Effect of spray volume on the deposition, viability and infectivity of entomopathogenic nematodes in a foliar spray on vegetables

Eva Brusselman, Bert Beck, Sabien Pollet, Femke Temmerman, Maurice Moens, David Nuyttens

Research output: Chapter in Book/Report/Conference proceedingC1: Articles in proceedingspeer-review

Abstract

Spray volume can influence the amount of free water on the leaf surface and subsequently the ability of entomopathogenic nematodes (EPN) to move on the leaf and find a host. In this study, we investigated the effect of spray volume, viz. 548, 730 and 1095 L ha-1 on the deposition, viability and infectivity of entomopathogenic nematodes against Galleria mellonella on savoy cabbage and cauliflower. No significant effect of spray volume was observed on the relative deposition of EPN on the bottom side of cauliflower and savoy cabbage leaf discs. Despite the low nematode deposition on the bottom side of the savoy cabbage discs, high infectivity was obtained. Using the lowest spray volume on savoy cabbage, infectivity decreased with increasing exposure time, while infectivity was not affected by exposure time when a spray volume of 730 L ha-1 or more was used.

Original languageEnglish
Title of host publicationInternational Advances in Pesticide Application
EditorsP G Anderson, P Balsari, P I Carpenter, S E Cooper, C R Glass, B Magri, P C H Miller, C Mountford-Smith, T H Robinson, D Stock, W A Taylor, J van de Zande
Number of pages8
Volume114
Place of PublicationWarwick, UK
PublisherAssociation of Applied Biologists
Publication date2012
Pages29-36
Publication statusPublished - 2012
EventInternational Advances in Pesticide Application (2012) - Wageningen, Netherlands
Duration: 10-Jan-201212-Jan-2012
http://www.aab.org.uk

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