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 […]
Knowing your cedar pests (Part 2)
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Part 2: Thuja, Juniperus and Cupressus It’s important to be aware of issues in the landscape and forest, as these can become problems in the nursery or for your customers. On the flip side, problems not detected in the nursery can become big issues when planted out at the customer’s end. Cedar trees have a […]
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 […]
Knowing your cedar pests
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Grower awareness of problems can protect both grower and customer It’s important to be aware of issues in the landscape and forest, as they can become problems in the nursery or for your customers. Cedar trees have a number of pest and problems to be aware of, from abiotic disorders to insects and diseases. Some […]
OSU and USDA Nursery Working Group
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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. […]
Ozone in the low zone
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These oxygen molecules in the lower atmosphere, also known as smog, can damage growing plants During the summer, attention turns to air quality all over the western United States, as smoke from hot forest fires fills our valleys. Most of the smoke is made of small particulates that are not known to damage plants. At […]
Handier handbooks
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Updated pest management handbooks are now
mobile-friendly and searchable online.