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Behavioural avoidance by slugs and snails of the parasitic nematode Phasmarhabditis hermaphrodita

Wynne, R and Morris, A and Rae, R (2016) Behavioural avoidance by slugs and snails of the parasitic nematode Phasmarhabditis hermaphrodita. Biocontrol Science and Technology, 26 (8). pp. 1129-1138. ISSN 0958-3157

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Abstract

The nematode Phasmarhabditis hermaphrodita has been developed as a biological control agent for slugs and snails. Slugs avoid areas where P. hermaphrodita is present. We investigated whether behavioural avoidance of P. hermaphrodita is a common feature of slugs and snails by exposing eight species to P. hermaphrodita. We showed that slugs generally avoided P. hermaphrodita, whereas snails did not. We also showed that slugs specifically avoided the commercial strain and a natural isolate of P. hermaphrodita and were not deterred by other nematodes such as Steinernema kraussei or Turbatrix aceti. We also showed that slugs avoided the dauer stage of P. hermaphrodita and not mixed-stage cultures. Furthermore, slugs do not avoid dead P. hermaphrodita or exudates from live nematodes. Taken together, we have unravelled further factors that are essential for slugs to avoid P. hermaphrodita in soil, which could have important implications for the biological control of slugs and snails.
© 2016 Informa UK Limited, trading as Taylor & Francis Group.

Item Type: Article
Additional Information: This is an Accepted Manuscript of an article published by Taylor & Francis in Biocontrol Science and Technology on 17/06/2016, available online: http://www.tandfonline.com/http://dx.doi.org/10.1080/09583157.2016.1185513
Uncontrolled Keywords: 1001 Agricultural Biotechnology, 0501 Ecological Applications, 0502 Environmental Science And Management
Subjects: Q Science > QH Natural history
Divisions: Natural Sciences and Psychology
Publisher: Taylor & Francis
Date Deposited: 26 Jul 2016 10:33
Last Modified: 07 Sep 2017 13:04
DOI or Identification number: 10.1080/09583157.2016.1185513
URI: http://researchonline.ljmu.ac.uk/id/eprint/3942

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