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

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureC1: Artikels in proceedings van wetenschappelijke congressen, die niet inbegrepen zijn in A1, A2, A3 of P1

Uittreksel

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.

TaalEngels
TitelInternational 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
Aantal pagina's8
Volume114
Plaats productieWarwick, UK
UitgeverijAssociation of Applied Biologists
Datum2012
Pagina's29-36
StatusGepubliceerd - 2012
EvenementInternational Advances in Pesticide Application (2012) - Wageningen, Nederland
Duur: 10-jan-201212-jan-2012
http://www.aab.org.uk

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