Video: Brown ring patch in late spring
Brown ring patch (Waitea) has been showing up in many locations across the U.S. in the past few weeks. This video illustrates how this disease is diagnosed in the lab. …
Black layer management update
Black layer is a warning sign that something is rotten in the state of your soils. The fact that it literally smells and looks rotten only helps to reinforce this …
Avoiding bumpy greens
Bumpy and puffy poa greens frequently develop a few weeks after aeration. This problem occurs because the turf growing over the aeration holes is growing much faster than the surrounding …
Video: Early Spring Anthracnose
During March of 2009, some East Coast golf courses with poa greens were greeted by an unusually early and unwelcome pest – anthracnose caused by Colletotrichum cereale. Could it happen …
Photo of the week: anthracnose and mowing height
Increasing mowing height by even 0.15 of an inch can make a big difference in anthracnose severity. Rolling can also help to decrease anthracnose levels.
La Niña is over. Now what?
The May 3, 2012 report from the US Climate Prediction Center confirms that La Niña, the cooling of ocean surface temperatures in the central and east-central equatorial Pacific Ocean, has …
Expanded weather services
Ever want to see what weather conditions in other parts of the world are? Want to select a different weather station for your PACE Turf Weather Alerts? You now have …
Make your assistant a PACE Turf member (for free)
Just a reminder that your PACE Turf annual membership fee covers your membership, and an additional membership for your current assistant. Just contact us and let us know your assistant's …
Video: Climate in motion
Dr. Micah Woods describes the use of moving climate graphs that can help you understand turfgrass performance at your location and compare your climate to other climates throughout the world. …
Preventive strategies for summer diseases
Yes, it seems as though spring just got here. But that doesn't mean that the planning for summertime stresses shouldn't begin now. For this reason, we provide annual updates on …
Cultural practices for summer disease on cool-season greens
Many of you have already begun, or are about to begin, your summer disease management programs, and today's updates are devoted to this topic. We begin by looking at cultural …
April, 2012 Highlights
Pest alerts: New poa control product registered Timing rye removal on overseeded fairways Poa resistance problems addressed with indaziflam Biocontrol for zebra and quagga mussels Soil nutrition and cultural practices …
Videos: Invaluable tools for soil salinity monitoring
As the spring progresses into summer and irrigation begins to provide the bulk of the water that is needed for turf growth, soil salts will begin to accumulate. If you …
Biocontrol for zebra and quagga mussels
Irrigation system problems that are due to two invasive species of small freshwater mussels continue to pop up around the country. Both zebra and quagga mussels attach onto hard surfaces …
Photo of the week: Zebra and quagga mussel distribution map
Zebra and quagga mussels are invasive pests that are slowly spreading throughout the U.S., as shown in this map. They cause problems on golf courses by clogging irrigation pipes, filters …
Poa resistance problems addressed with indaziflam
The large group of herbicides known as sulfonylureas (SUs) include popular products such as Revolver (foramsulfuron), Monument (trifloxysulfuron), Manor (metsulfuron) and many others. Unfortunately, researchers are documenting poa resistance to …
Video: Aguina pacificae (stem gall nematode) diagnosis
This video provides a diagnostician's view of Poa annua infected with the stem gall nematode Anguina pacificae. This is by far the most damaging pest of poa golf course greens, …
Timing rye removal on overseeded fairways
Our understanding of the dynamics of the spring transition on overseeded turf has increased in recent years, particularly regarding the benefits of early removal of ryegrass. We have summarized below …
Photo of the week: Improved spring transitions
Spring transition on overseeded bermuda can be improved through use of transition accelerators (Revolver, Monument, etc) as seen in this photo, especially when integrated with these management practices. …
Video: Tales from the field— phosphorus, take–all patch and MLSN
We recently diagnosed an unusual case of take–all patch from a new bentgrass green in Northern California. It was unusual because although the fungus Gaeumannomyces graminis does its damage in …
Photo of the week: phosphorus deficiency
Turf that produces foliage with a reddish or purplish tinge is probably suffering from a phosphorus deficiency. For information on reducing phosphorus and other inputs to more …
You’ve heard of peak oil, but how about peak phosphorus?
Recent warnings from Arizona State University's "Sustainable Phosphorus Initiative Project" indicate that the essential plant nutrient phosphorus (P) may be overused in agriculture (causing environmental runoff and damage), while at …
PACE Turf Video Index
Just a reminder about our growing list of PACE Turf videos that cover topics ranging from cultural practices, pest management, basic chemistry and biology, golfer education and more. The index …
Video interviews with the experts: John Turnour on turf covers
John Turnour, Head Groundskeeper, Washington Nationals Baseball Club describes the turf growth advantage he observed using IVI-GOLF Turf Shield covers in the winter/early spring. Digital image analysis was used to quantify …
New poa control product registered
After several years of testing around the U.S., the company Arysta LifeScience announced in March that the post-–emergent herbicide Xonerate (amicarbazone) has been registered by the Environmental Protection Agency. The …


