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You are here: Home / Archives for Plant Pests and Diseases / Insects / Borers / Emerald Ash Borer

Olive trees are migrating north

By Mike Darcy — Posted November 29, 2023

Olive trees are now available at most local garden centers and in most cases, have seemed to grow well in our local conditions.

Filed Under: Beetles, Borers, Emerald Ash Borer, Insects, Mike Darcy, Plant Pests and Diseases Tagged With: Digger, Digger magazine, Plants

The replacements

By Erica Browne Grivas — Posted September 5, 2023

Over-reliance on certain trees often prompts the need to turn to newer varieties in place of faltering favorites.

Filed Under: Beetles, Borers, Emerald Ash Borer, Insects, Plant Features, Plant Pests and Diseases Tagged With: Plants

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

The tribulations of big trees

By Jon Bell — Posted March 24, 2023

Growing bigger trees that will flourish in a changing climate takes a long-game approach For decades, tree-lined streets across the country — largely in the Southeast — would erupt in the bright white blossoms of Callery pear trees (Pyrus calleryana) every spring. Affordable, fast-growing and easily shipped, the trees had become the darlings of landscapers, […]

Filed Under: Beetles, Borers, Emerald Ash Borer, Insects, Nursery Operations, Plant Pests and Diseases Tagged With: Digger, Digger magazine, OAN, OAN Members, Plants, Wholesale Nurseries

Getting the word out

By Mitch Lies — Posted March 18, 2022

Growers take an interest in steering landscapers and end users to the right tree for the location No tree can grow best in the wrong place, and no location can be enhanced by the wrong tree. To that end, the flow of information between tree growers, and experts in the markets they serve, is critical […]

Filed Under: Asian Longhorned Beetle, Beetles, Borers, Emerald Ash Borer, Insects, Nursery Operations, Plant Pests and Diseases Tagged With: Digger, Digger magazine, Nursery operations, Wholesale Nurseries

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: Asian Longhorned Beetle, Beetles, Borers, Emerald Ash Borer, Flatheaded Borer, Growing Knowledge, Insects, Mites, Plant Pests and Diseases Tagged With: Digger, Digger magazine, Growing Knowledge, Oregon State University, OSU

Managing epidemics

By Jennifer Parke — Posted October 21, 2020

Whether dealing with plant pathogens or COVID-19, common principles apply The COVID-19 pandemic has changed life as we know it, threatening human health, causing disruption to our society, and resulting in economic challenges. While impacts of plant pests and diseases may pale in importance compared to COVID-19, they still cause large-scale ecological and economic damage […]

Filed Under: Asian Longhorned Beetle, Beetles, Borers, Emerald Ash Borer, Growing Knowledge, Insects, Phytophthora, Plant Diseases, Plant Pests and Diseases Tagged With: coronavirus, Digger, Digger magazine, Growing Knowledge, Oregon State University, OSU

USDA releases new emerald ash borer detection map

By Bill Goloski — Posted August 7, 2019

USDA has released an updated version of its emerald ash borer (EAB) map (PDF). It shows the counties in which authorities have detected the destructive, invasive beetle that is responsible for the deaths of tens of millions of ash trees in the United States. The pest was first detected in the United States in Michigan […]

Filed Under: Borers, Emerald Ash Borer, Insects, Nursery News, Plant Pests and Diseases Tagged With: eab, Pests and Diseases, Trees, USDA

The emerald ash borers are coming (eventually)!

By Sarah Greenleaf — Posted May 25, 2018

An impending threat to Oregon’s urban ecosystems If it’s not on your radar yet, it will be soon: The age of ash trees (Fraxinus, sp.) in the United States is winding down as the emerald ash borer (EAB) slowly follows a western route across the country, leaving a path of destruction in its wake. EAB […]

Filed Under: Borers, Emerald Ash Borer, Growing Knowledge, Insects, Plant Pests and Diseases Tagged With: Oregon State University, Pests and Diseases, Trees

Oregon gets a B- in invasive species management

By Curt Kipp — Posted January 15, 2014

Oregon, as a whole, could be doing better in its fight against invasive species. That’s the verdict from the Oregon Invasive Species Council (OISC), which gave the state a B-minus on its annual Invasive Species Report Card (PDF). That’s down a full letter grade from 2012, when the state received an A-minus. The main difference? […]

Filed Under: Asian Longhorned Beetle, Beetles, Borers, Emerald Ash Borer, Insects, Plant Diseases, Plant Pests and Diseases, Spotted Wing Drosophila Tagged With: Conservation, Invasive species, ODA, Oregon State University, Pests and Diseases, Phytophthora ramorum, Wholesale Nurseries, Wildlife

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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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