07/20/2019
The Ohio Department of Agriculture (ODA) and the USDA have detected Phytophthora ramorum, the pathogen that causes Sudden Oak Death, on rhododendron plants shipped to Walmart and Rural King stores throughout the state.
Phytophthora ramorum is a harmful plant pathogen that can cause several oak tree species to die (Sudden Oak Death) and also causes diseases in numerous other plant, shrub, and tree species.
The ODA states “Ohioans who purchased rhododendrons or lilac plants from these stores between March and May of this year to dispose of them to prevent further spread of the disease. Plants can be destroyed by burning, deep burial or double-bagging the plant, including the root ball, in heavy duty trash bags for disposal into a sanitary landfill (where allowable).” In addition, garden tools used on any infected plants should be sterilized with bleach or 91% or higher alcohol. This will help control the spread of the disease.
If you have any questions about Phytophthora ramorum or would like to report a possible infected plant, you are encouraged to contact the Ohio Department of Agriculture Division of Plant Health by email at [email protected] or 614-728-6406. Also, You can find more information or report potentially infected plants at the Ohio Department of Agriculture’s website: https://agri.ohio.gov/wps/portal/gov/oda/divisions/plant-health/invasive-pests/p-ramorum-survey.
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