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 January 2018.

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 

March 3, 2018 - Manoa Experience.
2018 Manoa Experience will be held on March 3, 2018 on University of Hawaii at Manoa campus. Several Hawaii Golf Course Superintendents Association (HGCSA) board members and Dr. Zhiqiang Cheng will organize an exhibit to introduce and promote golf/turf industry to potential future college students and their parents. Please stop by if interested!

February 27, 2018 - Pacific Agricultural (now SimPlot) Educational Seminar.
2018 Pacific Agricultural (now SimPlot) Educational Seminar will be held in Pearl Country Club on February 27, 2018. For details and registration, contact Gilbert Araki at Gilbert.Araki@simplot.com

February 10, 2018 - CTAHR Agriculture & Environmental Awareness Day.
2018 CTAHR Agriculture & Environmental Awareness Day will be held on February 9-10, 2018 in CTAHR's Pearl City Urban Garden. Several Hawaii Golf Course Superintendents Association (HGCSA) board members and Dr. Zhiqiang Cheng will organize an exhibit on February 10, 2018 to introduce and promote golf/turf industry to the public. Please stop by if interested!

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!

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.




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 2018.
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