| classification of new phytoplasmas associated with diseases of strawberry in florida, based on analysis of 16s rrna and ribosomal protein gene operon sequences. | strawberry plants exhibiting symptoms of stunting and abnormally small leaves were observed in production fields in central florida, usa. since the symptoms were suggestive of phytoplasma infection, plants were assayed for presence of phytoplasma by pcr amplification of 16s rdna and ribosomal protein (rp) gene sequences. amplification of phytoplasma-specific dna sequences by pcr indicated infection of the diseased strawberry plants by phytoplasmas. rflp analyses of amplified 16s rdna revealed th ... | 1998 | 9542097 |