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You are here: Home / Archives for Oregon State University

Nostoc: A nursery nemesis

By Luisa Santamaria — Posted May 25, 2022

Exploring novel approaches to long-term, sustainable management, and even use, of cyanobacteria By Luisa Santamaria, Maria Marlin and Katie Gregor One mention of nostoc is likely enough to fill any nursery manager with intense terror and agony. Nostoc, a green jelly-like film growing over gravel or on ground surfaces that are constantly wet, is a […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Nursery operations, Oregon State University, OSU, Pests and Diseases

Keeping lawns healthy

By Alec Kowalewski — Posted April 20, 2022

Research points to certain practices for minimizing invasive annual bluegrass By Alec Kowalewski, Clint Mattox, and Alyssa Cain Desirable turfgrass species in western Oregon include, but are not limited to, perennial ryegrass and tall fescue. Perennial ryegrass will produce a dense, dark green lawn when regularly mowed, irrigated, and fertilized. Tall fescue, on the other […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Growing Knowledge, Oregon State University, OSU, Pests and Diseases

Oregon State hires dean of agriculture sciences

By Bill Goloski — Posted March 23, 2022

Staci Simonich has been appointed the dean of the Oregon State University (OSU) College of Agricultural Sciences and director of the Oregon Agricultural Experiment Station, according to a release from the university. Simonich has more than 20 years of experience with the university, starting as an assistant professor in 2001. She has been an interim […]

Filed Under: Nursery News Tagged With: Nursery News, Oregon State University, OSU

Villains of the greenhouse II

By Jay Pscheidt — Posted February 22, 2022

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 […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Growing Knowledge, Oregon State University, OSU, Pests and Diseases

Knowing your cedar pests (Part 2)

By Jay Pscheidt — Posted December 20, 2021

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 […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Growing Knowledge, Oregon State University, OSU, Pests and Diseases

Know thy enemy

By Chris Hedstrom — Posted November 28, 2021

Expert insect pest identification resources are available in Oregon The foundations of a good integrated pest management (IPM) plan are scouting, monitoring and identification — knowing where and when you have pests, and knowing exactly who those pests are. Scouting and monitoring techniques are straightforward. One can use tools like sticky cards, traps, bait plants, […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Growing Knowledge, Oregon State University, OSU

Testing tolerance with Marengo

By Dr. Marcelo L. Moretti — Posted October 26, 2021

Herbicide’s label allows growers to experiment with various plants and levels Herbicides are an important weed control method in container-grown ornamental plants. Knowledge of crop tolerance to herbicides is essential for a safe and effective weed control program. Tolerance to a specific herbicide application method depends on the crop species and the cultivar. Thus, developing […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Growing Knowledge, Oregon State University, OSU, Pests and Diseases

Restoring a conifer classic

By Ryan Contreras — Posted September 22, 2021

Breeding disease-resistant Port Orford cedar for reforestation and the horticulture industry By Ryan Contreras and Richard Sniezko Port Orford cedar (Chamaecyparis lawsoniana) is a long-lived conifer native to northwestern California and southwestern Oregon. It spans an elevational range from sea level to 5,000 feet or more. In forestry, the tree has both economic and ecological […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Oregon State University, OSU, Pests and Diseases, Trees

Call it ‘herbal distancing’

By Jerry Weiland — Posted August 27, 2021

Research shows that spacing out boxwood shrubs in production prevents the spread of infectious spores By Mana Ohkura, Lloyd Nackley, Carolyn Scagel and Jerry E. Weiland It’s been a year and a half since the COVID-19 pandemic started. We have been hearing how social distancing prevents the spread of the virus and we see signs […]

Filed Under: Growing Knowledge Tagged With: boxwood blight, Digger, Digger magazine, Oregon State University, OSU

A fine, low input turf

By Alec Kowalewski — Posted July 29, 2021

Researchers look into the helpful properties of fine fescue turgrasses By Alec Kowalewski, Emily Braithwaite and Ruying Wang Fine fescue is a group of different cool-season turfgrasses in the Festuca genus with narrow or fine leaves (Image 1). These grasses are generally known for excellent shade and cold tolerance, as well as persistence when maintained […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Growing Knowledge, Oregon State University, OSU

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The Value of Membership

Meet the Leader: Rod Park

President’s Awards Banquet recognizes vital contributions

Meet the Leader: Mark Bigej

More member stories

NURSERY NEWS

Bailey hires trade communications specialist

Pursell Agri-Tech hires director of turf and ornamentals

Fall Creek hires general counsel

Oregon State hires dean of agriculture sciences

In Memoriam: Laszlo Geza Pomazi

More Nursery News

From the pages of Digger

May 2022 — The Technology Issue

April 2022 — The Tree Issue

March 2022 — The Greenhouse Issue

February 2022 — Retail Outlook issue

January 2022 – Nursery Country

More issues of Digger

CORONAVIRUS COVERAGE

Virtual is the new reality – for now

Trade shows in the time of COVID

A demand ‘renaissance’ for nurseries

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Nursery Guide LIVE

Nursery Guide LIVE clicks into place

Booth spaces still available for Nursery Guide LIVE March 17–18

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Keynote presentations at Nursery Guide LIVE virtual marketplace provide insight on green industry trends in 2021 and beyond

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