| Date | 1885 |
| Author | Millardet |
| Contribution | Reported protective effect of Bordeaux Mixture (copper sulfate and lime) against mildew, Plasmopara viticola, of grapes. |
| Reference | Anon. |
| Notes | The mixture had originally been applied to prevent thievery. Application to the leaves prevented infection of the leaves. Millardet suggested use on potato and tomato plants because of similarity of the pathogens, and indeed Bordeaux Mixture became the pre-eminent plant fungicide and remained popular for many decades. |
| Category | Miscellany |
| Pathogen Class | Fungi |
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