{Project} PEN: Verbesserung der Krankheitstoleranz von Kulturpflanzen mit resistenzinduzierenden Natursubstanzen (PEN). [Effect of an extract from the mycelium of Penicillium chrysogenum on plant-pathogen interactions and characterisation of elicitors contained in this extract.] Runs 2000 - 2004. Project Leader(s): Thürig, Barbara and Tamm, Lucius, Research Institute of Organic Agriculture (FiBL), CH-5070 Frick. More information online at <http://www.fibl.org/de/schweiz/forschung/phytopathologie.html>.