Erigeron Witches'-broom phytoplasma in brazil represents new subgroup VII-B in 16S rRNA gene group VII, the ash yellows phytoplasma group
BARROS, Thereza S. L ; DAVIS, Robert E ; RESENDE, Renato O ; DALLY, Ellen L
Plant disease, 2002-10, Vol.86 (10), p.1142-1148 [Revista revisada por pares]St. Paul, MN: American Phytopathological Society
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