News and Events


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Island Hopping

Island Hopping 6 July 2023

Island Hopping

New Extension dean visits Ag Fests on Maui and Kauaʻi

Jeremy Elliott-Engel, CTAHR’s new Associate Dean & Associate Director for Cooperative Extension, hit the ground running with flights to Maui for the Maui Ag Fest & 4-H Livestock Show and Kauaʻi for the Kauaʻi County Farm Bureau Agricultural Festival.

Building an Ag Workforce

Building an Ag Workforce 6 July 2023

Building an Ag Workforce

UGC partners with Waipahu H.S. on workforce development

In line with CTAHR’s grand challenge to advance workforce and economic development, Extensionʻs Urban Garden Center is proud to partner with Waipahu High School and its ʻOhana of Excellence Academy (OEA), a pilot program funded by the Department of Labor and Industrial Relations (DLIR). 

Language-Appropriate Outreach

Language-Appropriate Outreach 6 July 2023

Language-Appropriate Outreach

Extension will use USDA grant to help immigrant farmers

Immigrant farmers in Hawaiʻi whose native tongues include Thai, Lao, Ilocano, Chinese and other languages often find it difficult to access new safety guidelines and other important agricultural information.

Fast Forward

Fast Forward 12 May 2023

Fast Forward

Youths aren’t forgotten in Urban Garden Center’s many interactions with the public

As more than 250 students from 24 high schools across the state gathered to participate in this year’s Future Farmers of America convention on Oʻahu, the Urban Garden Center proved a key resource in the event. The youths visited UGC and took part in fast-paced educational activities around the facility. With their teachers, the students got their hands dirty restarting a static hydroponic system, harvesting locally grown fruits and veggies in raised beds, and transplanting succulents.

What’s All the Buzz About?

What’s All the Buzz About? 12 May 2023

What’s All the Buzz About?

Maui 4-H bee house reopens after pandemic

The Bee House at the CTAHR Maui Extension Office is making a triumphant return after a three-year-long hiatus due to the Covid-19 pandemic. Led by 4-H Youth Development Agent Nancy Ooki and Master Gardener Coordinator and Beekeeper Eric Demaria, the project seeks to teach youths about the importance of bees to Hawaiʻi’s ecosystems. 

The Potential for Sweet Onions

The Potential for Sweet Onions 21 April 2023

The Potential for Sweet Onions

Extension’s field day draws a large, interested crowd

The length of the day plays a large role in the development of sweet onion bulbs, thus farmers in Hawaiʻi have historically been limited to growing only “short-day” onions, especially during the winter when days are shorter. However, there are options for growing intermediate-day varieties in the summer months, and this potential opportunity drew more than 30 growers and community members to Extension’s recent field day at Poamoho Experiment Station.

CTAHR & City Mill

CTAHR & City Mill 21 April 2023

CTAHR & City Mill

Extension’s garden education is a hit with the community

“Basic Planting Guidelines” was anything but academic for the packed house of community members at City Mill’s recent garden education program. Led by Extension’s Tina Lau and the Master Gardeners, it encouraged home gardeners to be plant detectives, able to observe and diagnose their plant problems and to introduce the Oahu Master Gardener Helpline as a resource online, via the telephone, or in-person. It was the latest example of CTAHR and City Mill working together to promote more food production in the state, as well as raise awareness and heighten the availability of garden products locally. 

Honorary Outstanding Alumnus

Honorary Outstanding Alumnus 29 March 2023

Honorary Outstanding Alumnus

The Dean’s Award goes to Fred Lau

After graduating from Kalani High School in 1972 and matriculating to CTAHR, Fred Lau couldn’t wait to start his own business. So in his last year of college, he and a friend left UH to start their own business. Their plan was to look through the Yellow Pages for a nursery-related business with the least amount of competition. The plant rental section had only two businesses listed, so the partners walked into hotels and businesses in Waikiki offering these services to any manager who would meet with them. 

Gone to the Birds

Gone to the Birds 29 March 2023

Gone to the Birds

Extension on the Ground focuses on rose-ringed parakeets

Commercial and backyard gardeners alike will tell you the same thing: fruit is on the tree one day, and gone the next. The culprit? In addition to the local bulbul, doves, cardinals, and myna birds, the rose-ringed parakeet is now a known culprit. These beautiful but voracious invasive pests have been on Oʻahu since the 1930’s, but are quickly growing in population numbers. 

Excellence in Extension

Excellence in Extension 17 March 2023

Excellence in Extension

The Dean’s Award goes to the Banana Bunchy Top Virus Team

The Dean’s Award for Excellence in Extension distinguishes an exceptional Extension faculty member or team whose work has demonstrated outstanding performance and significant results. This year, the award goes to the team who have worked to revitalize the Hawaiʻi banana industry with clean, virus-free planting materials in a statewide Extension outreach program.

Outstanding Volunteer

Outstanding Volunteer 17 March 2023

Outstanding Volunteer

The Dean’s Award goes to Beatrice Sailer

Volunteers are the lifeblood for Extension programs such as 4-H and Master Gardener. The recipient of the Dean’s Award for Outstanding Extension Volunteer goes to Beatrice Sailer, Master Gardener volunteer.

CTAHR Represents

CTAHR Represents 17 March 2023

CTAHR Represents

Grow Hawaiian Festival at Greenwell Ethnobotanical Garden makes a return

On the misty morning of Saturday, February 25th, hundreds of people gathered at the Amy B.H Greenwell Ethnobotanical Garden to celebrate Hawaiian culture and natural history at the 2023 Grow Hawaiian Festival. Hosted by the Friends of Amy B.H Greenwell Ethnobotanical Garden, the festival was the garden’s first event in over 3 years.

On the Air

On the Air 28 February 2023

On the Air

Extension’s Amjad Ahmad is interviewed on Hawai'i Public Radio

Rotting and leafless avocado trees are spreading nationwide due to lace bugs. With the trees in jeopardy, Extension agents in the Dept. Of Tropical Plant and Soil Sciences are doing extensive research to determine the most effective courses of action to get rid of these pests. Their research thus far has determined some strategies that could help avocado tree owners decrease their chances of attaining lace bugs and even exterminating them.

Taking on Atlanta

Taking on Atlanta 28 February 2023

Taking on Atlanta

12 Maui 4-H youths attended the national 4-H congress

For many 4-H youths, the National 4-H Congress is a highly anticipated annual event that celebrates the culmination of a year’s worth of personal growth, hard work, and service-learning. Hundreds of 4-H delegates gather every year in Atlanta, Georgia to network with other 4-H peers from around the nation, participate in community service events, and attend workshops about leadership, volunteering, global awareness, and inclusion.

Irrigation Systems

Irrigation Systems 28 February 2023

Irrigation Systems

Extension hosts a workshop for the community

With seasonal rains coming down seemingly nonstop, the topic of irrigation was front and center as Oʻahu County Extension hosted a workshop for backyard and Master Gardeners. Guests welcomed the opportunity to get out of the rains to attend the educational workshop as Extension agents explained measures that CTAHR has taken to reduce potable water use at the Urban Garden Center, and the role of Cooperative Extension in fulfilling CTAHR’s land grant college mission.

Horsin’ Around

Horsin’ Around 10 February 2023

Horsin’ Around

Oʻahu County 4-H shines at National Western Stock Show

Every year, nearly 700,000 ranchers, farmers, and rodeo enthusiasts from around the country make the pilgrimage to Denver to watch and participate in the world’s largest stock show and celebration of Old Western culture and heritage. The National Western Stock Show is a 16-day-long fair featuring rodeo shows, hundreds of food and livestock vendors, barbeque competitions, fiddling contests –  and everything in between.

One Health Hawai‘i

One Health Hawai‘i 30 January 2023

One Health Hawai‘i

CTAHR supports Gov. Green’s proclamation

Did you know that 75% of new human pathogens over the past three decades have originated from animals? What’s more, many common causes of human infection, such as E. coli and Salmonella, are shared with animals and readily found within the environment.

Happy Plantsgiving

Happy Plantsgiving 9 December 2022

Happy Plantsgiving

Community garden event pairs FCS with FETCH

Bringing families together is a concept that dates back to the very first Thanksgiving. This past Nov. 23, an inaugural community garden event, “Plantsgiving Thanksgiving,” was co-hosted by the Dept. of Family and Consumer Affairs and CTAHR’s Family Education Centers of Hawaii, Inc.

Global Interest

Global Interest 18 November 2022

Global Interest

HNFAS Extension is recognized by NIFA

Congrats to Mark Thorne on a Partnership Award for Multistate Efforts! His National Connections Teams for Forest & Rangeland Resources team was recognized by the USDA’s National Institute of Food and Agriculture for developing the web-based conference series, “Strengthening RREA programing Through Enhanced Connections.”

Life Skills

Life Skills 18 November 2022

Life Skills

4-H creates a youth entrepreneurship pilot program

Imagine a club where youths meet weekly, participate in hands-on activities that spark creativity and innovation, and learn business components such as customer service and marketing. Throw in a food safety course from the state Dept. of Health and ways to incorporate Hawaiian values, agriculture, and local value-added product innovations into their business strategy. Top it off with a capstone project, a Keiki Open Market, where the youths showcase their vegetables, value-added products, and other inventions.

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11 October 2023

Invasive Pests

CTAHR conference brings together like-minded collaborators

Invasive Pests

By Roshan Manandhar

With our beloved island home beset by invasive pests of all shapes and sizes, what is the best way to pool our collective knowledge and resources so we can effectively combat these challenges?

A two-day conference on invasive pests is a good start. Held August 9 -10 at the Blaisdell Center in Honolulu, the 2023 Invasive Pest Conference featured 27 talks on a diversity of invasive pests ranging from weeds to agricultural and landscape pests, as well as climate change and biological control – all presented by CTAHR researchers, Extension faculty, and experts from other partner agencies. 

It was great having keynote speaker Phillip Andreozzi, USDA Invasive Species Coordinator. Phillip shared his experience and insights of invasive species as well as collaboration opportunities throughout the Pacific Basin.  

Many talks focused on policies, implementation, achievements, and future directions of invasive species management. The first covered the Hawaiʻi Interagency Biosecurity Plan (2017-2027), in which 39% of action plans (147) being “completed” or “ongoing in perpetuity,” with appropriate steps to move actions forward. This was followed by an overview of the Hawaiʻi-Pacific Weed Risk Assessment, an introduction to the Prevention Priority and Limited Distribution, and details on a statewide project to engage haumana (students) in grades K-12 in legislative efforts that support native species conservation in Hawaiʻi. 

Next, presentations highlighted the impacts of climate change on invasive species: Hawaiʻi’s native forest birds experiencing drastic declines due to climate change leading to greater densities of its primary avian malaria vector; and the Pacific Regional Invasive Species and Climate Change Management Network. 

A session on snails – species diversity and surveys of invasive terrestrial (including freshwater) species -- along with a review of known pests from poorly studied groups (non-insect, invertebrates) that have become established in the islands. Another speaker addressed a yellow crazy ants control program to conserve natural habitats on Johnston Atoll. Other talks included vertebrate invasive pests: ungulate species across the Hawaiian Islands, and a new self-resetting trap, AT-220, for controlling small vertebrates (rats, mongoose, etc.) in our ecosystem.

Sessions on the coconut rhinoceros beetle and coffee pests were the next attraction: CRB response, the Master Gardeners Program effort to involve the public in CRB prevention, and recent tools such as the Rhino Cam and aerial application of insecticide. Improved IPM of the coffee berry borermay depend on the introduction of a parasitoid Phymastichus coffea. Three presentations on coffee leaf rust covered the past two years: infestation, research at Kona Research and Extension Center, and management with fungicides.

Topics in the final session included fighting Rapid Ōhiʻa Death, the statewide diamondback moth program that uses insecticide rotation to mitigate crop loss, ineffective organic herbicides for controlling Devil weed, a biological control agent that controls fireweed and spreads naturally to Cape ivy, factors in  environmentally safe biological controls, and finally, communication and networking through mini-conferences to reach the many stakeholders in Hawaiʻi and beyond.

The conference was well attended, with more than 70 participants, mostly from CTAHR, State and Federal Agencies, Invasive Species Committees, Industries and Botanical gardens, non-profit organizations, etc. Apart from learning a ton, participants had a good environment to communicate and share knowledge on invasive pest concerns. This conference included the Hawaiʻi Invasive Species Council, Coordinating Group on Alien Pest Species, and Oʻahu Invasive Species Committee.