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You are here: Home / Archives for Growing Knowledge

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

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

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

Setting up for spray success

By Lloyd Nackley — Posted June 28, 2021

Growers of variable crops can reduce chemical waste and ensure coverage by systematically adapting their approach By Brian Hill and Lloyd Nackley We can’t all mount lasers on our air-blast sprayers,” a Willamette Valley grower said recently in a conversation with researchers. It’s true that some growers actually can mount lasers. Lasers are now a […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Growing Knowledge, Irrigation, Pesticides, pests and dieases, smart sprayer

Native plants, bees, and microbes

By Gail Langellotto — Posted May 27, 2021

The OSU Garden Ecology Lab studies the health of garden environments The Garden Ecology Lab at Oregon State University (OSU) studies the plants, insects, animals, people, decisions, and management practices that either improve or degrade a garden’s ability to promote environmental and human health. An underlying premise of our work is that gardens are important […]

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

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