PIWI grapes cross vinifera with wild American and Asian vines to carry the resistance vinifera never had. The German Wine Institute puts the payoff plainly: plant-protection measures cut by up to 80 percent.
Germany
Wine regions of Germany
A flat 15 percent tariff, a weak dollar, and softening American demand pulled Italy’s wine exports down $340 million in 2025. Where the losses landed, why Germany held firm, and the new map Italian producers are drawing.
A geologist with a four-pound rock hammer stands on a south-facing terrace above the Mosel and brings the head down…