Pacific Pests and Pathogens Pacific Pests, Pathogens & Weeds - Mini Fact Sheet Edition

Watermelon fruit blotch (196) Print Fact Sheet


Common Name

Fruit blotch; it is also known as bacterial fruit blotch.

Scientific Name

Acidovorax citrulli; previously this bacterium was named Acidovorax avenae subsp. citrulli, and when first isolated from watermelon, it was Pseudomonas pseudoalcaligenes subsp. citrulli. Several strains exist.

AUTHOR Grahame Jackson
Information from CABI (2019) Acidovorax citrulli (fruit blotch) Crop Protection Compendium. (; and Acidovorax citrulli. Wikipedia. (; and from Islam MR (2019) Development of molecular markers for dection of Acidovorax citrulli strains causing bacterial fruit blotch disease in melon. International Journal of Molecular Sciences 20(11):2715. Photo 1 Gerald Holmes, California Polytechnic State University at San Luis Obispo, Photo 2 George Wall, formerly CALS/AES University of Guam. Photo 3 Jason Brock, University of Georgia,

Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.

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