First Report of Gymnosporangium sabinae, European Pear Rust, on Bradford Pear in Michigan.

@article{Yun2009FirstRO,
  title={First Report of Gymnosporangium sabinae, European Pear Rust, on Bradford Pear in Michigan.},
  author={H. Yun and A. Rossman and J. Byrne},
  journal={Plant disease},
  year={2009},
  volume={93 8},
  pages={
          841
        }
}
Bradford pear, Pyrus calleryana Decne., is well known as an ornamental plant for its flowers, leaf color in fall, and disease resistance, making it desirable as a street tree. In August and October of 2008, the aecial stage of Gymnosporangium sabinae (Dicks.) G. Winter was collected from leaves of P. calleryana in Farmington, MI (Oakland County). The one tree had foliage that was severely affected by the rust fungus. Using published descriptions of G. sabinae as the synonym of G. fuscum, type… Expand
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Gall causing organisms
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