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<p>Severe phyllody and little leaf symptoms were observed on roses and <i>Cleome viscosa&#xa0;</i>plants in the nurseries of Andhra Pradesh, India. Nested PCR assay for amplifyingphytoplasma DNA, Phylogenetic and virtual RFLP analysis were performed to confirm the presence and identify the associated phytoplasma. The results specified the presence of phytoplasma on two commercial rose varieties and in the alternate host and confirmed “<i>Candidatus</i> Phytoplasma australasiaticum (16SrII-D)” strain as the causal agent in both diseased rose cultivars and the alternate host. This is the first report and identification of phytoplasma infecting roses in Andhra Pradesh.</p>

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Occurrence of Candidatus Phytoplasma australasiaticum (16SrII-D) species infecting roses and weed plants in Andhra Pradesh, India

  • 期刊论文

  • 发表日期：

    2026年2月4日

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  • Dasari Meghanath,
  • Kalleti Arunodhayam,
  • Madem Gurivi Reddy,
  • Chitrapu Ruth,
  • Mude Raja Naik,
  • Kottam Sushma,
  • Rao Thulasi,
  • Kuruba Gopal

摘要

Severe phyllody and little leaf symptoms were observed on roses and Cleome viscosa plants in the nurseries of Andhra Pradesh, India. Nested PCR assay for amplifyingphytoplasma DNA, Phylogenetic and virtual RFLP analysis were performed to confirm the presence and identify the associated phytoplasma. The results specified the presence of phytoplasma on two commercial rose varieties and in the alternate host and confirmed “Candidatus Phytoplasma australasiaticum (16SrII-D)” strain as the causal agent in both diseased rose cultivars and the alternate host. This is the first report and identification of phytoplasma infecting roses in Andhra Pradesh.