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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

GOP gubernatorial candidate Christine Drazan visits Farwest Show

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New AmericanHort CEO introduces himself to OAN

Bailey Nurseries removed dams to build environmental resilience

The new NurseryGuide.com powers up with new features

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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

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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

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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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