Beaune winemaker Emmanuel Giboulot became a hero in the biodynamic world when he refused a French government directive to fight the spread of flavescence dorée, an incurable and highly contagious vine disease that causes leaves to yellow and grapes to shrivel. The directive calls for the use of Pyrevert, a synthetic insecticide, to eradicate the disease's primary mode of infection, the leafhopper Scaphoideus titanus, in the Côte d'Or. Wine Spectator's Kasey Carpenter reports.
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