Welles, C.G. 1923: A new leaf spot disease of onion and garlic. Phytopathology 13(8): 362-365.
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| Welles, C.G. 1923: A new leaf spot disease of onion and garlic. Phytopathology 13(8): 362-365. |
| Welles, C.G. 1923: A new leaf spot disease of onion and garlic. Phytopathology 13(8): 362-365. |