University of Hawai‘i at Manoa
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Last updated on Tuesday, March 7, 2023     Make updates ->

Ty G.  McDonald

Name :

Ty G. McDonald

Title :

Assoc Extn Agent

Unit :

Department of Tropical Plant and Soil Sciences

Office :

Kona Extension Office

Address :

79-7381 Mamalahoa Highway
                  Kealakekua, HI 96750-7911

Phone :

(808) 322-4884

Fax :

(808) 322-4895

E-mail :

Specialties :

Ornamentals and landscape production and Master Gardener program (W. HI)

Professional Prep/Appointments :

M.S. (Agronomy), University of Hawai’i at Manoa – 1998. B.S. (Plant & Soil Science), University of Vermont – 1983.

Projects :

1. Production and Management of Ornamental Plants/Landscapes in West Hawaii. (Plan of Work). 2004 to 2008. 2. Basic IPM Education and Training Program for Landscape Maintenance. (IPM Program). 2005 to 2007. 3. Development of Surinam Cherry (Eugenia uniflora L.) into a Commercially-Viable Specialty Fruit for Hawaii. (Hawaii Tropical Specialty Fruit Research & Development Grant) 2006 to 2008.

Extension/Research Interests :

Plant Health Care IPM Plant Propagation

Selected Publications :

a. Refereed publications Miyasaka, S.C., J.D. Hanson, T.G. McDonald and G.K. Fukumoto. 2007. Effects of nitrogen and potassium in kikuyu grass on feeding by yellow sugarcane aphid. Crop Protection 26 (2007) 511-517. Miyasaka, S.C., J.D. Hanson, G.K. Fukumoto, T.G. McDonald. 2003. Screening kikuyu grass for resistance to yellow sugarcane aphid. 2003 Annual Meeting, American Society of Agronomy, Crop Science Soc. of America, Soil Science Soc. of America. (poster). b. Extension publications Hara, A., Niino-DuPonte, R. Jacobsen, C., Chun, S., McDonald, T., Nagamine, W., and Heu, R. 2005. Cycad Scale on Sago Palm. Cooperative Extension Service, UH-CTAHR Cooperative Extension Service Publication IP-23, Oct. 2005. Hara, A., Niino-DuPonte, R. Jacobsen, C., Chun, S., Nagata, N., McDonald, T., Nagamine, W., and Heu, R. 2004. What’s killing my sago palm? Cycad scale. University of Hawaii, CTAHR and Hawaii Department of Agriculture. (tri-fold brochure). c. Industry publications McDonald, T. 2004. Organic-based landscaping increases. Hawaii Landscape, July/Aug. 2004. McDonald, T. 2004. Invasive pest reconnaissance. Big Island Association of Nurserymen Quarterly Newsletter, Jan.-May 2004. d. Newsletter development West Hawaii Ornamental & Landscape E-news (WHOLE). 2005-present. A quarterly UH-CTAHR Cooperative Extension Service newsletter, in electronic format, for stakeholders in the landscape (design, installation, maintenance) and ornamental plant nursery (production) industries in West Hawaii.