Distribution of a Parasite of Root-Knot Nematodes in South Australian Vineyards. G. R. Stirling, Senior Nematologist, Department of Agriculture, Research Centre, Loxton, South Australia 5333. A. M. White, Technical Assistant, Department of Agriculture, Research Centre, Loxton, South Australia 5333. Plant Dis. 66:52-53. Accepted for publication 14 April 1981. Copyright 1982 American Phytopathological Society. DOI: 10.1094/PD-66-52.

Bacillus penetrans was widespread in medium-aged and old vineyards but was difficult to detect in vineyards that were less than 10 yr old. In some old vineyards, enough Meloidogyne females were parasitized to implicate the parasite in the natural biological control of the nematode.

Keyword(s): Vitis vinifera.