
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