| Date | 1858 |
| Author | Kuehn |
| Contribution | Published book on fungal diseases of plants. |
| Reference | Ainsworth |
| Notes | Julius Kuhn (spelled Kuehn as alternative to use of umlaut). This work exemplified the acceptance of fungi as plant pathogens by mid-century. |
| Category | Causation |
| Pathogen Class | Fungi |
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