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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.

Don’t get burned by charcoal rot

By Jerry Weiland — Posted November 2, 2022

Soilborne fungus can afflict hebes and a wide range of other host plants Hebes (pronounced heebees) are an interesting group of evergreen shrubs, mainly from New Zealand, although there are also a few from South America and French Polynesia. Botanically, they are now placed in the genus Veronica, but many will know them by their […]

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

The fight against flatheaded borers

By Lloyd Nackley — Posted October 3, 2022

Oregon State University researchers from the Nackley (nursery) and Wiman (orchards) programs have teamed up with scientists from across the country to study the biology and management of flatheaded borers. Flatheaded borers are beetles, from the order Coleoptera and the Buprestidae family, that can be devastating pests of ornamental trees grown in nurseries, transplanted landscape trees, trees grown for wood or other products, and fruit and nut crops.

Filed Under: Growing Knowledge

An integrated plan of attack against pests

By Chris Hedstrom — Posted September 12, 2022

The Northwest Nursery Crop Research Center (part of the USDA- Agricultural Research Service, or USDA-ARS, Horticultural Crops Research Center) in Corvallis, Oregon recently funded the creation of the first Integrated Pest Management (IPM) Strategic Plan for Oregon’s ornamental nursery industry.

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, integrated pest management, ipm, Oregon State University, OSU, pests

Bred for success

By Ryan Contreras — Posted July 21, 2022

These are some current and future cultivars from Oregon State University Ornamental Plant Breeding I am in my 13th year at Oregon State University (OSU). Spending more than a decade doing something sounds like a long time, but in the world of woody plant breeding, that is just getting warmed up. That is how I feel […]

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

A beneficial breath of fresh air

By Jana Lee — Posted June 22, 2022

Testing the use of wintergreen oil to attract beneficials that kill nursery pests By Jana Lee, Victoria Skillman and Katerina Velasco Graham Can minty odors really enhance pest control? When pests feed on a plant, the plant releases odors, one of them being methyl salicylate (MeSA), also known as oil of wintergreen. When MeSA is […]

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

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

The solitary life of pocket gophers

By Dana Sanchez — Posted March 18, 2022

These territorial animals can cause major problems in nursery production Both moles and gophers can be a menace to nursery production fields. As these animals look to survive a lack of available food during summer heat or winter cold, they often look to nursery crops, killing them or causing severe damage. The difference between gopher […]

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

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

A bee’s eye view

By Gail Langellotto — Posted January 25, 2022

Testing for UV reflectance to gain insight into the benefits of nativars compared to native plants Market demand for native plants in ornamental landscapes has drastically increased since the early 2000s, as consumers, landscapers, landscape designers and landscape architects are increasingly aware of the environmental benefits provided by native plants. But despite their popularity, native […]

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

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FARWEST SHOW UPDATES

Farwest celebrates 50 years in style

Farwest Show attendees choose Eclipse® Hydrangea as People’s Choice at New Varieties Showcase  

Farwest Show attendees select favorites for the Retailers’ Choice Awards

Youngblood Nursery Inc. wins Best in Show booth award at 2023 Farwest Show  

Variegated Frydek Elephant Ear wins Farwest New Varieties Showcase Judges’ Choice award for 2023

More Updates from Farwest

NURSERY NEWS

Darcy added to OSU agricultural Diamond Pioneer Registry

Nursery industry tops list of Oregon ag commodities

Fall Creek promotes Amelie Aust to executive board chair

Hall of Famers give gift towards horticultural industry advocacy

Verl Holden retires from Oregon Garden Foundation Board

More Nursery News

From the pages of Digger

September 2023

August 2023: Farwest Show Edition

July 2023: New Varieties Showcase Preview

June 2023: The Shrubs Issue

May 2023: The Sustainability Issue

More issues of Digger

The Value of Membership

Seeding the next generation of horticulture specialists

Farwest turns 50

Member Profile: Mahonia Nursery

More member stories

CORONAVIRUS COVERAGE

Virtual is the new reality – for now

Trade shows in the time of COVID

A demand ‘renaissance’ for nurseries

Western Nursery & Landscape Association falls victim to pandemic

MANTS 2021 to move online due to COVID-19

More articles

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