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Entomopathogenic nematodes of the genera Steinernema and Heterorhabditis are used in biocontrol against soil-borne insect pests. These nematodes live in a close symbiotic relation with bacteria of the genera Xenorhabdus and Photorhabdus, respectively. It it only the concert of both partners which makes them candidates for biological control, enables them to occupy a niche in the soil environment, invade a host insect, overcome the defense mechanism of the insect and propagate in the dead host. Very little is known about the interactions between the two partners. This publication is a report of the workshop "Nematode-Bacterium Symbiosis" held at the Kossuth Lajos University of Science in Debrecen, Hungary, in May, 1994. The objective of COST Action 819 "Entomopathogenic Nematodes" is to enhance the use of these antagonists in biological control of soil-borne insect pests by coordination of European scientific expertise. Within the Action five working groups concentrate on isolation and identification, application and production, nematode biology and genetics, nematode ecology and symbiotic bacteria and pathogenicity mechanisms.

Additional information

Authors: BOEMARE N, Université Montpellier II, Laboratoire de Pathologie Comparée (FR);EHLERS R-U, Institute für Phytopathologie, Abteilung Biotechnologie und Biologie, Raisdorf (DE);FODOR A, Institute of Genetics, Hungarian Academy of Science, Szeged (HU);SZENTIRMAI A (EDITORS), Kossuth Lajos University of Science, Department of Microbiology and Biotechnology, Debrecen (HU)
Bibliographic Reference: EUR 16727 EN (1996) 140pp., FS, free of charge
Availability: Available from the European Commission, COST Secretariat, DG XII, 200 rue de la Loi, B-1049 Bruxelles (BE)
ISBN: ISBN 92-827-5786-2
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