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Managing Powdery Mildew on Verbenas


Managing Powdery Mildew on Verbenas


Powdery mildew is caused by the fungus Erysiphe cichoracearum. This pathogen infects many different hosts, including annual and perennial flowers, and vegetables. However, this is not the same powdery mildew fungus that infects roses or poinsettias. The fungus grows only on living tissue and becomes established on healthy plants.

Source: • American Floral Endowment Special Research Reports #119

Keywords: Powdery mildew Verbena

Libraries: Floriculture

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