NEMATODES OCCURRING IN THE RHIZOSPHERE OF WALNUT IN ITALY

A. Ciancio, P. Fazio, F. Lamberti

Abstract


A survey of plant parasitic nematodes associated with walnut was carried out in Italy. Data showed the occurrence of Mesocriconema xenoplax, Pratylenchus vulnus, Cacopaurus pestis and Gracilacus peratica at frequencies lower than 30% of the plants examined. Other records from the rhizosphere of walnut included Xiphinema pachtaicum, X. italiae and Longidorus proximus. In host status tests P. vulnus reproduced on walnut cvs Sorrento, Bleggiana, Conco and Fongara and M. xenoplax reproduced on cvs Sorrento and Bleggiana. No reproduction on cvs Bleggiana and Sorrento was observed for the longidorid species.

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