| Date | 1861 |
| Author | Bary |
| Contribution | Established fungal causation of potato blight. |
| Reference | Ainsworth |
| Notes | German plant pathologist Anton deBary confirmed observation of Berkley (1845) re fungal etiology (Phytophthora infestans) of potato blight, and showed transmission by spores. See also Bary (deBary) 1863. |
| Category | Causation |
| Pathogen Class | Fungi |
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