New variety of zebra chip disease threatens potato production in southwestern Oregon

phys.org | 10/14/2009 | Staff
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Named after the dark stripes that form inside potatoes after they are cut and fried, zebra chip disease is a potentially devastating affliction that can result in yield losses up to 100% for farmers.

The disease, caused by the bacterium 'Candidatus Liberibacter solanacearum,' has been economically damaging commercial crops, including potato, tomato, and pepper, in the central and western United States, Mexico, Central America, and New Zealand since the early 2000s.

Period - Mid-2000s - Management - Disease - Texas

In a three-year period in the mid-2000s, chemical management of the disease in Texas cost an estimated $25.86 million. The Pacific Northwest spends an estimated $11 million a year on chemical management.

"The economic impact of zebra chip disease on the U.S. potato industry cannot be taken lightly," write K. D. Swisher Grimm and S. F. Garczynski, authors of "Identification of a New Haplotype of 'Candidatus Liberibacter solanacearum' in Solanum tuberosum," an article in Plant Disease.

Swisher - Grimm - Garczynski - Tubers - Klamath

Swisher Grimm and Garczynski received potato tubers from the Klamath Basin in Oregon...
(Excerpt) Read more at: phys.org
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