Schneider S, Widmer F, Jacot K, Kölliker R, Enkerli J (2012) Spatial distribution of Metarhizium clade 1 in agricultural landscapes with arable land and different semi-natural habitats. Applied Soil Ecology 52: 20-28
Meyling NV, Pilz C, Keller S, Widmer F, Enkerli J. (2012). Diversity of Beauveria spp. isolates from pollen beetles Meligethes aeneus in Switzerland. 109: 76-82
Schneider S, Rehner SA, Widmer F, Enkerli J (2011) A PCR-based tool for cultivation-independent detection and quantification of Metarhizium clade 1. J Invertebr Pathol 108: 106-114
Vogelgsang S, Enkerli J, Jenny E, Roffler S, Widmer F (2011). Characterization of Fusarium poae microsatellite markers on strains from Switherland and other countries. Journal of Pathology 159: 197-200
Fournier A, Widmer F, Enkerli J (2010). Assessing winter-survival of Pandora neaoaphidis in soil with bioassays and molecular approaches. Biological Control 54:126-134
Schneider S, Hartmann M, Enkerli J Widmer F (2010). Fungal community structure in soils of conventional and organic farming systems. Fungal Ecology 3: 215-224
Enkerli J., and Widmer F. (2010) Molecular ecology of fungal entomopathogens: molecular genetic tools and their applications in population and fate studies. BioControl 55: 17-37
Frey B., Rüdt A., Widmer F. (2010). Changes in rhizosphere bacterial populations during phytoextraction of heavy metal contaminated soil with poplar. Plant Biosystems 144:392-395
Oulevey C, Widmer F, Kölliker R, Enkerli J (2009). An optimized microsatellite marker set for detection of Metarhizium anisopliae genotype diversity on field and regional scales. Mycological Research 113:1016-1024
Schneider S, Enkerli J, Widmer F (2009). A generally applicable assay for the quantification of inhibitory effects on PCR. Journal of Microbiological Methods 78: 351-353
Schwarzenbach K, Enkerli, J, Widmer F (2009). Effects of biological and chemical insect control agents on fungal community structures in soil microcosms. Applied Soil Ecology 42: 54-62
Fournier A, Enkerli J, Keller S, Widmer F (2008). A PCR-based tool for the cultivation-independent monitoring of Pandora neoaphidis. Journal of Invertebrate Pathology 99: 49-56
Schwarzenbach K, Widmer F, Enkerli J (2007). Cultivation-independent analysis of fungal genotypes in soil using simple sequence repeat markers. Applied and Environmental Microbiology 73: 6519-6525
Hartmann M, Fliessbach A, Oberholzer H-R, Widmer F (2006). Ranking the magnitude of crop and farmingsystem effects on soil microbial biomass and genetic structure of bacterial communities. FEMS Microbiology Ecology 57:378-388
Enkerli J, Widmer F, Keller S (2004). Long-term field persistence of Beauveria brongniartii strains applied as biocontrol agents against European cockchafer larvae in Switzerland. Biological Control 29: 115-123