Management of Microdochium Patch in the PNW

Ten years of research into microdochium patch disease.

Comparing Different Fungicides for the Control of Microdochium Patch

The purpose of this trial was to evaluate the effectiveness of various fungicides in controlling Microdochium patch on a bluegrass green.

2012 Evaluation of Fungicides and Fungicide Rotation Programs for the Control of Anthracnose

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.

2012 Evaluation of Syngenta Fungicides and Fungicide Rotation Programs for the Control of Anthracnose

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.

Strategies for Turfgrass Renovation

Management
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.

Fertility and its Relationship to Turfgrass Diseases

Fertilizer
The importance of the relationship between fertility, turfgrass, and turfgrass diseases is discussed. The author focuses on turfgrass diseases common to the Pacific Northwest and offers recommendations for fertilizer practices to help combat the diseases.

2010 Evaluation of Fungicides for the Control of Anthracnose on an Annual Bluegrass Putting Green

Picture: Reserve 3.2 oz/1,000 sq. ft. 7/14/10
Picture: Renown – 2 apps applied at 2.5 fl oz/1,000 sq. ft. (7/14/10)
Picture: Fosetyl-Al + Chlorothalanil + Foursome – 2 apps applied at 4.0 + 3.2 +0
Picture: Tourney applied twice at 0.37 oz/1,000 sq. ft.
Picture: Torque 0.6 oz/1,000 sq. ft. (7/28/10)
Picture: Concert after 3 apps @ 5.5 oz/1,000 sq. ft. (7/28/10)
Picture: Reserve after 3 apps @ 3.2 oz/1,000 sq. ft. (7/28/10)
Picture: Trinity after 3 apps @ 1.0 oz/1,000 sq. ft. (7/28/10)
Picture: Untreated (7/28/10)
Picture: Honor + Revolution after 3 apps @ 1.1 + 6.0 oz/1,000 sq. ft. (7/28/10)
Picture: Torque alternated with Affirm + Spectro 90 0.60/0.9+3.0 oz/1,000 sq. ft

Introduction

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.

Sustainable Landscape Management

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!

Golf Economic Impact

Oregon's Golf Economy Estimated at $1.2 Billion; Contributes More than 27,000 Jobs

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.

Efficient Lawn Irrigation in the Intermountain West

Figure 1. This healthy lawn is a result of proper cultural practices, which incl
Figure 2. Thatch is a partially decomposed organic layer that develops between t
Figure 4. Catch cans can be used to evaluate the water delivery rate of a sprink
Figure 5. Automatic irrigation systems can be used to apply water efficiently an
Figure 7. A dormant turfgrass stand (below) and an irrigated home lawn (above).
Figure 3. A tall fescue home lawn may require less water than other turfgrass sp
Figure 6. Tree roots have a much higher water requirement than home lawns.

Introduction

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).

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