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New Perspectives on the Epidemiology of Citrus Stubborn Disease in California Orchards

A. F. S. Mello, R. K. Yokomi, U. Melcher, J. C. Chen, E. Civerolo, A. C. Wayadande, and J. Fletcher

May 2010


We investigated the severity and epidemiology of citrus stubborn disease (CSD) in California. Specific objectives of this project were to: (i) optimize sampling protocols and tools for detection of S. citri in citrus plants; (ii) analyze the incidence of stubborn disease in California orchards; (iii) assess the impact of S. citri on citrus development and production; and (iv) evaluate the genetic diversity among isolates of S. citri from different locations, countries, hosts, and time of isolation.


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