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You are here: Home / Archives for Growing Knowledge

Growing Knowledge archive

Note: This article is part of the Growing Knowledge series in Digger magazine. This series is provided by Oregon State University in collaboration with the United States Department of Agriculture and in partnership with the Oregon Association of Nurseries.

Progress towards effective Phytophthora root rot control

By Jerry Weiland — Posted October 31, 2023

OSU research shows different approaches required for management of common rhododendron disease.

Filed Under: Cankers, Growing Knowledge, Phytophthora, Plant Diseases, Plant Pests and Diseases, Root Rots

A slimy scourge

By Casey Richart — Posted October 12, 2023

Researchers seek effective biological controls against invasive North American slugs

Filed Under: Growing Knowledge, Nursery Operations Tagged With: Milky slug

The genetic revolution comes home

By Melodie Putnam — Posted September 5, 2023

Researchers seek new ways to make use of whole genome sequencing in plant production.

Filed Under: Blights, Growing Knowledge, Plant Diseases, Plant Pests and Diseases Tagged With: Plants, Research

Researchers roundup

By Lloyd Nackley — Posted July 26, 2023

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 […]

Filed Under: Beetles, Blights, Borers, Boxwood Blight, Emerald Ash Borer, Growing Knowledge, Insects, Phytophthora, Plant Diseases, Plant Pests and Diseases, Pythium Root Rot, Root Rots, Verticillium Root Rot Tagged With: Digger, Digger magazine

What’s growing on?

By Ryan Contreras — Posted June 21, 2023

OSU plant breeding program shows progress on promising new cultivars The plant breeding program at Oregon State University is continually working to bring new plants to market that will make growers more profitable and perform well for consumers. On behalf of the program, I wanted to update the industry on these efforts. New plants build […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, OAN Members, Plants

Measuring low-water stress

By Lauren Oki — Posted May 31, 2023

Expansive study evaluates climate-ready landscape plants for the western U.S. By Loren Oki and Jared Sisneroz We have all experienced extreme weather conditions, from heavy rain and snow to prolonged droughts, which have become more frequent in recent years. In response to the droughts that have threatened our water supplies, regulatory restrictions have been put […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Plants

Learning, connecting, engaging

By Silvia Rondon — Posted April 20, 2023

Oregon’s Integrated Pest Management Center serves as an innovative pest management hub for growers Article and photos By Silvia I. Rondon Since the early 1960s, the Oregon Integrated Pest Management (IPM) Center has accumulated a rich history of leading and coordinating multistate research and outreach programs to help a broad audience in the agricultural and […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Pests and Diseases, Plants

Going with the flow

By Lloyd Nackley — Posted March 24, 2023

Research on plant hydraulics helps explain the effect of drought stress on shade trees By Sadie Keller, Rebecca Sheridan, Scout Dahms-May, Carolyn Scagel and Lloyd Nackley In Oregon’s Willamette Valley, the heart of the nursery industry, rainfall is scarce during the summer and humidity is low. The plant stress resulting from the low soil moisture, […]

Filed Under: Growing Knowledge, Plant Diseases, Plant Pests and Diseases, Root Rots Tagged With: Digger, Digger magazine, Plants

A farmland boom

By Daniel Bigelow — Posted February 24, 2023

Despite soaring interest rates, farmland values in Oregon show no signs of slumping After a record sales year for nursery growers in 2021, the economic outlook for the industry remains mostly positive (McClellan, 2022). One of the main economic issues facing producers is the increasing cost of labor, as general price inflation and a tight […]

Filed Under: Growing Knowledge Tagged With: Business, Digger, Digger magazine

Dogging your voles

By Dana Sanchez — Posted January 30, 2023

Researchers explore whether hounds can assist in timely vole management By Dana Sanchez and Nick Andrews In the big picture, burrowing animals contribute significantly to natural ecosystems and the soils on which our own economies and lives depend. Burrowers contribute to soil aeration, provide nutrients and soil organic matter, participate in redistributing nutrients to the […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, OAN Members, pests, Plants

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NURSERY NEWS

Bailey Nurseries removed dams to build environmental resilience

The new NurseryGuide.com powers up with new features

Terra Gardens owner’s gesture for his mother opens the door to other wheelchair-bound gardeners

OAN announces 2025 Friends of Nurseries award winners

OAN leads grower-driven Japanese beetle solution

AmericanHort president and CEO to step down

In memoriam: Bill Van Belle

Longtime employee buys Heritage Seedlings and Liners

More Nursery News

From the pages of Digger

June: The Shrubs Issue

May 2026: the Sustainability Issue

April: The Tree Issue

March: The Perennials Issue

February: The Greenhouse Issue

More issues of Digger

Pests and Diseases

Managing Phytophthora: timing, temperature and emerging threats

Managing slugs and snails in Pacific Northwest nurseries

OAN leads grower-driven Japanese beetle solution

Prioritizing nursery pest challenges

New tools in the battle against thrips

More articles

FARWEST SHOW UPDATES

2026 Farwest Show issues calls for speakers

Excitement, optimism prevail at 2025 Farwest Show

Dazzling plants, products garner Retailer’s Choice Awards

Youngblood Nursery wins Best in Show booth honors at the 2025 Farwest Show

Glow Sticks Fescue wins top honors from judges at Farwest Show’s New Varieties Showcase 

More Updates from Farwest

The Value of Membership

AmericanHort president and CEO to step down

OAN honors industry leaders at 2025 Convention

Meet the Leader: Patrick Peterson

More member stories

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