| Nematodes as biocontrol agents PS Grewal, RU Ehlers, DI Shapiro-Ilan CABI, 2005 | 739 | 2005 |
| Mass production of entomopathogenic nematodes for plant protection RU Ehlers Applied microbiology and biotechnology 56, 623-633, 2001 | 547 | 2001 |
| Status of entomopathogenic nematodes and their symbiotic bacteria from selected countries or regions of the world HK Kaya, MM Aguillera, A Alumai, HY Choo, M De la Torre, A Fodor, ... Biological control 38 (1), 134-155, 2006 | 312 | 2006 |
| Pathogenicity, development, and reproduction of Heterorhabditis bacteriophora and Steinernema carpocapsae under axenic in vivo conditions R Han, RU Ehlers Journal of invertebrate pathology 75 (1), 55-58, 2000 | 268 | 2000 |
| Current and future use of nematodes in biocontrol: practice and commercial aspects with regard to regulatory policy issues RU Ehlers Biocontrol Science and technology 6 (3), 303-316, 1996 | 258 | 1996 |
| Food signal production of Photorhabdus luminescens inducing the recovery of entomopathogenic nematodes Heterorhabditis spp. in liquid culture O Strauch, RU Ehlers Applied microbiology and biotechnology 50, 369-374, 1998 | 202 | 1998 |
| Establishment of monoxenic inocula for scaling up in vitro cultures of the entomopathogenic nematodes Steinernema spp. and Heterorhabditis spp S Lunau, S Stoessel, AJ Schmidt-Peisker, RU Ehlers Nematologica 39 (1-4), 385-399, 1993 | 198 | 1993 |
| Susceptibility of leatherjackets (Tipula paludosa and Tipula oleracea; Tipulidae; Nematocera) to the entomopathogenic nematode Steinernema feltiae A Peters, RU Ehlers Journal of Invertebrate Pathology 63 (2), 163-171, 1994 | 184 | 1994 |
| Dangerous liaisons: the symbiosis of entomopathogenic nematodes and bacteria TA Ciche, C Darby, RU Ehlers, S Forst, H Goodrich-Blair Biological Control 38 (1), 22-46, 2006 | 175 | 2006 |
| Liquid culture of the entomopathogenic nematode-bacterium-complex Heterorhabditis megidis/Photorhabdus luminescens RU Ehlers, S Lunau, K Krasomil-Osterfeld, KH Osterfeld BioControl 43, 77-86, 1998 | 172 | 1998 |
| Insect biocontrol with non-endemic entomopathogenic nematodes (Steinernema and Heterorhabditis spp.): conclusions and recommendations of a combined OECD and COST workshop on … RU Ehlers, HMT Hokkanen Biocontrol Science and Technology 6 (3), 295-302, 1996 | 167 | 1996 |
| The structure of the Brassica napus seed microbiome is cultivar-dependent and affects the interactions of symbionts and pathogens D Rybakova, R Mancinelli, M Wikström, AS Birch-Jensen, J Postma, ... Microbiome 5, 1-16, 2017 | 151 | 2017 |
| Mass production. RU Ehlers, DI Shapiro-Ilan Nematodes as biocontrol agents, 65-78, 2005 | 150 | 2005 |
| Endotokia matricida in hermaphrodites of Heterorhabditis spp. and the effect of the food supply SA Johnigk, RU Ehlers Nematology 1 (7), 717-726, 1999 | 148 | 1999 |
| Field persistence of the entomopathogenic nematode Heterorhabditis bacteriophora in different crops A Susurluk, RU Ehlers BioControl 53, 627-641, 2008 | 137 | 2008 |
| Culture conditions define automictic or amphimictic reproduction in entomopathogenic rhabditid nematodes of the genus Heterorhabditis O Strauch, S Stoessel, RU Ehlers Fundamental and Applied Nematology 17 (6), 575-582, 1994 | 133 | 1994 |
| Foliar application of the entomopathogenic nematode Steinernema carpocapsae for biological control of diamondback moth larvae (Plutella xylostella) S Schroer, RU Ehlers Biological Control 33 (1), 81-86, 2005 | 123 | 2005 |
| The influence of phase variants of Xenorhabdus spp. and Escherichia coli (Enterobacteriaceae) on the propagation of entomopathogenic nematodes of the genera Steinernema and … RU Ehlers, S Stoessel, U Wyss Revue de nématologie 13 (4), 417-424, 1990 | 121 | 1990 |
| Regulation of biological control agents and the EU policy support action REBECA RU Ehlers Regulation of biological control agents, 3-23, 2011 | 117 | 2011 |
| Forum on safety and regulation. RU Ehlers Nematodes as biocontrol agents, 107-114, 2005 | 108 | 2005 |
