Jeffery Iles

Title: Horticulture Program Spcialist Area of Expertise: Research Focus
Dr. Iles has an integrated research/Extension program that identifies problems and issues relevant to Iowa's nursery (retail and production), landscape installation/maintenance, and tree care industries, and provides solutions, technical support, and science-based information to these increasingly important components of agriculture in Iowa.

Teaching/Advising Responsibilities
Dr. Ileis' teaching responsibilities include: Woody Plant Cultivars: Shade Trees (HORT 341); Landscape Plant Establishment & Maintenance (HORT 342); Horticulture Management & Administration (HORT 445); and Horticulture Teaching Practicum (HORT 698). He also is a frequent participant in the Horticulture Travel Course (HORT 496). Dr. Iles advises undergraduate and graduate students, and is a co-adviser to the ISU Horticulture Club.

Additional Biographical Information: Education Doctor of Philosophy, Iowa State University, 1993 Master of Science, Penn State University, 1985 Bachelor of Science, Michigan State University, 1977 Awards/Special Recognition Iowa Nursery & Landscape Association Honorary Lifetime Member, 2004 ASHS Extension Educational Aids Award, 2002 Iowa State Horticultural Society Award of Merit, 2001 Society of Municipal Arborists Award of Merit, 2000 ASHS Extension Educational Aids Award, 2000 Iowa Nursery & Landscape Association Merit Award, 2000 ISU Foundation Award for Early Achievement in Extension, 1997 ASHS Extension Educational Aids Award, 1995 ISU Extension New Professional Award, 1992 Iowa Nursery & Landscape Association Merit Award, 1992 Organizations/Appointments/Activities Bickelhaupt Arboretum (Clinton, IA), Board of Directors Brenton Arboretum (Dallas Center, IA), Board of Directors Iowa Arboretum (Madrid, IA), Board of Directors Iowa Arborist Association liaison to the International Society of Arboriculture Iowa Certified Nursery Professional, Program Advisor Iowa Urban & Community Forestry Council ISU Shade Tree Short Course, Chair Urban Forestry Center Midwestern Technology Transfer Committee Selected Publications Widrlechner, M.P., J.R. Thompson, J.K. Iles, and P.M. Dixon. 2004. Models for predicting the risk of naturalization of non-native woody plants in Iowa. J. Environ. Hort. 22(1):23-31. Iles, J.K. and A.M. Vold. 2003. Landscape tree cultivar preferences in Iowa. U.S. J. Arboric. 29(6):331-336. Romer, J.P., J.K. Iles, and C.L. Haynes. 2003. Selection preferences for crabapple cultivars and species. HortTechnology 13(3):522-526. Iles, J.K. 2003. The science and practice of stress reduction in managed landscapes. ISHS Acta Horticulturae 618: XXVI International Horticultural Congress: Environmental Stress and Horticulture Crops. Widrlechner, M.P. and J.K. Iles. 2002. A geographic assessment of the risk of naturalization of non-native woody plants in Iowa. J. Environ. Hort. 20(1):47-56. Dosmann, M.S., J.K. Iles, and M.P. Widrlechner. 2000. Stratification and light improve germination of katsura tree seed. HortTechnology 10(3):571-573. Iles, J.K. and M.S. Dosmann. 1999. Effect of organic and mineral mulches on soil properties and growth of Fairview Flame® red maple trees. J. Arboric 25(3):163-167. Dosmann, M.S., J.K. Iles, and W.R. Graves. 1999. Drought avoidance in katsura by drought-induced leaf abscission and rapid refoliation. HortScience 34(5):871-874. les, J.K., W.R. Graves, A.S. Aiello, C.L. Haynes, and K.E. Stone. 1998. Midwestern retail garden centers identify satisfaction/dissatisfaction with supplying wholesale nurseries. J. Environ. Hort. 16(4):243-247. Counties Served: Greene, Central and Western Iowa Housed in: Iowa State University Phone: 515-294-3718 Fax: 515-294-0730 Email: iles@iastate.edu Address: Department of Horticulture
106 Horticulture Hall
City,State: Ames, Iowa Zip: 50011-1100