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Tropical Agriculture

A helicopter and paintball gun: new tools in the battle to remove invasive species

James Leary, associate professor in the College of Tropical Agriculture and Human Resources (CTAHR), is battling invasive species with his innovative Herbicide Ballistic Technology (HBT™). Leary has invented a way to adapt readily available pneumatic paintball guns to shoot small gelatin capsules filled with herbicide to control invasive plants and trees. In Maui, Leary’s main focus is miconia, an invasive weed …

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Student projects shine at UH Mānoa Undergraduate Showcase

University of Hawaiʻi at Mānoa undergraduate students from all fields of study will present their faculty-supervised research project or creative work at the Undergraduate Showcase on Friday, May 6. This free and open-to-the-public event will feature 130 presentations and posters by 150 undergraduate students in the disciplines of arts and humanities, engineering and computer sciences, natural sciences and social sciences. …

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[VIDEO] Campaign to conserve ʻōhiʻa trees finds roots in community

A coalition of concerned individuals including scientists, craftspeople, environmentalists and Native Hawaiian practitioners like Kalena Silva (pictured) has helped the #ohialove campaign to flourish. See Hawaiian chant translation. A strong show of public support for the #ohialove crowdfunding campaign to bank ʻōhiʻa tree seeds in the face of the Rapid ʻŌhiʻa Death (ROD) epidemic has encouraged organizers to increase their …

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CTAHR honors alumnus William Aila and poi producer Ernest Tottori

University of Hawaiʻi at Mānoa graduate and Hawaiian cultural practitioner William J. Aila Jr. has been named the College of Tropical Agriculture and Human Resources’ 2016 Outstanding Alumnus for his environmental and cultural leadership at two state agencies. He will be honored at CTAHR’s 28th Annual Awards Banquet along with Ernest Tottori, the visionary chairman of HPC Foods Inc. and its iconic Taro Brand …

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[VIDEO] UH Mānoa campus an accredited arboretum

The tree-filled campus of the University of Hawaiʻi at Mānoa is now an accredited arboretum, one of 134 internationally and one of two in Hawaiʻi, joining UH’s Harold L. Lyon Arboretum. UH Mānoa received the recognition from the Morton Arboretum’s ArbNet, the world’s only arboretum accreditation program. “We look at it as giving us an opportunity to show off our campus,” said Richard Criley, UH Mānoa emeritus professor of horticulture. …

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Oʻahu Agriculture and Environmental Awareness Day events at UH Waimanalo Research Station

Some 500 elementary students and their teachers will visit the University of Hawaiʻi at Mānoa’s 128-acre Waimanalo Research Station on Friday, March 4, when the College of Tropical Agriculture and Human Resources’ (CTAHR)Oʻahu Cooperative Extension Office and Office of Academic and Student Affairs host the 2016 Oʻahu Agriculture and Environmental Awareness Day. The general public is invited for a field …

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Getting up-close with science at Gene-ius Day

Since 2006, more than five thousand Hawaiʻi schoolchildren have gotten up-close with science at Gene-ius Day, a program developed by professor Ania Wieczorek of the College of Tropical Agriculture and Human Resources(CTAHR) at the University of Hawaiʻi at Mānoa. “Gene-ius Day is basically a science program for students in the elementary and middle school with an emphasis on the importance …

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Scientists recognized in fight against Rapid ʻŌhiʻa Death

Three scientists were honored by the Hawaiʻi Invasive Species Council with the Greatest Hits award for their work in the fight against Rapid ʻŌhiʻa Death. Rapid ʻŌhiʻa Death is a virulent disease that has killed more than 100,000 ʻōhiʻa trees on Hawaiʻi Island. The honorees were Extension Forester J.B. Friday of the University of Hawaiʻi at Mānoa College of Tropical …

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A global perspective on honeybee virus transmission

Ethel Villalobos, University of Hawaiʻi at Mānoa researcher and director of the UH Honeybee Project, is an internationally recognized authority on bees and their pests and diseases. She was recently asked by the journal Science to write an accompanying piece to an article they were publishing that explored the geographical origin and evolutionary history of the bee pest the Varroa mite …

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Longstanding genetic question solved by studying corn

A question that has long puzzled geneticists now has a solution: researcher Gernot Presting and three postdoctoral scholars in his lab, all members of the Department of Molecular Biosciences and Bioengineering in the College of Tropical Agriculture and Human Resources, have explained why the DNA at the centromeres evolves so quickly. The Centromere Paradox On the X-shaped chromosome, the centromere is at the “cross” point of the …

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