Ralf-Udo Ehlers

Overview

Best Publications

• Nematodes as biocontrol agents

  Parwinder S. Grewal;Ralf-Udo Ehlers;David I. Shapiro-Ilan

  710
  Citations

• Mass production of entomopathogenic nematodes for plant protection

  Ralf-Udo Ehlers

  516
  Citations

• Status of entomopathogenic nematodes and their symbiotic bacteria from selected countries or regions of the world

  Harry K. Kaya;M.M. Aguillera;Alfred Alumai;Ho Yul Choo

  291
  Citations

• Current and Future Use of Nematodes in Biocontrol: Practice and Commercial Aspects with Regard to Regulatory Policy Issues

  Ralf-Udo Ehlers

  261
  Citations

• Pathogenicity, development, and reproduction of Heterorhabditis bacteriophora and Steinernema carpocapsae under axenic in vivo conditions.

  Richou Han;Ralf-Udo Ehlers

  257
  Citations

• Food signal production of Photorhabdus luminescens inducing the recovery of entomopathogenic nematodes Heterorhabditis spp. in liquid culture

  O. Strauch;R.-U. Ehlers

  193
  Citations

• Establishment of monoxenic inocula for scaling up in vitro cultures of the entomopathogenic nematodes Steinernema spp. and Heterorhabditis spp

  S. Lunau;S. Stoessel;A.J. Schmidt-Peisker;R.-U. Ehlers

  191
  Citations

• Susceptibility of leatherjackets (Tipula paludosa and Tipula oleracea; Tipulidae; Nematocera) to the entomopathogenic nematode Steinernema feltiae.

  Arne Peters;Ralf-Udo Ehlers

  190
  Citations

• Nematodes as Biological Control Agents

  Parwinder S Grewal;R Ehlers;D I Shapiro-llan

  185
  Citations

• Liquid culture of the entomopathogenic nematode-bacterium-complex Heterorhabditis megidis/Photorhabdus luminescens

  Ralf-Udo Ehlers;Stefan Lunau;Karina Krasomil-Osterfeld;Karl Hermann Osterfeld

  170
  Citations

• Dangerous liaisons: The symbiosis of entomopathogenic nematodes and bacteria

  Todd A. Ciche;Creg Darby;Ralf-Udo Ehlers;Steven Forst

  167
  Citations

• The structure of the Brassica napus seed microbiome is cultivar-dependent and affects the interactions of symbionts and pathogens

  Daria Rybakova;Riccardo Mancinelli;Riccardo Mancinelli;Mariann Wikström;Ann-Sofie Birch-Jensen

  159
  Citations

• Lawn, turfgrass and pasture applications.

  P. S. Grewal;A. M. Koppenhöfer;H. Y. Choo;R. U. Ehlers

  138
  Citations

• Insect Biocontrol with Non-endemic Entomopathogenic Nematodes (Steinernema and Heterorhabditis spp.): Conclusions and Recommendations of a Combined OECD and COST Workshop on Scientific and Regulatory Policy Issues

  R.-U. Ehlers;H. M. T. Hokkanen

  135
  Citations

• Field persistence of the entomopathogenic nematode Heterorhabditis bacteriophora in different crops

  Alper Susurluk;Alper Susurluk;Ralf-Udo Ehlers

  129
  Citations

• Culture conditions define automictic or amphimictic reproduction in entomopathogenic rhabditid nematodes of the genus Heterorhabditis

  O. Strauch;S. Stoessel;R.-U. Ehlers

  128
  Citations

• Foliar application of the entomopathogenic nematode Steinernema carpocapsae for biological control of diamondback moth larvae (Plutella xylostella)

  S. Schroer;R.-U. Ehlers

  124
  Citations

• Compatibility and interactions with agrochemicals and other biocontrol agents.

  A. M. Koppenhöfer;P. S. Grewal;R. U. Ehlers;D. I. Shapiro-Ilan

  116
  Citations

• Juvenile development and life cycle of Heterorhabditis bacteriophora and H. indica (Nematoda: Heterorhabditidae)

  Stefan-Andreas Johnigk;Ralf-Udo Ehlers

  109
  Citations

• The influence of phase variants of Xenorhabdus spp. and Escherichia coli (Enterobacteriaceae) on the propagation of entomopathogenic nematodes of the genera Steinernema and Heterorhabditis

  Ralf-Udo Ehlers;Stefan Stoessel;Urs Wyss

  100
  Citations