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You are here: Home / Archives for Pests and Diseases

Got slime?

By Robin Rosetta — Posted August 1, 2017

Identifying and managing slugs and snails is critical in
Pacific Northwest gardens and nurseries.

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Home gardening, Invasive species, Operations, Pesticides, Pests and Diseases, Plants

Rising from the ashes

By Dawn Hummel — Posted August 1, 2017

Growers and specifiers seek replacements for trees decimated by the emerald ash borer.

Filed Under: Plant Features Tagged With: Digger, Digger magazine, Invasive species, OAN Members, Pests and Diseases, Plants, Trees, Wholesale Nurseries

Controlling powdery mildew

By Michael Bradshaw — Posted August 1, 2017

Researchers look at four common compounds used in commercial organic fungicides to fight this fungal disease that affects a wide range of plants.

Filed Under: Nursery Operations Tagged With: Digger, Digger magazine, Education, Operations, Pesticides, Pests and Diseases, Plants, Research, Science

ODA traps 4,000 Japanese beetles

By Peter Szymczak — Posted July 24, 2017

Oregon Department of Agriculture issues update on Japanese beetle eradication effort

Filed Under: Nursery News Tagged With: Invasive species, Landscaping, ODA, Oregon Department of Agriculture, Pests and Diseases

ODA makes progress on Japanese beetle eradication project

By Peter Szymczak — Posted June 7, 2017

ODA makes progress on Japanese beetle eradication project

Filed Under: Nursery News Tagged With: Oregon Department of Agriculture, Pests and Diseases

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

Efforts to eradicate Asian gypsy moth appear successful

By Peter Szymczak — Posted November 29, 2016

Efforts to eradicate Asian gypsy moth appear successful

Filed Under: Nursery News Tagged With: Invasive species, ODA, Oregon Department of Agriculture, Pests and Diseases

October 2016

By Peter Szymczak — Posted October 3, 2016

The October issue of Digger features plants with golden foliage, .

Filed Under: Issues Tagged With: Business, Consumer trends, Digger, Digger magazine, Home gardening, Landscaping, OAN Members, Oregon State University, Pests and Diseases, Politics

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

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

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NURSERY NEWS

GOP gubernatorial candidate Christine Drazan visits Farwest Show

Deciphering Oregon’s plastics recycling law

J. Frank Schmidt & Son Co. celebrates 80 years as a nursery standout

Monrovia Nursery Company celebrates 100 years of innovation and looks to the future

New AmericanHort CEO introduces himself to OAN

Bailey Nurseries removed dams to build environmental resilience

The new NurseryGuide.com powers up with new features

Terra Gardens owner’s gesture for his mother opens the door to other wheelchair-bound gardeners

More Nursery News

From the pages of Digger

September 2026 Digger

August 2026 Digger: Farwest Show Edition

July 2026

June: The Shrubs Issue

May 2026: the Sustainability Issue

More issues of Digger

Pests and Diseases

Box tree moths pose a threat to Oregon nurseries

Managing Phytophthora: timing, temperature and emerging threats

Managing slugs and snails in Pacific Northwest nurseries

OAN leads grower-driven Japanese beetle solution

Prioritizing nursery pest challenges

More articles

FARWEST SHOW UPDATES

GOP gubernatorial candidate Christine Drazan visits Farwest Show

Sofia® Cherry Laurel and Saturnalia™ American hybrid oak shine at New Varieties Showcase 

Eschenfelder Farms wins Best in Show at Farwest

A sense of excitement in the air at Farwest

Deciphering Oregon’s plastics recycling law

More Updates from Farwest

The Value of Membership

ONF scholarships help recipients launch their career in horticulture

New AmericanHort CEO introduces himself to OAN

OAN members see benefits and rewards from serving ag industry organizations

More member stories

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