Dr. Doug Bailey is a Professor in the Department of Horticultural Science at North Carolina State University located in Raleigh, N.C. Doug joined the faculty at N.C. State in 1990. A native of Athens, Georgia, Dr. Bailey received his BS from the University of Georgia in horticulture. He received his MS and PhD in horticulture from Purdue University.

Doug's responsibilities at NC State University include teaching courses in greenhouse management and floriculture crop production. He also oversees the annual flower trials where over 500 cultivars are evaluated yearly and is editor of the North Carolina Commercial Flower Growers' Bulletin. His areas of research expertise include growth and flowering of florists' hydrangea and water quality considerations for floriculture production.

Theo J. Blom is a Research Scientist (Greenhouse Floriculture) in the Department of Plant Agriculture, Horticultural Research Institute of Ontario, University of Guelph, Vineland Station in Canada. He has been the floricultural research scientist at the Horticultural Research Institute of Ontario since 1979.

His research focuses on production management of both potted plants and cut flowers in greenhouses. His main interests have been in various aspects related to substrate, nutrition and irrigation of plants and factors affecting stem elongation such as far-red light and temperature.

Wayne Brown is a Greenhouse Floriculture Specialist at the Ontario Ministry of Agriculture, Food & Rural Affairs Horticultural Research Institute of Ontario, Vineland Station in Canada. As provincial greenhouse floriculture specialist he is responsible for providing commercial growers with specialized information in the areas of crop production, media and nutrition, and disease management through a variety of means including newsletters, training workshops, conferences and one-on-one consultations.

He is also involved in numerous applied research projects involving production trials with crops such as poinsettias,and Easter lilies; disease management in recirculating subirrigation systems including Fusarium/cyclamen, Erwinia and Calla lilies.

Dr. Hannah Mathers is an Assistant Professor and Nursery Crops Regional Extension Agent in the Department of Horticulture at the Oregon State University's North Willamette Research and Extension Center in Aurora. She received her Associate Diploma in Agriculture in 1980 from the University of Guelph and her B.S. in Plant Science/Pomology in 1986 from Cornell University. She received her M.S. in Freeze Resistance Physiology in 1988 from the University of Saskatchewan and her Ph.D. in Stress Physiology in 1997 from Michigan State University.

She works closely with growers and horticulture associations in the Northwest. Her research projects include studying the effects of late-season hardening on development of resistance to Phytophthora root rot in perennials and examination of carriers for applying pre-emergent herbicides to container-grown nursery stock.

Dr. Don Wilkerson is a Professor and Extension Horticulturist in the Department of Horticultural Sciences, Texas A&M University. He received his B.S. in Horticulture in 1976 from Arkansas State University. He received his M.S. and Ph.D. in Horticulture in 1978 and 1981, respectively from the University of Arkansas and Louisiana State University. Dr. Wilkerson became a member of the graduate faculty at Texas A&M University in October 1989.

Dr. Wilkerson's areas of research are foliage, flowering and bedding plants with an emphasis on nutrition, culture, production, and applied technology. Dr. Wilkerson has a 100% appointment with the Texas Agricultural Extension Service. In this role he works closely with growers throughout the state in cultural and management problems. His primary interests deal with environmental issues concerning the nursery/floral industry. These include: surface and groundwater protection, waste-water reuse, irrigation management for conservation, solid waste management and recycling of agricultural plastics.

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