K-State’s John C. Pair Horticultural Center is home to National Elm Trial
HAYSVILLE — It’s been nearly 100 years since Dutch elm disease was unwittingly brought to North America where elm tree varieties had no resistance to the devastating fungal mold that’s spread by elm bark beetles.
Within a few decades, majestic mature American elm trees along parkways and landscapes were dying by the hundreds of thousands across the country.
In 2007, Kansas State University’s John C. Pair Horticultural Center established a National Elm Trial as part of a larger national effort to evaluate different cultivars for various traits including resistance to Dutch elm disease. The center’s site near Wichita has 18 cultivars that are resistant to Dutch elm disease or DED. Of the 18, four are true American elm cultivars and the…