The Q&A Archives: Garlic

Question: We have been growing Garlic for many years and have never had any problems. But this year we have lost some plants due to a white powdery looking fungus. The fungus is on the bulbs, and it kills the plant. Not all the plants are affected yet. This happens when the plants are almost ready to harvest. HELP!

Answer: The symptoms sound suspiciously like those of Gray Mold, a fungal disease. The disease usually appears first on necks near the soil line, then involves the entire bulbs by the time they're mature. The fungus then moves up into the succulent leaves. It's difficult to control, especially in wet soils, which allows the fungal spores to spread to other bulbs.

Remove and destroy in infected garlic and don't plant garlic or onions in that same garden site. Crop rotation is extremely important to avoid repeating problems like the one you describe.

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