New Research coming up: Management of frit fly in golf courses
Frit fly (Oscinella frit) is a relatively less researched turfgrass insect pest in Hawaii, mainly attacking young leaves of Bermudagrass varieties, and also commonly considered as a nuisance pest in golf courses. This project aims to develop an IPM program to control frit fly. Dr. Cheng has recently received funding, and visited two golf courses to confirm trial sites. Treatments will start in November 2017.

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.

Upcoming and Recent Events 

HGCSA Annual Educational Seminar October 2017.
2017 Hawaii Golf Course Superintendents Association (HGCSA) Educational Seminar was held at Prince Hotel Waikiki on October 20, 2017. For more details, contact HGCSA at 808-930-1331 or 808-220-6054.

2017 Landscape Industry Council of Hawaii (LICH) Conference and Trade Show.
2017 Landscape Industry Council of Hawaii (LICH) Conference and Trade Show was held in Blaisdell Center on October 5, 2017. Please visit https://www.hawaiiscape.com/conference/ for details of seminar topics.

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!

2017 Oahu Landscape Industry Certified Technician (LICT) Program Exam in CTAHR Waimanalo Station on August 12, 2017.
LICT Exterior Certification consists of four modules: Turf Maintenance; Ornamental Maintenance; Irrigation; and Softscape Installation. The 2017 Oahu LICT Program concluded with the practice exam in CTAHR Waimanalo Station on Saturday August 12, 2017. Approximately 50 landscapers took this exam. Representing CTAHR, Dr. Cheng assisted with exam setup on August 11, 2017, and was one of the exam judges on Saturday August 12, 2017.




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 November 2017.
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