Dr. J. B. Friday
CTAHR | University of Hawaiʻi
Cooperative Extension Service
875 Komohana Street
Hilo, HI 96720
Telephone: (808) 969-8254
Fax: (808) 981-5211
Email: jbfriday@hawaii.edu

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Hawaii Forestry Virtual Field Day Videos

Visit the HawaiiRREA channel [http://www.youtube.com/HawaiiRREA] at YouTube to view forestry videos from CTAHR.

Featured YouTube Videos

Rapid ʻŌhiʻa Death ~ ʻŌhiʻa Wilt: Sampling ʻŌhiʻa trees for infection with Ceratocystis fimbriata

Two-minute video on how to take samples from ʻōhiʻa suspected of having Ceratocystis wilt or Rapid ʻŌhiʻa Death. Visit www.ohiawilt.org for more information. Produced by USF&W Institute of Pacific Islands Forestry and UH-CTAHR RREA Program. (July 2015)


Hawaii Forestry Virtual Video Field Days

Containers for Tree Seedlings | Forest and Conservation Nurseries: In this virtual forestry field day, Dr. J.B. Friday, CTAHR Extension Forester, visits four nurseries on Hawai'i Island to examine proper containers for forestry and conservation projects in Hawaii and other Pacific Islands. (July 2013)

Native Forest Tree Seed: Collecting, Processing and Storage: In this forestry field day, Jill Wagner, owner of Future Forests Nursery and Director of the Hawaii Island Native Seed Bank joins Dr. J.B. Friday to demonstrate how to clean, dry, and package native plant seed for long term storage by Pacific island nurseries. (May 2013)

Improving Form of Young Koa Trees: Pruning and Singling to Improve Timber Quality: Dr. J.B. Friday, CTAHR Extension Forester joins Nick Koch of Forest Solutions at Kamehemeha Schools Keauhou Ranch to show how to prune young koa. (November 2012).

Planting Koa: Dr. J. B. Friday, CTAHR Extension Forester, joins Steve Coffee, Educational Solutions Inc. in an instructional video about how to outplant koa seedlings to maximize their survival. Filmed at Kaiholena, Ka'u, Hawai'i Island. Partial funding provided by USDA NRCS and USFS (June 2012).

Koa Forest in Koke'e: Recovery and Threats. Koa Field Day by Dr. J. B. Friday, CTAHR Extension Forester, and Dr. Travis Idol, CTAHR Associate Professor of Tropical Forestry. A native koa forest that regenerated after hurrince 'Iwa and salvage logging in 1982 is now threatened by invasive species. Koke'e State Park, Kaua'i (June 2009).

Establishing Silvopastures with Acacia Koa: Dr. James Leary, CTAHR Invasive Weed Scientist, Dr. J. B. Friday, CTAHR Extension Forester, and Dr. Travis Idol, CTAHR Assistant Professor of Tropical Forestry, research an innovative approach to restoring koa corridors on pastureland in Hawaii for land management to support both cattle and koa production. Herbicide trials and scarification methods are examined (July 2009).

Thinning, Fertilization and Herbicide Trials to improve Koa Production: Dr. J.B. Friday, CTAHR Extension Forester, explains a research trial to study the results of thinning, fertilization, and herbicides to improve Acacia koa production. Dr. James Leary, CTAHR Invasive Weed Specialist, explains the herbicide trial and demonstrates an application. CTAHR Virtual Field Day: Umikoa Ranch November 2008. ONE YEAR LATER follow-up shows the effect of the grass control. November 2009.

Koa Regeneration: Hands-free Spraying for Koa Corridors (Dr. James Leary): Dr. James Leary, UH-CTAHR, conducts herbicide trials at Hakalau Forest National Wildlife Refuge to help re-establish critical habitat with Acacia koa vegetative corridors. Leary demonstrates the use of a prototype hands-free backpack sprayer to safely apply herbicide in uneven terrain.