Get to know the horticultural researchers at OSU and USDA Many programs focus on nursery, greenhouse, landscape and related crops at Oregon State University (OSU) and the Horticulture Crops Research Laboratory at the Agricultural Research Service (USDA ARS), the principal in-house research agency of the United States Department of Agriculture. Here are some of the […]
Villains of the greenhouse II
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When seedlings fail, Fusarium damping-off or wilt could be another cause Part two of a series. Part one of Villains of the greenhouse, published in the April 2021 issue of Digger, covered Rhizoconia damping-off, root rot and stem rot. It can be viewed at www.diggermagazine.com/villains-of-the-greenhouse. There are many fungi that live and survive in the […]
Villains of the greenhouse
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When seedlings fail, Rhizoctonia damping-off, root and stem rot may be the cause There is so much hope for the future when we plant seeds, but that can be dashed when they don’t emerge, or when they fall over soon after popping out of the media. There are many fungi that live and survive in […]
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 […]
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 […]
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 […]