| Date | 1718 |
| Author | Bradley |
| Contribution | Recorded specificity of blight disease of plants. |
| Reference | Wilson |
| Notes | Richard Bradley, botanist. May have postulated air-borne transmission of a causative organism -- See Bradley 1721. To be checked in Catherine Wilson's 1995 book. |
| Category | Causation |
| Pathogen Class | Fungi |
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