From lab to field: RELACS’ first project video on new plant protection products replacing copper in organic viticulture
In their commercial vineyard in Frick, Switzerland, FiBL carried out 16 treatments of new plant protection products against mildew in organic viticulture. Three of the tested products used copper, the remaining 13 were replaced by pilot products, one of them based on larch extract. To evaluate their effectiveness, FiBL interviewed managing vintner Andreas Tuchschmid who