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Allyl isothiocyanate shows promise as a naturally produced suppressant of the potato cyst nematode, Globodera pallida, in biofumigation systems

Lookup NU author(s): Claire Wood, Dr Julia Cooper

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Abstract

© 2017 by Koninklijke Brill NV, Leiden, The Netherlands. The ability of isothiocyanates to suppress Globodera pallida was evaluated through in vitro assays. Several isothiocyanates increased juvenile mortality, the most effective being allyl isothiocyanate, which caused 100% mortality at both 25 and 50 ppm after 72 and 24 h exposure, respectively. In a hatching assay, allyl isothiocyanate was able to suppress hatch; in addition, replenishing allyl isothiocyanate every 3 days increased hatch suppression, and viability staining indicated that egg mortality was increased. Allyl isothiocyanate above concentrations of 50 ppm significantly affected both hatch suppression and mortality. Differing effects of isothiocyanates on G. pallida suggest that their toxicity depends on the pest of interest and this study shows that allyl isothiocyanate is a good candidate for the control of potato cyst nematodes using biofumigation.

Publication metadata

Author(s): Wood C, Kenyon DM, Cooper JM

Publication type: Article

Publication status: Published

Journal: Nematology

Year: 2017

Volume: 19

Issue: 4

Pages: 389-402

Print publication date: 01/05/2017

Online publication date: 02/05/2017

Acceptance date: 02/04/2016

ISSN (print): 1388-5545

ISSN (electronic): 1568-5411

Publisher: Brill Academic Publishers

URL: https://doi.org/10.1163/15685411-00003054

DOI: 10.1163/15685411-00003054

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