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"Dedicated to the dissemination of information and ideas, the life of our industry"
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The Ornamentals Northwest Web Site is a cooperative effort to provide nursery and greenhouse crop producers with the latest information when they need it. Although this web site is hosted by Oregon State Univeristy, it is created by the Cooperative Extension Services of Oregon State University, Washington State University, and the University of Idaho, The British Columbia Ministry of Agriculture, Food, and Fisheries, and the USDA Horticultural Crops Research Laboratory.


Current News...


Link to Oregon Department of Agriculture SOD Sudden Oak Death

Phytophthora ramorum

 

 

EMERGENCY FEDERAL ORDER
RESTRICTING MOVEMENT OF NURSERY STOCK FROM CALIFORNIA, OREGON, AND WASHINGTON NURSERIES

December 21, 2004

Oregon Association of Nurseries

On December 21, 2004, the USDA published an emergency federal order restricting movement of nursery stock from California, Oregon and Washington nurseries. More

Phytophthora ramorum Publications

Nursery Guide for Diseases of Phytophthora ramorum on Ornamentals (May, 2004 Draft)

S. Tjosvold, K. Buermeyer, C. Blomquist, and S. Frankel.

In addition to providing a brief introduction to the history and biology of the pathogen, this guide contains photos and descriptions of P. ramorum symptoms on ornamental plants that will aid in plant inspection and early detection of the disease in nurseries. Nursery management practices are suggested that will help
prevent the introduction and development of disease in nurseries.
More

 

Phytophthora ramorum: A Guide for Oregon Nurseries

J. Parke, J. Pscheidt, and R. Linderman

This guide was designed to assist nursery crop growers better understand Phytophthora ramorum (Sudden Oak Death), including: pathogen biology, hosts, symptoms, and disease prevention. More

 

APHIS List of Plants Regulated and Associated with Phytophthora ramorum

Last revised 30 June 2004

Plant species regulated for Phytophthora ramorum. More

 

Additional Information on Sudden Oak Death:

Sudden oak Death in Oregon

Oregon Department of Agriculture

California Oak Mortality Task Force

Oregon Association of Nurseries


Link to All Issues of USDA Amber Waves

 

Beyond Environmental Compliance: Stewardship as Good Business

Agriculture is intrinsically linked to the environment: roughly half of all land in the lower 48 States is farmland, including cropland, land in the Conservation Reserve Program, pastureland, and rangeland. More


Link to Economic Research Service USDA Floriculture and Nursery Crops Yearbook

 

Ornamental Crops Post Modest Sales Growth

Nursery crop sales in 2003 are expect to expand by 0.5 percent to $9.4 billion, somewhat better than 2002’s flat sales growth.These growth rates are predicated on a modest pick-up in consumer demand stemming from higher import unit prices of cut flowers and flowering plants in the first half of 2003 and the moderate recovery of U.S. retail sales and disposable income. More


Events, Classes & Meetings...


Nursery IPM

Farwest Show Seminars

Oregon Association of Nurseries

British Columbia Landscape & Nursery Association

Idaho Nursery Association

Washington State Nursery & Landscape Association

 

Feature...


Link to Feature Article on Maple ChlorisisChlorosis in field grown maples

James Altland, OSU

 

A common problem of field grown red maple (Acer rubrum) is a foliar chlorosis that develops in late summer. Our research verifies what many nurserymen (and women) suspected, in that foliar chlorosis is primarily a result of manganese (Mn) deficiency. More

 

Link to Feature Article on Properties of Container MediaPhysical properties of container media

James Altland, OSU

Earlier this year we held a workshop at the North Willamette Research and Extension Center, and asked all participating growers what they are using and why. This article addresses the important physical properties of container media and focuses on the relationship between air and water. More

 

Link to Feature Article on Weed Control in Container NurseriesWeed Control in Container Crops:

James Altland, OSU

This feature is a guide to effective weed mangement through preventitive measures. It is an official OSU extension publication, and a printable version that can be downloaded or printed for use in the nursery, or for distributing to other growers. More


From the Archive...


Link to diagnosing plant damageA SYSTEMATIC APPROACH TO DIAGNOSING PLANT DAMAGE

J. Green, J. Capizzi, and O. Maloy

In diagnosing plant damage a series of deductive steps can be followed to gather information and clues from the big, general situation down to the specific, individual plant or plant part. Through this systematic, diagnostic process of deduction and elimination, the most probable cause of the plant damage can be determined. More


Current Topics...


Pest Alert

Updated Nursery Pest Alerts

Link to cypress tip moth at the IPM page.Cypress tip moth

Robin Rosetta, OSU

 

Cypress tip moth, Argyresthia cupressella, is also known as cypress tip miner or arborvitae leafminer. This insect can mine the foliage of arborvitae, cypress, juniper, and redwood. More

 

Link to Invasive Species Invasive Species

National Invasive Species Council

Invasivespecies.gov is the gateway to Federal efforts concerning invasive species. On this site you can learn about the impacts of invasive species and the Federal government's response, as well as read select species profiles and find links to agencies and organizations dealing with invasive species issues. More

 

 

 

 

 

 

 

 

 

 

 

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