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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.

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

PACE courses coming for nursery, greenhouse IPM

By Lloyd Nackley — Posted January 30, 2024

The Nursery Program at the Oregon State University Northwest Extension Center in Canby, Oregon, will soon be offering online courses for Pesticide Applicator Continuing Education Credits (PACE) and to the nursery community at large. The upcoming PACE classes are intended to provide more industry-specific information about strategies for pest management in greenhouses and nurseries, and […]

Filed Under: Growing Knowledge Tagged With: ipm

Pulse electric field technology may be a viable pest control alternative to methyl bromide

By Jerry Weiland — Posted December 28, 2023

Pulse electric field (PEF) employs bursts of high-voltage electricity to inactive microorganisms. Primarily used in the food industry, some researchers have reported promising results in nematode and plant disease control (Riga et al. 2020). We are collaborating with Lisi Global to adapt an existing technology for a new use in the ornamental nursery industry.

Filed Under: Growing Knowledge Tagged With: Biological Pest Control, Plants, Retail Nurseries

Program equips growers with knowledge to prevent and diagnose nursery crop diseases

By Luisa Santamaria — Posted November 29, 2023

Our mission is to provide nurseries and their teams with the information and resources they need to protect and improve plant health.

Filed Under: Blights, Boxwood Blight, Growing Knowledge, Phytophthora, Plant Diseases, Plant Pests and Diseases Tagged With: Education, Plants, Wholesale 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

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NURSERY NEWS

In Memoriam: Melvin John Steffenson

New USDA Census of Hort arriving in mailboxes this month

Oregon Association of Nurseries honors the industry’s best at 2024 Convention

Eason Horticultural Resources is now employee-owned

Oregon’s nursery licensing program aims to keep the entire industry healthy

Building trust is key to establishing clientele base for new nurseries

Five owners share their experiences on what it takes to start a nursery businesses

Bailey hires new CFO and chief HR officer

More Nursery News

From the pages of Digger

May 2025: Sustainability Issue

April 2025: The Tree Issue

March 2025: The Perennial Issue

February 2025: The Greenhouse Issue

January 2025: The Retail Issue

More issues of Digger

Pests and Diseases

Prioritizing nursery pest challenges

New tools in the battle against thrips

Aiming for precision in pest control

Oregon’s nursery licensing program aims to keep the entire industry healthy

$250,000 shifted to P. austrocedri research

More articles

FARWEST SHOW UPDATES

Sense of excitement prevailed at Farwest as nursery industry ‘Meets the Future’ 

Farwest Show attendees select favorites for the Retailers’ Choice Awards

Starway to Heaven™ Japanese Snowbell wins People’s Choice balloting at Farwest Show New Varieties Showcase

Hopper Bros. wins Best in Show booth award at 2024 Farwest Show   

Starway to Heaven™ Japanese Snowbell wins Judges’ Best in Show at Farwest Show New Varieties Showcase

More Updates from Farwest

The Value of Membership

Meet the leader: Sam Pohlschneider

OAN honors the industry’s best

Oregon Association of Nurseries honors the industry’s best at 2024 Convention

More member stories

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