The Plight of Pollinators - The University of Tennessee Institute of ...

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Pam's Mountain BouquetHello, Pam’s Mountain Bouquet!The institute’s dogwood research team is well known for its “Appalachian” series of dogwoods, which can befound or ordered at garden centers and nurseries. Appalachian Spring is resistant to dogwood anthracnose,a deadly disease for dogwoods. Appalachian Mist, Appalachian Snow and Appalachian Blush, whichcan have a pink tinge, are white-bracted cultivars that are highly resistant to powdery mildew, anotherserious threat. Appalachian Joy is also highly resistant to powdery mildew. But it’s this cultivar’s blossomsthat catch attention, because the tree has extra bracts that make for a showy spring display.The vivid white flowers ON THISnew dogwood look like nothing more thanperfect squares of white paper. Meet Pam's MountainBouquet, the latest dogwood variety developedby the institute’s team of dogwood researchers andExtension personnel.This Cornus kousa dogwood’s eye-catching fusedbracts make for a distinctive and showy springdisplay. Pam’s Mountain Bouquet joins five othercultivars that the institute has developed andreleased. The trees provide nurseries with highdemandstock and landscapers and homeownerswith lovely, disease-resistant dogwoods that enhancetheir homes and lands.The work that resulted in the new release startedmore than two decades ago, when scientists withUT AgResearch began evaluating kousa species for28
Appalachian Snow Appalachian Mist Appalachian Blushresistance to anthracnose, a serious disease that canlead to dogwood death. The best of the trees wereplanted and preserved at the UT Forest ResourcesAgResearch and Education Center in Oak Ridge,Tenn. The dogwood team then chose Pam’s MountainBouquet as the best of the best.Kousas bloom later than flowering dogwood species,extending the season of spring blooms. When hotspring weather led flowering dogwoods to bloomearly this year, it was kousas that saved the day forKnoxville’s famed Dogwood Arts Festival, bloomingas they did during the festival’s set schedule of days.In addition to Pam’s Mountain Bouquet, the dogwoodteam is releasing two cultivars that will be soldby nurseries in Japan.“The Japanese don't have a lot of space in theirgardens, so they are fascinated with tall, narrowdogwoods, which we are releasing there,” says dogwoodteam member Mark Windham, a professor ofplant pathology.Extension plant pathologist Alan Windham andplant pathology professor Bob Trigiano are alsomembers of the dogwood team. Trigano is chiefmanager of the team’s business, Creative AgriculturalTechnologies LLC. CAT is one of UT’slongest-running spinoff companies.“Bob and I formed the company to provideAgResearch with a mechanism to release geneticallyimproved ornamental plants,” Mark Windham says.“We give Tennessee nurseries first right of refusalon our varieties for at least two years, which givesthem a head start on the market.”Pam’s Mountain Bouquet is expected to becomeavailable to homeowners in four years, allowingnurseries time to build up their stock. The team’spreviously released varieties, in their Appalachianseries, are sold at U.S. nurseries. – Margot EmeryAppalachian JoyFor more information, contact MarkWindham, mwindham@tennessee.edu, or Trigiano, rtrigano@tennessee.edu, or call 865-386-1872.29
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