"Dedicated
to the dissemination of information and ideas, the life of our industry"
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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.
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Current News...
Phytophthora ramorum
EMERGENCY FEDERAL ORDER 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
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: Oregon Department of Agriculture California Oak Mortality Task Force Oregon Association of Nurseries
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
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... Oregon Association of Nurseries British Columbia Landscape & Nursery Association Washington State Nursery & Landscape Association
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Feature...
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
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
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...
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
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
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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