4th Annual Microdochium Patch Field Day
OSU Lewis-Brown Horticulture Farm, Corvallis, OR
February 28, 2019
Free education from 3 to 5 pm and dinner provided
Representing the Golf Alliance of Oregon (GAO), Barb Trammell, CEO of the Oregon Golf Association unveiled the results of an economic impact study at Stone Creek Golf Club in Oregon City in mid-October 2010. The research study was conducted on behalf of the Golf Alliance of Oregon, a consortium of the major trade and consumer golf associations.
Overview of the presentation by Brian MacDonald
The purpose of this trial was to evaluate the effectiveness of repeated applications of various formulations of chlorothalanil at two rates, Tourney 50, and two fungicide rotations in controlling dollar spot (Sclerotinia homoeocarpa) on a colonial bentgrass (‘Bardot’)/annual bluegrass fairway.
Ten years of research into microdochium patch disease.
The purpose of this trial was to evaluate the effectiveness of various fungicides in controlling Microdochium patch on a bluegrass green.
The purpose of this trial was to evaluate the effectiveness of various fungicides and fungicide rotations in controlling anthracnose (Colletotrichum cereale) and maintaining plot quality on an annual bluegrass (Poa annua) putting green.
The purpose of this trial was to evaluate the effectiveness of various fungicides and fungicide rotations in controlling anthracnose (Colletotrichum cereale) and maintaining plot quality on an annual bluegrass (Poa annua) putting green.
Practical strategies for the renovation of turfgrass, used to improve existing turf or change grass species for improved performance. The basic strategies discussed include simple overseeding, overseeding following suppression of existing turf, and complete renovation.
Examples in the PNW on Microdochium Patch: Clearys 3336, Chipco 26GT, and Heritage.
The photos on this page, taken at Lewis-Brown Horticulture Farm in Corvallis, Oregon, show the 
symptoms of Winter Brown Blight (Drechslera siccans) on perennial ryegrass. Winter Brown Blight is a member of the genera Drechslera and includes Net Blotch (Drechslera dictyoides) and Melting Out (Drechslera poae). This disease used to be classified as Helminthosporium.
The purpose of this trial was to evaluate the effectiveness of various fungicides and fungicide rotations in controlling anthracnose (Colletotrichum cereale) on an annual bluegrass putting green.
Tom Cook, retired OSU turfgrass professor, has published a new book detailing the construction and maintenance of sustainable landscapes! The book includes topics such as sustainable landscape design, how to develop an ecosystem, issues regarding the use of chemicals, and approaches for modifying existing lancescapes. The book can be purchased from Amazon: Sustainable Landscape Management: Design, Construction, and Maintainence!
A PACIFIC NORTHWEST EXTENSION PUBLICATION • PNW299
Washington State University • Oregon State University • University of Idaho
Representing the Golf Alliance of Oregon (GAO), Barb Trammell, CEO of the Oregon Golf Association unveiled the results of an economic impact study at Stone Creek Golf Club in Oregon City in mid-October 2010. The research study was conducted on behalf of the Golf Alliance of Oregon, a consortium of the major trade and consumer golf associations.
Maintaining a healthy, aesthetically pleasing lawn depends on many variables including turfgrass species; mowing height and frequency; fertilization; and insect, disease, and weed control. Proper irrigation, despite being one of the most important factors in maintaining a healthy lawn, is the most often overlooked variable in lawn care (figure 1).
Oregon State University;
Dr. Robert Golembiewski, Assistant Professor;
Tom Cook, Associate Professor;
Brian McDonald, Research Assistant;
Final Report;
July 31, 2008 (Updated 9/8/10)
Oregon State University;
Dr. Robert Golembiewski, Assistant Professor;
Tom Cook, Associate Professor;
Brian McDonald, Research Assistant;
Final Report;
May 21, 2008 (updated 9/8/10)
Oregon State University;
Dr. Robert Golembiewski, Assistant Professor;
Tom Cook, Associate Professor;
Brian McDonald, Research Assistant;
Final Report;
January 12, 2009 (Updated 9/8/10)
Oregon State University;
Dr. Robert Golembiewski, Assistant Professor;
Tom Cook, Associate Professor;
Brian McDonald, Research Assistant;
Final Report;
May 27, 2008 (updated 9/8/10)
Oregon State University;
Dr. Robert Golembiewski, Assistant Professor;
Tom Cook, Associate Professor;
Brian McDonald, Research Assistant;
Final Report;
May 1, 2008 (Updated 9/8/10)
The purpose of this trial was to evaluate a single preventative application of various fungicides for the control of gray snow mold on a golf course fairway.
The trial was initiated on October 23rd (after the last mowing) on the 11th fairway of the Meadows Golf Course (4,160 feet elevation) located in the Sun River Resort in Sun River, Oregon, 15 miles south of Bend.
The purpose of this trial was to evaluate the effectiveness of various fungicides and kelp in controlling anthracnose (Colletotrichum cereale) on annual bluegrass putting greens.
The purpose of this trial was to evaluate the effectiveness of various fungicides in controlling Microdochium patch (Microdochium nivale) on an annual bluegrass putting green.
We are looking for a site to do a fairy ring control trial in 2011.
If you are having consistent problems with fairy ring and are willing to allow plots to be set up and different fungicide treatments applied, please call Brian McDonald at 541 231-1149. The ideal site would be about 2,000 square feet with uniform fairy ring symptoms throughout. The area could be a golf course fairway, rou
Reports from the 1991 Annual Student Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1984 OSU Turf Trials
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 2008 OSU and WSU Turfgrass Field Day
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1997 Annual Student Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 2001 OSU and WSU Turfgrass Field Day
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1992 Annual Student Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 2003 OSU and WSU Turfgrass Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1993 Annual Student Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 2005 OSU and WSU Turfgrass Field Day
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 2009 WSU and OSU Turfgrass Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1986 Annual Student Field Day
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1988 Turfgrass Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1995 Annual Student Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1987 OSU Turf Trials
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1989 Annual Student Field Day.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Reports from the 1985 OSU Turf Trials
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
This publication will take you through the steps needed to successfully plant a new lawn or renovate an old one. If you follow these steps, you will get it right the first time!
Along with the BeaverTurf.com website, we are also launching a BeaverTurf Community site. An online community for Turf Professionals, the site is intended to:
Check it out and sign up here! http://beaverturf.ning.com
BeaverTurf.com - the new turfgrass website from Oregon State University - is nearing completion. We hope you like the new site and the information and resources that it provides.
Please let us know about any bugs, errors, or other problems that you might encounter, as well as any other feedback you may have. Thanks and happy surfing!
OSU Turf Specialist Rob Golembiewski was interviewed by Channel 8 out of Portland, OR yesterday. Click the following link to see the clip.
http://www.kgw.com/news/local/
Describes necrotic ring spot disease and methods of prevention and control.
Explains how to optimize a fertilization program for a home lawn. Discusses how to select and use fertilizers, the roles of various elements (nitrogen, phosphorus, potassium, sulfur, pH, calcium, magnesium, and iron) in lawn fertilization, and the value of soil tests for each element. Provides sample calendars of necessary and optimal times for fertilizer applications for western, central, and eastern Oregon.
Thatch is a layer of organic material between the green grass and the soil. Thatch is composed of living and dead stems and roots. Leaves make up only a very small percentage of thatch. Sometimes leaves will form a layer of pseudo thatch at the juncture of the thatch and the green grass. It disappears quickly.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Introduction
The first goal of this trial was to evaluate the effects of timing and number of applications on control of anthracnose (Colletotrichum cereale) on an annual bluegrass putting green.
A second goal of this trial was to determine the minimum number of applications necessary to produce acceptable turf quality.
Materials and Methods
Identifying lawn grasses requires a basic knowledge of plant structure and the ability to distinguish between those structures to categorize specific grasses. To get really good at identifying turfgrasses you have to learn the characteristics of the common grasses.
*The following is a slideshare presentation. Click the left or right arrows to navigate through the presentation, or click "full" to view the presentation in full-screen.
Introduction
The purpose of this trial was to evaluate the effectiveness of various fungicides and fungicide programs in controlling anthracnose (Colletotrichum cereale) on annual bluegrass putting greens.
Materials and Methods
The trial was initiated on June 26th on an annual bluegrass putting green located at Emerald Valley Golf Club in Cresswell, Oregon. Subsequent fungicide applications were applied every 3 weeks on July 18th, August 8th, August 29th, and September 19th.
