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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.

Growing Knowledge: Focusing on silicon

By Jana Lee — Posted January 7, 2025

Researchers study using silicon-calcium supplementation on rhododendrons to reduce herbivores.

Filed Under: Growing Knowledge

Colored pots have benefits beyond branding

By Jake Shreckhise — Posted November 21, 2024

USDA research shows plant container color can prevent root damage from high temperatures

Filed Under: Growing Knowledge

Aiming for precision in pest control

By Lloyd Nackley — Posted September 26, 2024

Researchers evaluate trunk spray effectiveness of air-blast sprayers with sensors to target Pacific flatheaded borer

Filed Under: Growing Knowledge, Plant Pests and Diseases

Growth, challenges, and the road ahead for the nursery industry

By Lloyd Nackley — Posted September 10, 2024

Jeb Fields, and Ryan Contreras In a recent article published in HortTechnology, titled “How Natural Resources, Consumer Perceptions, and Labor Are Transforming the U.S. Nursery Industry,” nursery science researchers from across the United States examined the current state and future of the nursery industry. The paper, available free online (TinyURL.com/IndustryPaper), highlights the substantial economic impact […]

Filed Under: Growing Knowledge

Highlights from the 2024 Oregon Nursery Science Summit

By Lloyd Nackley — Posted July 29, 2024

Participants get update on research, insect and pest management and plant selection and production

Filed Under: Growing Knowledge, Phytophthora, Plant Pests and Diseases

OSU Ornamental Plant Breeding Program developing new cultivars for city settings

By Ryan Contreras — Posted June 25, 2024

Lloyd Nackley and Carolyn Scagel Since 2009, the The Oregon State University Ornamental Plant Breeding Program has been dedicated to developing seedless varieties of resilient plant species that were previously considered invasive. This approach is crucial because when we introduce plants to urban and suburban areas, we need them to thrive despite facing challenging conditions […]

Filed Under: Growing Knowledge

New tools to forecast boxwood blight infection risk in Pacific Northwest nurseries

By Brittany Barker — Posted May 28, 2024

The protection of boxwood in Oregon depends on precise timing of surveillance, monitoring, and management of boxwood blight infections.

Filed Under: Blights, Boxwood Blight, Growing Knowledge, Plant Diseases, Plant Pests and Diseases Tagged With: boxwood blight

Researchers at Oregon State University are testing pots made from recycled materials

By Jooyeoun Jung — Posted May 1, 2024

The industry needs sustainable solutions to reduce plastic waste and an alternative is the use of plantable biopots without separating biopots before planting, which favors microbial biodegradation.

Filed Under: Growing Knowledge Tagged With: Sustainability

Update on flatheaded borer management in specialty tree crops

By Karla Addesso — Posted March 29, 2024

In 2020, a multi-state research project led by Drs. Karla Addesso and Jason Oliver of Tennessee State University was funded by the USDA-Specialty Crop Research Initiative to coordinate research on this pest group.

Filed Under: Borers, Flatheaded Borer, Growing Knowledge, Insects, Plant Pests and Diseases Tagged With: Pests and Diseases

Exploring stratified substrates and soil hydraulics in agricultural science

By Lloyd Nackley — Posted February 29, 2024

Stratified substrates involve arranging potting media of varying textures in layers within a single container. This structured layering entails placing coarser-textured substrates at the bottom and finer-textured ones on top, mimicking natural soil layers.

Filed Under: Growing Knowledge

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NURSERY NEWS

GOP gubernatorial candidate Christine Drazan visits Farwest Show

Deciphering Oregon’s plastics recycling law

J. Frank Schmidt & Son Co. celebrates 80 years as a nursery standout

Monrovia Nursery Company celebrates 100 years of innovation and looks to the future

New AmericanHort CEO introduces himself to OAN

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

More Nursery News

From the pages of Digger

September 2026 Digger

August 2026 Digger: Farwest Show Edition

July 2026

June: The Shrubs Issue

May 2026: the Sustainability Issue

More issues of Digger

Pests and Diseases

Box tree moths pose a threat to Oregon nurseries

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

More articles

FARWEST SHOW UPDATES

GOP gubernatorial candidate Christine Drazan visits Farwest Show

Sofia® Cherry Laurel and Saturnalia™ American hybrid oak shine at New Varieties Showcase 

Eschenfelder Farms wins Best in Show at Farwest

A sense of excitement in the air at Farwest

Deciphering Oregon’s plastics recycling law

More Updates from Farwest

The Value of Membership

ONF scholarships help recipients launch their career in horticulture

New AmericanHort CEO introduces himself to OAN

OAN members see benefits and rewards from serving ag industry organizations

More member stories

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