Results of variety trials 1997 to 1999 with Italian Ryegrass and Hybrid Ryegrass

A survey conducted in a Syrah population originating in Northern Côtes du Rhône (France) resulted in the selection of three new Syrah clones with highly promising characteristics, distributed by the Swiss certification sector.

Delaying the timing of the first hedge trimming is of limited technical value in vineyard canopy management. Its impact on lateral shoot growth and must composition is minimal.

Plant protection products contain active substances and co-formulants. Agroscope studied the residues of co-formulants on treated plants for the first time, thereby furnishing the basis for assessing risks posed to consumers.