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You are here: Home / Archives for Pests and Diseases

One burdensome requirement avoided

By Curt Kipp — Posted October 21, 2008

Many industries bringing plant material into the United States will be required to file a Lacey Act disclosure beginning on Dec. 15, according to USDA/APHIS. But thanks to some astute lobbying, the nursery industry will not be among them. The new Lacey Act provision (PDF) was included in the 2008 Farm Bill, approved in May. […]

Filed Under: Uncategorized Tagged With: Pests and Diseases, Politics, Regulations, Trees

Entomologist heads up Hood River extension center

By Curt Kipp — Posted October 20, 2008

Oregon State University has hired tree fruit entomologist Dr. Peter Shearer as superintendent of the Mid-Columbia Agricultural Research and Extension Center (MCAREC) in Hood River, Ore. Before starting work for OSU, he was a tree fruit entomologist for Rutgers University in his native state of New Jersey, but he has past Oregon connections as well. […]

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

Oregon Invasive Species Council seeking nominees

By Curt Kipp — Posted October 17, 2008

Courtesy of the incomparable Robin Rosetta (subscribe to her listserv here – you’ll be glad you did), we received word that the Oregon Invasive Species Council is looking for nominees for some soon-to-be-available council positions. The council has a vital mission — to facilitate communication, cooperation and education on invasive species problems (such as sudden oak […]

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

Master Gardener course returns to Portland

By Curt Kipp — Posted October 17, 2008

It’s been six years since Master Gardener training was last offered in Portland, but now, the drought is over. An 11-week course will be taught from 9 a.m.-4 p.m. every Thursday, starting Jan. 8 and ending March 19, at Central Lutheran Church, 8120 N.E. 21st Ave (directions), Portland. Registration is underway online. The deadline to […]

Filed Under: Uncategorized Tagged With: Events, Irrigation, Pests and Diseases, Plants, Sustainability, Trees

Tuesday afternoon Green Industry Seminars kick off Oct. 28

By Curt Kipp — Posted October 15, 2008

The 2008 Willamette Valley Green Industry Seminars will be every Tuesday afternoon from Oct. 28-Dec. 14 at the Oregon Garden’s Natural Resource Education Center, Silverton, Ore. Each class is from 1-4:15 p.m., and the cost is $45 per session, $105 for any three, or $225 for all of them. The initial seminar, Oct. 28, is […]

Filed Under: Uncategorized Tagged With: Events, Nursery Equipment, Operations, Pests and Diseases, Sustainability, Trees

State to set benchmarks for seven pesticides

By Curt Kipp — Posted October 2, 2008

The state of Oregon has identified seven pesticides for which it will establish benchmarks for safe levels in Oregon’s waterways, the Statesman Journal of Salem, Ore. reported last month. All seven were selected because they have been found in Oregon streams and could have risks to the health of humans and/or salmon and other fish. […]

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

Gall mites cause problems for growers

By Curt Kipp — Posted September 29, 2008

A microscopic mite about .01 inch long is giving nurseries fits because it is destructive, yet difficult to detect, the Capital Press reported. According to Robin Rosetta of the OSU Extension Service, the eriophyid mite, also known as the gall mite, can cause galls, scarring, discoloration, wrinkling and malformation on growing shoots. The tiny bugs […]

Filed Under: Uncategorized Tagged With: Operations, Pests and Diseases, Plants

Curry County still fighting p. ramorum

By Curt Kipp — Posted September 25, 2008

Timber owners, nurseries and other interested parties are working to prevent the spread of P. ramorum, or sudden oak death, in Curry County, Ore., on the southern Oregon Coast. According to the Curry Coastal Pilot newspaper in Brookings, Ore., the Curry County Biomass Working Group has invited Forest Service officials who are experts to speak […]

Filed Under: Uncategorized Tagged With: Pests and Diseases

Out-of-state firewood: bad

By Curt Kipp — Posted September 25, 2008

Oregon residents are being asked to make sure that if they purchase firewood, that it comes from Oregon. According to Dan Hilburn, administrator of the Oregon Department of Agriculture Plant Division, that’s because firewood often allows diseases and invasive species to hitchhike to new locales, endangering trees and nursery stocks in whole new areas. Officials […]

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

Chrysanthemum white rust found in Connecticut

By Curt Kipp — Posted September 25, 2008

Puccinia horiana, also known as chrysanthemum white rust, was detected at six locations in two counties in Connecticut, the Litchfield County Times (Conn.) reported last week. Additionally, the parasite also was found in Michigan, according to a USDA bulletin. According to the USDA, “Chrysanthemum white rust may be recognized by the small white to yellow […]

Filed Under: Plant Diseases, Plant Pests and Diseases, Rusts Tagged With: Pests and Diseases

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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

November 2025: The Transportation Issue

October 2025

More issues of Digger

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

Oregon’s nursery licensing program aims to keep the entire industry healthy

More articles

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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