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You are here: Home / Archives for Plant Pests and Diseases

Heroes and villains

By Jerry Weiland — Posted February 27, 2018

Research identifies harmful and beneficial microbes in nursery soil Four years ago, we received funding from the Floriculture and Nursery Research Initiative to study the interaction of soil-borne pathogens and environment on nursery plant health and disease control (Digger, July 2015). Since then, we have made significant progress in identifying the beneficial and pathogenic microbes […]

Filed Under: Growing Knowledge, Phytophthora, Plant Diseases, Plant Pests and Diseases, Pythium Root Rot, Root Rots Tagged With: Digger, Digger magazine, Oregon State University, Pests and Diseases

The sudden oak death epidemic in Oregon

By Sarah Navarro — Posted September 13, 2017

Oregon nurseries are increasingly threatened by the repeated expansion of the sudden oak death (SOD) epidemic in Curry County. Although this epidemic is geographically far away from the main nursery production areas, the continued expansion of the SOD quarantine area and the newly discovered introduced EU1 clone are distinct threats to the nursery industry. What […]

Filed Under: Growing Knowledge, Phytophthora, Plant Pests and Diseases Tagged With: Invasive species, ODA, Oregon Department of Agriculture, Oregon State University, Pesticides, Pests and Diseases, USDA, Wholesale Nurseries

Handier handbooks

By Jay Pscheidt — Posted May 1, 2017

Updated pest management handbooks are now
mobile-friendly and searchable online.

Filed Under: Blights, Cankers, Growing Knowledge, Insects, Plant Diseases, Plant Pests and Diseases, Rusts, Verticillium Root Rot, Weeds Tagged With: Digger, Digger magazine, Education, Home gardening, Landscaping, Oregon State University

Slow sand filters

By Peter Szymczak — Posted April 3, 2017

This traditional method of water purification was tested for its effectiveness at removing two common greenhouse pathogens, Phytophthora and Fusarium.

Filed Under: Fusarium Root Rot, Growing Knowledge, Phytophthora, Plant Diseases, Plant Pests and Diseases, Root Rots Tagged With: Digger, Digger magazine, Irrigation, Oregon State University, Science

Researchers look at thermal weed control

By Peter Szymczak — Posted March 15, 2017

Researchers look to control weeds in greenhouse propagation systems with steam and hot water

Filed Under: Nursery News, Phytophthora, Plant Pests and Diseases, Weeds Tagged With: Greenhouses, Operations, Pests and Diseases, Plants, Research, Science

Working smarter, not harder

By Luisa Santamaria — Posted February 1, 2017

OSU Extension Service offers programs designed to increase knowledge among nursery workers, thereby increasing their productivity.

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

Biocontrol of azalea lace bugs

By Michael Flores — Posted October 3, 2016

Researchers investigate the use of lacewing predators to combat the pesky pest of rhododendrons.

Filed Under: Azalea Lace Bugs, Growing Knowledge, Insects, Plant Pests and Diseases Tagged With: Digger, Digger magazine, Oregon State University, Pests and Diseases

A tale of two lilacs: Part II — Pubescentes

By Jason Lattier — Posted June 1, 2016

How series Pubescentes changed the horticultural landscape.

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

Disinfectants: In search of a silver bullet

By Luisa Santamaria — Posted May 3, 2016

Answers to the question, “What is the best product to use for disinfecting tools, benches and greenhouses?”

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

Soil solarization in container nurseries and field production

By Jennifer Parke — Posted February 1, 2016

Discover this hot tool for managing diseases and weeds in container nurseries and field production.

Filed Under: Charcoal Rot, Fusarium Root Rot, Growing Knowledge, Plant Pests and Diseases, Pythium Root Rot, Root Rots, Verticillium Root Rot, Weeds Tagged With: Digger, Digger magazine, Oregon State University

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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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