Resistance of Commercial Watermelon (Citrullus lanatus) to Pseudomonas pseudoalcaligenes subsp. citrulli. Robert W. Goth, Plant Pathologist, USDA Science and Education Administration, Agricultural Research, Beltsville Agricultural Research Center, Beltsville, MD 20705. Raymon E. Webb, Plant Pathologist, USDA Science and Education Administration, Agricultural Research, Beltsville Agricultural Research Center, Beltsville, MD 20705. Plant Dis. 65:671-672. Accepted for publication 12 November 1980. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1981. DOI: 10.1094/PD-65-671.

Thirty-eight watermelon cultivars were tested in the greenhouse for resistance to Pseudomonas pseudoalcaligenes subsp. citrulli. All cultivars showed some resistance, but only the cultivar Garrisonian was immune. Kleckley Sweet No. 6 as the most susceptible.

Keyword(s): bacterial disease.