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First Report of Powdery Mildew of Tecoma capensis Caused by Erysiphe peruviana in North America

D. A. Glawe, T. Barlow, and M. E. Matheron

March 2010


Tecoma capensis (Thunb.) Lindl. (Bignoniaceae, common name: Cape honeysuckle), native to southern Africa, is grown as an ornamental plant in warm regions of the USA. The powdery mildew reported previously from T. capensis in North America was an undetermined Oidium species in Florida. The present report documents the occurrence of the powdery mildew fungus Erysiphe peruviana (Syd.) U. Braun & S. Takam. on T. capensis in Arizona.


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