Suppressing bermudagrass in seashore paspalum turf
An emerging management challenge of seashore paspalum turf installations and maintenance in Hawaii in recent years is the infestation of the bermudagrass cultivar that was replaced or common bermudagrass. PI Z. Cheng and Co-PI J. DeFrank continue to receive inquiries from golf courses that use seashore paspalum to develop new grassy weed control options that do not depend on salt applications. This project will address this immediate need of Hawaii's turf/golf industry. An M.S. student who started in August 2016 is working on this 2-year project. Field trials are currently being conducted in UH Manoa Magoon research facility, West Loch Golf Course, and Hoakalei Country Club.

Management of take-all patch (Bermudagrass decline) of turfgrass in Hawaii
In collaboration with 3 golf courses on Big Island, Maui and Oahu, and with industry support from 2 major chemical companies, this applied research project was started in November 2015 to evaluate various fungicide programs against take-all patch (also commonly known as Bermudagrass decline) in both bermudagrass and seashore paspalum turf. Various fungicide rotation programs and combination treatments are included in this field research.

Management of leaf and sheath spot (mini ring) of turfgrass in Hawaii
In collaboration with a golf course on Maui and with industry support, this applied research project was started in June 2015 to evaluate various fungicide programs against leaf and sheath spot (also commonly known as mini ring) in Hawaii's turfgrass system. Seven treatments and an untreated control with four replications each are included in this field research.

Non-chemical "lights-out" turf renovation and weed/pest control
In collaboration with Dr. Joe DeFrank (TPSS), we started this 2-year non-chemical "lights-out" turf renovation and weed/pest control project at Magoon Turf Research Facility in October 2014. In addition to weed suppression, we are also studying impacts of this turf renovation method on insects and soil food webs in turf systems.

Upcoming and Recent Events 

January 19, 2017 - Pacific Agricultural Educational Seminar.
2017 Pacific Agricultural Educational Seminar will be held in Pearl Country Club. For details and registration, contact Gilbert Araki at gilbert@pacificagricultural.com

Continuing. State-wide Turf Pest Management Survey. This state-wide survey targeting turf/green professionals in Hawaii intends to identify the updated turf pest managment challanges and educational needs. Survey results will provide valuable information for the Turfgrass Management Program at University of Hawaii at Manoa to establish working priorities in service of the turf/green industry in Hawaii.

Please visit the survey link at: State-wide Turf Pest Management Survey.

The survey should take less than 10 minutes, on average, to complete. Thank you for your information and time!

November 29, 2016 - Turf and Surf: CTAHR's 2016 Tour for Legislators.
Turfgrass is featured in this CTAHR event for legislators. The first half of this event will be held in Mililani Ag Park, where several major turfgrass sod farms are located, including Southern Turf Hawaii and Hawaiian Turfgrass. For more info, contact Cheryl Ernst in CTAHR's Office of Communication Services at ernst@hawaii.edu

Register for Hawaii's Premier Green Industry Education Conference (October 2016)!
Registration for the 2016 Landscape Industry Council of Hawaii (LICH) Conference and Trade Show is now open. Please visit https://www.hawaiiscape.com/conference/ for details.

September 30, 2016 - HGCSA Annual Educational Seminar.
2016 Hawaii Golf Course Superintendents Association (HGCSA) Educational Seminar will be held at Ala Moana Hotel. Contact Clarence Nakatsukasa, 808-623-8655, nakatsukc003@hawaii.rr.com

July 24-27, 2016 - WERA011 Western Regional Turfgrass Research Meeting.
Dr. Cheng is hosting WERA011 Western Regional Turfgrass Research Meeting on July 24-27, 2016, in Honolulu. Around 20 turfgrass professors and scientists from universities in western states/territory will attend this meeting.




A Special Thanks...
We would like to thank many groups for your support of and collaboration with the University of Hawaii Turfgrass Management Program. More »


Website maintained by Z. Cheng. Updated in January 2017.
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