At the University of Applied Sciences Wädens-wil (HSW) every year about 70‘000 fern plants (55 species) are produced. Occasionally, the production shows some serious defiencies: fungal infections and contaminations by algae or mosses. In collaboration with the Swiss Federal Research Station at Wädenswil (FAW) the reasons of these problems were partly determined. Three pathogenic fungi ( Acremonium, Phoma, Ascochyta) have been isolated and identified from diseased fern plants and first successful experiments with fungicide applications have been carried out. By direct sowing the spores in larger containers the production process becomes less labour intensive. To protect the cultures from infections by fungi, mosses and algae, the sowing containers were covered by glass plates.
Spring J.-L-, Zufferey V., Verdenal T., Reynard J.-S., Lorenzini F., Bourdin G., Blouin A., Carlen C., Jermini M., Morisoli R., Ferretti M.
Five Merlot clones bred in Switzerland are currently being distributed by the certification sector. A multiyear trial conducted by Agroscope in Gudo (Canton of Ticino) has made it possible to compare them with French and Italian reference clones and to highlight their very good performances.
Arbuscular mycorrhizal fungi are important for healthy soils and crops. A pan-European study shows that plant-protection products adversely affect these fungi, reducing their ability to supply plants with phosphorus via their roots.
Birdsfoot trefoil and sainfoin are used in mixtures for perennial hay meadows and for tannin-containing fodder. Agroscope is adding two new cultivars of birdsfoot trefoil to the ‘List of Recommended Varieties of Forage Plants’, whilst there is no change in the case of sainfoin.