Report: Brigitte Osterath /Presented: Helen SeeneyOctober 2, 2014
Each year, German winegrowers in the Ahr Valley battle against one of their worst enemies - the dreaded grapevine moth. But this year, the winegrowers got together and came up with a solution. They’re using pheromones to trick and confuse male moths to disrupt their mating habits. And the technique is proving to be a success.