Agroscope, Institute for Plant Production Sciences IPS, 1260 Nyon, Switzerland

Production of fern plants

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.

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