The effect of linalool on second-stage juveniles of the potato cyst nematodes Globodera rostochiensis and G. pallida

Authors

  • Vincas Buda
  • Rasa Cepulyte-Rakauskiene

Abstract

Linalool is either a toxic compound to a few species of plant parasitic nematodes or attractive to entomopathogenic nematodes. This compound is produced and emitted by several host plants of Globodera rostochiensis and G. pallida, the potato cyst nematodes (PCN). With the aim to reveal the effect of linalool on PCN, laboratory assays were carried out. Survival of PCN secondstage juveniles (J2s) in water + linalool control did not differ; thus, proving linalool to be nontoxic to PCN. Behavioral assays carried out in Petri dishes revealed attractiveness in the form of positive response of J2s of both PCN species towards linalool. Based on these behavioral assays, sensitivity to linalool of G. rostochiensis J2s was higher compared with that of G. pallida J2s. Linalool is the first compound of plant origin to elicit positive response in both PCN species.

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Published

2011-12-15

Issue

Vol. 43, No. 3-4 (September - December 2011)

Section

Contributed Papers

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