Co-Authors:
Cohn, E., The Volcani Institute of Agricultural Research, Rehovot, Israel
Abstract:
In studies on the host range of the citrus nematode in Israel, four new hosts - Calodendrium capensis, Citrus volkameriana, Ruta bracteosa and R. graveolens - were recorded. Severinia buxifolia, when reared in an agar medium, was found to support egg-laying females of the nematode, but failed to do so when grown in soil. In inoculation trials, the minimum time required (at 24° C) for completion of the nematode life-cycle on Poncirus trifoliata was 14 weeks; on R. bracteosa, 10 weeks; on S. buxifolia, grown in vitro, 9.5 weeks; and on C. aurantium and C. limettioides, 7 weeks. More nematodes completed their life cycle during a given period of time on C. limettioides than on C. aurantium. The differences in the host status of the various plant species are discussed. © 1965 BRILL.
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