Bacterial leaf spot of peppers and tomato

Bacterial leaf spot on peppers and tomatoes is caused by a gram-negative and rod-shaped bacterium in the genus Xanthomonas.[1] It causes symptoms throughout the above-ground portion of the plant including leaf spots, fruit spots and stem cankers.[1][2][3][4] There are four pathovars classified in three different species that can cause this disease, named by alphabetical groups.[5] Nevertheless, the prevention and treatment is very similar: since this bacterium cannot live in soil for more than a few weeks and survives as inoculum on plant debris, removal of dead plant material and chemical applications to living plants are considered effective control mechanisms.[6]

  1. ^ a b Thieme, Frank et al. 2005. Insights into Genome Plasticity and Pathogenicity of the Plant Pathogenic Bacterium Xanthomonas campestris pv. vesicatoria Revealed by the Complete Genome Sequence. J Bacteriol. 2005 November; 187(21): 7254–7266.
  2. ^ University of Connecticut- Integrated Pest Management. 2012. Managing Bacterial Leaf Spot in Pepper. "UCONN IPM: Integrated Pest Management:Vegetables:Peppers:Diseases:Bacterial Leaf Spot". Archived from the original on February 25, 2001. Retrieved October 24, 2012.
  3. ^ Cornell University – Vegetable MD Online. 2012. Managing Bacterial Leaf Spot in Pepper. http://vegetablemdonline.ppath.cornell.edu/NewsArticles/PepperLeafSpot.htm
  4. ^ EPPO quarantine pest. 1996. Data Sheets on Quarantine Pests- Xanthomonas vesicatoria. Prepared by CABI and EPPO for the EU under contract 90/399003.
  5. ^ "Xanthomonas euvesicatoria pv. euvesicatoria (XANTEU)[Overview]| EPPO Global Database". gd.eppo.int. One of the bacteria causing bacterial spot of tomato and pepper, together with Xanthomonas euvesicatoria pv. perforans, Xanthomonas hortorum pv. gardneri, Xanthomonas vesicatoria.
  6. ^ The American Phytopathological Society website. 2012. Bacterial spot of tomato and pepper. http://www.apsnet.org/edcenter/intropp/lessons/prokaryotes/Pages/Bacterialspot.aspx
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