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Tropical Agriculture

Eat your ‘weeds: new study finds seaweed a good source of iron


In a forthcoming publication, researchers Joannie Dobbs and Michael Dunn and graduate student Shireen Flores in the College of Tropical Agriculture and Human Resources (CTAHR) assessed the nutrient content and iron bioavailability in common and Hawaiian seaweeds. Bioavailability refers to the portion of iron in a food which can be absorbed by the body. As Dobbs points out, iron deficiency is a significant public ...

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UH researchers identify new butterfly species to Hawaiian Islands

Sleepy Orange butterfly (Abaeis nicippe)

University of Hawaiʻi at Mānoa Professor Daniel Rubinoff and researcher William Haines of the Department of Plant and Environmental Protection Sciences in the College of Tropical Agriculture and Human Resources, have conclusively identified a newcomer to the Hawaiian Islands: the Sleepy Orange butterfly (Abaeis nicippe). The last time a new butterfly was identified in Hawaiʻi was in 2008, when the ...

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Protecting Hawai‘i’s key pollinators


Honeybees pollinate many tropical fruits and nuts and are key pollinators for crops such as melons, squash, and cucumbers—$200 million worth of crops statewide. However, the large colony losses experienced recently on O‘ahu and the Big Island have awakened concern for the preservation of honeybee populations and the sustainability of bee-dependent fruit, nut, and vegetable production in Hawai‘i. UHM’s College ...

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New anthurium blight website from CTAHR

"Marian Seefurth" is a staple variety of the modern anthurium industry. Credit: Joanne Lichty, CTAHR.

Anthurium blight is a serious disease that has severely impacted Hawai‘i’s anthurium industry. The College of Tropical Agriculture and Human Resources (CTAHR) has been instrumental in the fight against the pest since it was first discovered, and now a new website created by Scot Nelson (PEPS) describes its history and shows what’s in store for the future. Anthurium Blight: Pathogen, Symptoms ...

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Reef to table: Researchers discover the true value of small-scale reef fisheries

Researchers and community partners at a Kīholo Bay community consultation: Jack Kittinger, Daniela Kittinger, Hal Koike, Bart Wilcox, Uʻilani Macabio, Jenny Mitchell and Mahana Gomes.

Small-scale reef fisheries—those used by local communities, rather than large commercial fishing operations—have important value that goes beyond the purely monetary, according to a study published by University of Hawaiʻi at Mānoa researchers and co-authors. The study, published in PLOS ONE, focused on a single artisanal coral reef fishery in Kīholo Bay, showing that it produces over 30,000 meals per ...

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Two UH-developed technologies presented at prestigious showcase


KinetiCor and Jun Innovations were the first University of Hawaiʻi spinouts (inventions developed from university research) to be invited to present at the prestigious First Look LA showcase of university technologies held on June 24, 2015 at UCLA’s California NanoSystems Institute. KinetiCor was represented by CEO Jeffrey Yu and Jun Innovations was represented by Luke Tucker of XLR8UH (UH’s proof of concept center/accelerator ...

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Study finds 24/7 Dad curriculum helps fathers gain skills and happiness

Dad and son1

Just in time for Father’s Day, family researcher Selva Lewin-Bizan has released the preliminary results of an evaluation of a fatherhood program conducted in Hawaiʻi, showing that men who attend the program are likely to improve their parenting skills, knowledge, attitudes and family relationships. Lewin-Bizan is an assistant professor in the Department of Family and Consumer Sciences and the Center on the Family in the UH Mānoa College of ...

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Wang has soil covered


Cover cropping is making a comeback. Farmers of yore recognized the benefits of cover crops worked into the soil as green manure or left on the surface as mulch. Then fertilizers, pesticides, and high-yielding crop varieties reduced the need to take fields out of cash-crop production in order to plant cover crops. Now, renewed focus on sustainability has revived interest, and USDA’s National Resources Conservation Service ...

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[TALK] Global Food Security by 2050: Challenges and Opportunities

Thomas Lumpkin

With the global population expected to approach 9 billion by 2050 and climate change altering agricultural conditions, the world is “entering a perfect storm of challenges to global food security,” according to Thomas Lumpkin, an international expert in sustainable agricultural development who will speak in Honolulu on Monday, November 10. Lumpkin, the University of Hawai‘i at Mānoa’s 2014 College of ...

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Partnership will tackle innovative methods of converting food wastes

Black Soldier Fly

The non-profit group Energy Excelerator has announced its selection of 17 grantee companies for 2015, its largest cohort to date. Among its grantees is the partnership between the UH Mānoa College of Tropical Agriculture and Human Resources (CTAHR)’s Bioenergy and Environment Research Group and the bioconversion company, ProtaCulture LLC, which was selected from a pool of over 250 applicants. CTAHR ...

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