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You are here: Home / Archives for Pests and Diseases

Kousa dogwood IDd as P. ramorum host

By Curt Kipp — Posted September 9, 2008

USDA APHIS officials indicate they are planning to add the Kousa dogwood, Cornus kousa, to the list of plants that have been identified as hosts for Phytophthora ramorum, the destructive plant pathogen that’s also known as sudden oak death. The species of dogwood will now come under federal regulations designed to combat the spread of […]

Filed Under: Phytophthora, Plant Pests and Diseases Tagged With: Pests and Diseases, Trees

No beer, just bugs

By Curt Kipp — Posted September 5, 2008

There will be no oom-pah music, no beer and no lederhosen, but there will be much to celebrate every Thursday in October as the North Willamette Research and Extension Center observes OktoberPest. Every Thursday in October, from 9 a.m.-noon, there will be a workshop at NWREC, 15210 N.E. Miley Road, Aurora, Ore. Seminars include “Outwitting […]

Filed Under: Uncategorized Tagged With: Events, Pests and Diseases

Light brown apple moth detected, quarantined

By Curt Kipp — Posted September 3, 2008

Two light brown apple moths have been newly detected in California and as a result, the California Department of Food and Agriculture has established a 19-square-mile quarantine in an area straddling Sonoma and Napa counties. It’s now illegal to move any nursery stock, cut flowers, host fruits or vegetables, or plant parts within this area […]

Filed Under: Uncategorized Tagged With: Pests and Diseases

Asian longhorned beetle found in Illinois, Massachusetts

By Curt Kipp — Posted August 11, 2008

It’s long. It’s distinctive. And it chews dime-sized holes in many species of hardwood trees so that it can lay eggs in them, perpetuating a cycle that leads to infestation and the death of the tree.USDA officials are mobilizing a response after confirming the presence of the Asian longhorned beetle in Worcester, Mass. A resident […]

Filed Under: Asian Longhorned Beetle, Beetles, Insects, Plant Pests and Diseases Tagged With: Pests and Diseases, Trees

Emerald ash borer found in two states

By Curt Kipp — Posted August 11, 2008

For the first time, the emerald ash borer has been detected in Missouri, as well as in Wisconsin. The adult borer doesn’t cause much harm to trees, but in larvae form, it’s a whole different story. The borer larvae consume the inner bark of ash trees, disrupting their vascular systems and causing them to dehydrate […]

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

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NURSERY NEWS

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

OAN announces 2025 Friends of Nurseries award winners

OAN leads grower-driven Japanese beetle solution

AmericanHort president and CEO to step down

In memoriam: Bill Van Belle

Longtime employee buys Heritage Seedlings and Liners

In Memoriam: Melvin John Steffenson

New USDA Census of Hort arriving in mailboxes this month

More Nursery News

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March: The Perennials Issue

February: The Greenhouse Issue

January 2026: The Retail Issue

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October 2025

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Pests and Diseases

OAN leads grower-driven Japanese beetle solution

Prioritizing nursery pest challenges

New tools in the battle against thrips

Aiming for precision in pest control

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FARWEST SHOW UPDATES

2026 Farwest Show issues calls for speakers

Excitement, optimism prevail at 2025 Farwest Show

Dazzling plants, products garner Retailer’s Choice Awards

Youngblood Nursery wins Best in Show booth honors at the 2025 Farwest Show

Glow Sticks Fescue wins top honors from judges at Farwest Show’s New Varieties Showcase 

More Updates from Farwest

The Value of Membership

AmericanHort president and CEO to step down

OAN honors industry leaders at 2025 Convention

Meet the Leader: Patrick Peterson

More member stories

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