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Tropical Agriculture

What children eat when they’re on their own

Fresh foods_CTAHR

In collaboration with a multi-state team of researchers, Jinan Banna, assistant professor in the College of Tropical Agriculture and Human Resources (CTAHR), has published a paper in the journal Nutrients assessing the influence of parenting practices on eating behaviors of early adolescents during independent eating occasions and the implications for obesity prevention. Early adolescents consume foods and beverages during eating occasions that occur ...

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Food security focus of presentation series


The University of Hawaiʻi at Mānoa College of Tropical Agriculture and Human Resources (CTAHR) presents 12 at 12, a spring 2016 series of presentations that will bring together UH Mānoa faculty from various departments to discuss the divergent aspects and various themes related to food security. 12 at 12 presentations will be hosted by a different department each month in order to ...

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CTAHR scientist selected as policy fellow for national entomological society

Helen Spafford

Helen Spafford, an associate professor in the University of Hawaiʻi at Mānoa’s College of Tropical Agriculture and Human Resources (CTAHR), has been named a Science Policy Fellow for the Entomological Society of America. She is one of only five scientists across the country to be designated in 2015. The competitive fellowship program was created in 2014 to support scientists for ...

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Hawaiian peaches could have a bright future


Peaches aren’t a new crop in Hawai‘i — but good peaches just might be. The tasty and popular fruit hasn’t previously done well in the Islands. A College of Tropical Agriculture and Human Resources (CTAHR) publication from 1973 discourages growing peaches in the Islands, explaining that fruit flies would damage the crop too severely and there were few varieties not ...

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UHM researchers help unlock pineapple genome


University of Hawaiʻi researchers have taken an important step towards understanding what makes pineapple able to thrive in arid conditions, where few other crops can survive and how this knowledge can be used for other crops in drought-stricken areas. Nancy Jung Chen and Robert Paull, researchers in the Department of Tropical Plant and Soil Sciences (TPSS) in the College of Tropical ...

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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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