Researchers Bradley Park, T.J. Lawson, Hiranthi Samaranayake, and James A. Murphy, from Rutgers University Center for Turfgrass Science, reported their findings in the July/August 2010 edition of Crop Science, published by the Crop Science Society of America.
The researchers attributed the better spring performance of Kentucky bluegrass to greater shoot biomass production during spring, an annual growth cycle phenomenon of cool-season turfgrass.
Twenty-two Kentucky bluegrass varieties were tested using a paddling device developed at Rutgers University during six week periods in spring, summer, and fall.
A variety called ‘Julia’ had the greatest wear tolerance and recovery throughout the study and has previously exhibited a high level of performance in traffic stress trials at Rutgers and other universities. Unfortunately, its susceptibility to various turfgrass diseases caused by fungal pathogens limit its use on sports fields.
Several varieties frequently used in blends established for sod production, classified as Compact-Midnight Types, including ‘Midnight’, ‘Midnight II’, and ‘Liberator’, were tested. While these exhibited good wear tolerance during fall, their recovery in the following spring was slow. Slow spring recovery of these cultivars is due to long winter dormancy and late spring green-up.
‘Cabernet’, ‘Lakeshore’, ‘Moon Shadow’, ‘Limousine’, and ‘Jefferson’ varieties exhibited better recovery from fall wear during the next spring. Better winter performance and early spring green-up likely aided in the spring recovery of these cultivars after wear during the previous fall. These cultivars would be useful on sports fields needing recovery from fall use and should probably be included in blends with Compact-Midnight Type cultivars.
The ‘Langara’, ‘Bedazzled’, and ‘Touchdown’ varieties had poor wear tolerance and recovery during all seasons. The researchers concluded that these cultivars are better suited to sports fields that see low use intensities.
The research team at Rutgers University continues to investigate the effects of seasonal wear on Kentucky bluegrass. Results provide sod growers, sports field managers, and other turf professionals valuable information to aid in cultivar selection for use on sports and recreational surfaces. For example, the authors concluded that screening varieties for tolerance to wear should be done in the spring.
The full article is available for no charge for 30 days following the date of this summary. View the abstract at https://www.agronomy.org/publications/cs/abstracts/50/4/1526.
Crop Science is the flagship journal of the Crop Science Society of America. Original research is peer-reviewed and published in this highly cited journal. It also contains invited review and interpretation articles and perspectives that offer insight and commentary on recent advances in crop science. For more information, visit www.crops.org/publications/cs
The Crop Science Society of America (CSSA), founded in 1955, is an international scientific society comprised of 6,000+ members with its headquarters in Madison, WI. Members advance the discipline of crop science by acquiring and disseminating information about crop breeding and genetics; crop physiology; crop ecology, management, and quality; seed physiology, production, and technology; turfgrass science; forage and grazinglands; genomics, molecular genetics, and biotechnology; and biomedical and enhanced plants.
CSSA fosters the transfer of knowledge through an array of programs and services, including publications, meetings, career services, and science policy initiatives. For more information, visit www.crops.org
New study shows producers where and how to grow cellulosic biofuel crops
17.01.2018 | University of Illinois College of Agricultural, Consumer and Environmental Sciences
Robotic weeders: to a farm near you?
10.01.2018 | American Society of Agronomy
On the way to an intelligent laboratory, physicists from Innsbruck and Vienna present an artificial agent that autonomously designs quantum experiments. In initial experiments, the system has independently (re)discovered experimental techniques that are nowadays standard in modern quantum optical laboratories. This shows how machines could play a more creative role in research in the future.
We carry smartphones in our pockets, the streets are dotted with semi-autonomous cars, but in the research laboratory experiments are still being designed by...
What enables electrons to be transferred swiftly, for example during photosynthesis? An interdisciplinary team of researchers has worked out the details of how...
For the first time, scientists have precisely measured the effective electrical charge of a single molecule in solution. This fundamental insight of an SNSF Professor could also pave the way for future medical diagnostics.
Electrical charge is one of the key properties that allows molecules to interact. Life itself depends on this phenomenon: many biological processes involve...
At the JEC World Composite Show in Paris in March 2018, the Fraunhofer Institute for Laser Technology ILT will be focusing on the latest trends and innovations in laser machining of composites. Among other things, researchers at the booth shared with the Aachen Center for Integrative Lightweight Production (AZL) will demonstrate how lasers can be used for joining, structuring, cutting and drilling composite materials.
No other industry has attracted as much public attention to composite materials as the automotive industry, which along with the aerospace industry is a driver...
Scientists at Tokyo Institute of Technology (Tokyo Tech) and Tohoku University have developed high-quality GFO epitaxial films and systematically investigated their ferroelectric and ferromagnetic properties. They also demonstrated the room-temperature magnetocapacitance effects of these GFO thin films.
Multiferroic materials show magnetically driven ferroelectricity. They are attracting increasing attention because of their fascinating properties such as...
08.01.2018 | Event News
11.12.2017 | Event News
08.12.2017 | Event News
19.01.2018 | Materials Sciences
19.01.2018 | Health and Medicine
19.01.2018 | Physics and Astronomy