First report of plant-parasitic nematode Meloidoderita salina in the Netherlands

S. Ashrafi, J. Helder, S.J.J. van den Elsen, M. Jansen, G. Karssen

Research output: Contribution to journalComment/Letter to the editorAcademicpeer-review

Abstract

After the description of the root-parasitic nematode Meloidoderita salina from a tidal salt marsh in France (1), an additional sampling was carried out to search for the presence of this unusual nematode in a tidal salt marsh area close to Sint-Annaland, province Zeeland in the Netherlands. In August and October 2012, a total of 25 soil and root samples were collected from the halophytic plants Atriplex portulacoides L. (so far the only known host for this nematode species), A. littoralis L., A. prostrata Boucher ex DC., Limonium vulgare Mill., Salicornia europaea L., Aster tripolium L. and Plantago maritima L.. All these halophytes grow in a cohesive muddy soil type within the salt marsh, whereas A. littoralis and A. prostrata grow in the litter tidal zones on the edges of this area. Nematodes from roots and soil were extracted respectively by using centrifugal flotation technique (2) and Oostenbrink’s cotton-wool filter method (4). Additionally roots were used for direct observation of females and young cystoids with a dissecting microscope. Finally all stages were compared morphologically with available type material (1). Examined root and soil samples demonstrated that only nematodes isolated from Atriplex portulacoides, A. littoralis and A. prostrata contained all live stages of the genus Meloidoderita. These soil samples included males, cystoids and second-stage juveniles in low densities ( 99% identity with M. salina sequences from nematodes collected in the afore-mentioned tidal salt marsh in France (FJ969126 and FJ969127). To our knowledge, this is the first report of Meloidoderita salina in the Netherlands. Moreover, this is the first record of M. salina parasitizing Atriplex littoralis and Atriplex prostrata. Although these Atriplex species are used for human consumption, the effect of M. salina on the host is unknown so far.
Original languageEnglish
Pages (from-to)859-859
JournalPlant Disease
Volume98
Issue number6
DOIs
Publication statusPublished - 2014

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