Aspirin is being hailed as a new wonder treatment for preventing blight in tomato and potato. However, the use of aspirin in horticulture is far from a new discovery.
Salicylic acid - the active ingredient in aspirin - is also the active ingredient in rooting compound and is derived from the bark of the willow (Salix) and poplar (Populus).
Dipping a cutting in rooting powder to prevent the cutting rotting-off before it has chance of throwing out new roots?
James Wong as championing the use of salicylic acid to prevent blight when wet and humid conditions are forecast.
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