Sudden Oak Death Findings in the Midwest

Jill Calabro, Ph.D. June 24 2019

Phytophthora ramorum, the cause of so-called “sudden oak death,” was detected on plant material being sold in garden centers in Indiana and Kansas this spring. The pathogen is not expected to be established in these areas but entered the states via the plant trade.
One source, Kansas State Extension, reported that infected rhododendrons were found in ten Midwest states, all traced back to a common supplier. Nursery plants will remain a major concern in the Midwest. Walmart and Home Depot are listed as two distributors of the rhododendrons, and consumers who purch...

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