There are many programs at Oregon State University (OSU) and the USDA-ARS- Horticulture Crops Research Laboratory that focus on nursery, greenhouse, landscape and related crops. Here are some of the people and their programs that impact the ornamental industry of Oregon. Neil Bell evaluates landscape plants for drought tolerance and cold hardiness in western Oregon. […]
Testing the waters
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How to test your irrigation system for the presence of Phythophthora By Neelam R. Redekar and Jennifer L. Parke Phytophthora is a fungus-like organism — called a water mold — that can infect a wide variety of nursery plant species. One of the ways it can spread is through irrigation water. Depending on size, a […]
Emerging threats to conifer foliage
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Growers and nurseries should be on the lookout for these diseases By Jared LeBoldus, Dave Shaw, and Paul Reeser Two new foliage diseases of Douglas fir and several other conifer species are emerging in Oregon, and they could be a threat to conifer growers and nurseries. The pathogens include Phytophthora pluvialis, the cause of Pytophthora […]
Heroes and villains
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Research identifies harmful and beneficial microbes in nursery soil Four years ago, we received funding from the Floriculture and Nursery Research Initiative to study the interaction of soil-borne pathogens and environment on nursery plant health and disease control (Digger, July 2015). Since then, we have made significant progress in identifying the beneficial and pathogenic microbes […]
Handier handbooks
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Updated pest management handbooks are now
mobile-friendly and searchable online.
Slow sand filters
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This traditional method of water purification was tested for its effectiveness at removing two common greenhouse pathogens, Phytophthora and Fusarium.
Disinfectants: In search of a silver bullet
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Answers to the question, “What is the best product to use for disinfecting tools, benches and greenhouses?”
Soil solarization in container nurseries and field production
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Discover this hot tool for managing diseases and weeds in container nurseries and field production.
Soilborne diseases of nursery crops
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USDA-ARS and OSU team up to tackle this pernicious problem
USDA awards $2.7 million for research into plant pathogens
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The U.S. Department of Agriculture’s National Institute of Food and Agriculture has awarded group of colleges, led by Virginia Tech, a $2.7 million grant to conduct research on integrated management of zoosporic pathogens and irrigation water quality. Researchers will look for biological control methods for fighting Phythophthora, Pythium and other pathogens. Researchers will also “develop […]
