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Controlling Meloidogyne javanica on Desmodium ovalifolium with Grasses. Jillian M. Lenné, Tropical Pastures Program, Centro Internacional de Agricultura Tropical (CIAT), Apartado Aéreo 6713, Cali, Colombia. Plant Dis. 65:870-871. Accepted for publication 6 March 1981. Copyright 1981 American Phytopathological Society. DOI: 10.1094/PD-65-870.

The effect of grasses on the reaction of Desmodium ovalifolium (accession CIAT 350) to Meloidogyne javanica was measured. The nematode was less pathogenic to the legume in association with 22 of 49 grasses, including accessions of the promising pasture grasses Andropogon gayanus, Brachiaria humidicola, B. mutica, B. ruziziensis, Panicum maximum, and Hemarthria altissima. Roots of these grasses may produce substances that are toxic to M. javanica.