Identification and molecular characterization of a phytoplasma associated with sunflower in Argentina

  title={Identification and molecular characterization of a phytoplasma associated with sunflower in Argentina},
  author={Fabiana A{\'i}da Guzm{\'a}n and Fabi{\'a}n Giolitti and F. Mary Harin Fernandez and Claudia Fernanda Nome and Sergio Lenardon and L. S. Conci},
  journal={European Journal of Plant Pathology},
Sunflower (Helianthus annuus L.) plants showing capitulum with virescence, phyllody and flower malformation, shortened internodes and abnormal branches were found in a field in Pedro Luro (Buenos Aires province, Argentina). Pleomorphic bodies resembling phytoplasmas were observed in sieve tube elements of symptomatic plants but not in healthy ones. DNA from all symptomatic sunflower plants analysed yielded, in direct PCR with phytoplasma universal primers P1/P7 and R16F2n/R2, fragments of… CONTINUE READING

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