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THURSDAY, FEBRUARY 28
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11:00 a.m. - 5:00 p.m.
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Registration
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Noon - 5:00 p.m.
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Optional* Growing Operations Tour:
Rambo Nursery and Southland Greenhouse
*Additional $50 fee required. Includes boxed lunch.
Transportation sponsored by Greenhouse Grower Magazine.
Rambo Nursery, a wholesale nursery specializing in annuals, has more than 260,000 sqare feet of heated greenhouses with 10
acres of outside production area and an on-site sales center. Southland Greenhouse specializes in
ornamental blooming plants. Covering 4 acres, the indoor greenhouse
focuses on mums, azaleas, Easter lilies, hydrangeas, and poinsettias.
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6:00 - 7:30 p.m.
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Networking Reception
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FRIDAY, FEBRUARY 29
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7:30 - 8:00 a.m.
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Continental Breakfast
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8:00 - 8:15 a.m.
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Introduction/Welcome
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8:15 - 9:15 a.m.
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Designing Disease Suppressive Growing Media
Mike Evans, Ph.D., University of Arkansas
Crop losses due to root rot pathogens such as Pythium, Phytophthora, Thielaviopsis and Rhizoctonia can be significant. Various substrate components and amendments have been reported to increase the disease suppressiveness of the growing media, thereby reducing the incidence of disease caused by these soilborne pathogens. Dr. Evans will discuss these components and amendments, as well as the proper design, and mixing and handling of the media to maximize its disease suppressive qualities.
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9:15 -10:00 a.m.
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Plant-Essential Oils: Are They Viable Pest Control Materials?
Raymond A. Cloyd, Ph.D., Kansas State University
The recent emphasis on "organic," "sustainability" and "green" has resulted in an interest in using pest control materials (insecticides and miticides) derived from plants or plant parts. Dr. Cloyd will present an in-depth discussion on the background and characteristics of plant-derived essential oils including issues associated with phytotoxicity and efficacy. The results of university-based efficacy trials against several commonly encountered greenhouse arthropod pests will be presented.
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10:00 - 10:30 a.m.
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Break -- Meet the Exhibitors/Discussion with Speakers
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10:30 - 11:15 a.m.
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Pest Control Material Resistance and Mode of Action
Ronald Oetting, Ph.D. University of Georgia
Resistance to pest control materials (in this case insecticides and miticides) is always a concern to effectively manage arthropod pests and sustain currently-available products. Dr. Oetting will discuss resistance management, pesticides rotations, mode of action, and IRAC (Insecticide Resistance Action Committee) classifications.
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11:15 a.m. - Noon
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Fungicides: What's New and What's Working
Mary Hausbeck, Ph.D., Michigan State University
Chemical fungicides can be important tools in the management of plant diseases. Learn how and when to use these products to maximize results. Dr. Hausbeck will take a peek into what is in the pipeline for use in the future, and how these products compare with the old favorites.
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Noon - 1:15 p.m.
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Lunch
Sponsored by the American Floral Endowment
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1:15 - 2:00 p.m.
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New and Emerging Arthropod Pests
Lance Osborn, Ph.D., University of Florida-MREC
Due to globalization, every year new arthropod pests enter the United States threatening both agriculture and horticultural crops. Dr. Osborne will discuss new and emerging arthropod pests including chilli thrips, Q-biotype whitefly, and just recently the fig whitefly that greenhouse producers should be aware of so that appropriate and timely pest management decisions may be implemented
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2:00 - 2:30 p.m.
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Diseases You Hope Your Plants Won't Get
Colleen Warfield, Ph.D. University of California CES
Surprises are never fun when plant diseases are involved. Dr. Warfield will highlight some of the more unusual disease problems that were diagnosed on ornamental greenhouse crops in 2007.
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2:30 - 3:15 p.m.
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Silicon Applications: A New Pest Management Strategy?
Brian Hogendorf, Doctoral Student, University of Illinois
Silicon applications have been shown to negatively affect certain plant pathogens; however, minimal information exists on how silicon fertilizer applications may negatively impact arthropod pests. A Ph.D student of Dr. Raymond Cloyd, Hogendorf will present information, based on his research, associated with the effect of silicon applications, and the potential use of silicon for control of mealybugs and whiteflies.
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3:15 -3:45 p.m.
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Break -- Meet the Exhibitors/Discussion with Speakers
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3:45 - 4:15 p.m.
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Biological Fungicides
Wade Elmer, Ph.D., The Connecticut Agricultural Experiment Station
Many biological fungicides have been marketed for use in ornamentals. Dr. Elmer will discuss the different types, their properties, and efficacy data from controlled greenhouse trials on poinsettia, cyclamen, and gladiolus.
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4:15 - 5:15 p.m.
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Current, Short Term, Future & Star Wars Research Projects for Ornamental Crops
James Locke, Ph.D., USDA/ARS Greenhouse Production Research Group
The USDA-ARS Greenhouse Production Research Group, located in Toledo, Ohio, is involved in fundamental and developmental plant research aimed at developing tools for early stress detection and efficient agrochemical utilization for horticulture crops. This five-year-old project has focused on looking at the interaction(s) between plant nutrition and water relations with diseases. Dr. Locke's presentation will focus on research involving the development of non-invasive tools to detect root disease in advance of symptom expression, the evaluation of silicon as a beneficial nutrient, and the development of a software model to facilitate decision-making in support of a best management practices approach to production.
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5:15 p.m.
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Closing Comments
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SATURDAY, MARCH 1
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7:00 a.m. - 8:00 a.m.
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Registration
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7:30 - 8:00 a.m.
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Continental Breakfast
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8:00 - 8:15 p.m.
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Welcome/Comments
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8:15 - 9:00 a.m.
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Thrown Off Balance: What to Do When a New or Resistant Pest Shows Up
Lance Osborne, Ph.D., University of Florida-MREC
The proper use of pest control materials (insecticides and miticides) is important in order to maintain their longevity and in particular-their effectiveness. However, when pest control materials fail to provide control of arthropod pests one of the first possible explanations usually indicated by greenhouse producers is resistance. Well, in some cases, this may be true. Dr. Osborne will discuss the options that greenhouse producers have when dealing with a new or a resistant arthropod pest population.
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9:00 - 9:45 a.m.
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Management of Fusarium Diseases
Wade Elmer, Ph.D. The Connecticut Agricultural Experiment Station
There are very few options for ornamental growers plagued by Fusarium diseases in their operations. Dr. Elmer will present cultural and chemical strategies that can effectively suppress Fusarium diseases in potted ornamental crops.
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9:45 - 10:15 a.m.
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Break -- Meet the Exhibitors/Discussion with Speakers
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10:15 - 11:15 a.m.
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Compatibility of Pest Control Materials with Natural Enemies
Rene Ruiter, Koppert Biological Systems, Inc.
There is a general interest in combining biological control agents with pest control materials (insecticides, miticides, and fungicides) in order to regulate arthropod pests in greenhouses. However, can natural enemies actually be used in conjunction with pesticides? Ruiter will discuss the prospects of implementing biological control programs along with the use of pest control materials. The discussion will address which pesticides may be used with parasitoids and predators, and the lethal and sub-lethal effects of pesticides on natural enemies.
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11:15 a.m. - Noon
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Managing Downy Mildews
Mary Hausbeck, Ph.D., Michigan State University
Downy mildew is not your average mildew. It is a new and troublesome problem for producers growing coleus, and a continuing problem for rose growers. Dr. Hausbeck's talk will focus on coleus and other crops susceptible to downy mildew, and will include information on pathogen biology and control tactics for effective management of this serious disease.
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Noon - 1:15 p.m.
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Lunch
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1:15 - 2:00 p.m.
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Optimization of Sand Filtration to Remove Pathogens from Irrigation Runoff
Loren Oki, Ph.D., University of California-Davis
Slow sand filtration is an old technology that is now being used more routinely in the U.S. This system is based on the principle of a bed of sand that serves as a substrate trapping bacteria and other organisms while allowing water to pass. Dr. Oki will present his results from controlled experiments evaluating pathogen removal, and how different flow rates affect the ability of the filters to remove pathogens.
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2:00 - 2:45 p.m.
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The Fundamentals of Tank Mixtures
Raymond A. Cloyd, Ph.D., Kansas State University |
2:45 - 3:15 p.m.
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Break -- Meet the Exhibitors/Discussion with Speakers
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3:15 - 4:00 p.m.
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Update On New Insecticides and Miticides
Rick Yates, Griffin Greenhouse & Nursery Supplies
Insecticides and miticides are important tools in dealing with arthropod pests in greenhouses. Yates will present information on the new insecticides and miticides including target arthropod pests and costs, and how they can be incorporated into your current pest management program.
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4:00 p.m.
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Wrap Up and Final Comments |
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