Geoffrey Jaffuel

Research interests

Some arthropods can cause problematic damages to crops, transmit diseases or infest houses. We study their chemical ecology in order to find chemicals that repel them and/or attract them, with the aim of developing sustainable strategies to combat these pests.



  1. Stelkens R. B., Jaffuel G., Escher M., Wedekind C. (2012). Genetic and phenotypic population divergence on a microgeographic scale in brown trout. Molecular Ecology.


  1. Purcell J, Avril A, Jaffuel G , Bates S, Chapuisat M (2014) Ant brood function as life preservers during floods. PLoS ONE. 9(2): e89211


  1. Hiltpold, I., Jaffuel, G., & Turlings, T. C. J. (2014). The dual effects of root-cap exudates on nematodes: from quiescence in plant-parasitic nematodes to frenzy in entomopathogenic nematodes. Journal of Experimental Botany


  1. Campos-herrera, R., Jaffuel, G., Chiriboga, X., Fesselet, M., Půža, V., Blanco-Pérez, R., Turlings, T.C.J (2014). Traditional and molecular detection methods reveal intense interguild competition and other multitrophic interactions associated with native entomopathogenic nematodes in Swiss tillage soils. Plant Soil. doi:10.1007/s11104-014-2358-4


  1. Kim, J., Jaffuel, G., & Turlings, T. C. J. (2014). Enhanced alginate capsule properties as a formulation of entomopathogenic nematodes. BioControl.


  1. Jaffuel, G., Hiltpold, I., Turlings, T. C. J. (2015) Highly potent extracts from Pea (Pisum sativum) and Maize (Zea mays) roots can be used to induced quiescence in Entomopathogenic nematodes. Journal of Chemical Ecology.


  1. Campos-Herrera, R., Půža V., Jaffuel G., Blanco-Pérez R., Čepulytė-Rakauskienė R., Turlings, T. C. J. (2015) Unraveling the intraguild competition between Oscheius spp. nematodes and entomopathogenic nematodes: Implications for their natural distribution in Swiss agricultural soils. Journal of Invertebrate Pathology.


  1. Jaffuel, G., Mäder, P., Blanco-perez, R., Chiriboga, X., Fliessbach, A., Turlings, T.C.J., Campos-herrera, R. (2016). Prevalence and activity of entomopathogenic nematodes and their antagonists in soils that are subject to different agricultural practices. Agriculture Ecosystems Environment


  1. Chiriboga M., X., Campos-Herrera, R., Jaffuel, G., Röder, G., Turlings, T.C.J. (2017) Diffusion of the maize root signal (E)-β-caryophyllene in soils of different textures and the effects on the migration of the entomopathogenic nematode Heterorhabditis megidis. Rhizosphere.


  1. Jaffuel, G., Blanco-Pérez, R., Büchi, L., Mäder, P., Fließbach, A., Charles, R., ... & Campos-Herrera, R. (2017). Effects of cover crops on the overwintering success of entomopathogenic nematodes and their antagonists. Applied Soil Ecology, 114, 62-73.


  1. Brütsch, T., Jaffuel, G., Vallat, A., Turlings, T. C., & Chapuisat, M. (2017). Wood ants produce a potent antimicrobial agent by applying formic acid on tree‐collected resin. Ecology and evolution, 7(7), 2249-2254.


  1. Imperiali, N., Chiriboga, X., Schlaeppi, K., Fesselet, M., Villacrés, D., Jaffuel, G., ... & Maurhofer, M. (2017). Combined field inoculations of Pseudomonas bacteria, arbuscular mycorrhizal fungi and entomopathogenic nematodes and their effects on wheat performance. Frontiers in Plant Science, 8, 1809.


  1. Jaffuel, G., Chappuis, L., Guillarme, D., Turlings, T. C., & Glauser, G. (2018). Improved separation by at-column dilution in preparative hydrophilic interaction chromatography. Journal of Chromatography A, 1532, 136-143.


  1. Jaffuel, G., Blanco-Pérez, R., Hug, A. S., Chiriboga, X., Meuli, R. G., Mascher, F., ... & Campos-Herrera, R. (2018). The evaluation of entomopathogenic nematode soil food web assemblages across Switzerland reveals major differences among agricultural, grassland and forest ecosystems. Agriculture, Ecosystems & Environment, 262, 48-57.


  1. Jaffuel, G., Půža, V.,Hug, A-S., Giulio Meuli, R., Nermuť, J., Turlings, T.C.J., Desurmont G.A.,  & Campos-Herrera, R. (2018) Molecular detection and quantification of slug parasitic nematodes from the soil and their hosts. Journal of Invertebrate Pathology, 160, 18-25


  1. Jaffuel, G., Imperiali, N., Shelby, K., Campos-Herrera, R., Ryan Geisert, R., Maurhofer, M., Loper J., Keel, C., Turlings, T.C.J., Hibbard B.E. (2018). Protecting maize from rootworm damage with the combined application of arbuscular mycorrhizal fungi, Pseudomonas bacteria and entomopathogenic nematodes. Scientific Reports, 9, 3127.


  1. Jaffuel, G., Sbaiti, I., & Turlings, T. C. (2020). Encapsulated Entomopathogenic Nematodes Can Protect Maize Plants from Diabrotica balteata Larvae. Insects, 11(1), 27.


  1. Kim, J., Hiltpold, I., Jaffuel, G., Sbaiti, I., Hibbard, B. E., & Turlings, T. C. (2021). Calcium-alginate beads as a formulation for the application of entomopathogenic nematodes to control rootworms. Journal of Pest Science, 1-12.


  1. Arce, C. C., Theepan, V., Schimmel, B. C., Jaffuel, G., Erb, M., & Machado, R. A. (2021). Plant-derived CO2 mediates long-distance host location and quality assessment by a root herbivore. eLife, 10:e65575.

Geoffrey Jaffuel

Post-doctorant - lead scientist


+41 32 718 25 13

Bureau D105