Marc A. Hughes, PhD

Treesearch Publications

• Dylan Hyun, Marc A. Hughes, Nels G. Johnson, Flint F. Hughes, Peter M. Vitousek. 2025. In vitro assays suggest rapid ‘ōhi‘a death fungi can colonize Metrosideros polymorpha fine roots
• Jennifer Juzwik, Marc A. Hughes, Lisa M. Keith. 2024. Pathogenicity and colonization of Metrosideros polymorpha by Ceratocystis huliohia
• Megan M. Seeley, Roberta E. Martin, Christian P. Giardina, Blaine Luiz, Kainana S. Francisco, Zachary Cook, Marc A. Hughes, Gregory P. Asner. 2023. Leaf spectroscopy of resistance to Ceratocystis wilt of ‘Ōhi’a

Citations of Non-Forest Service Publications

• Juzwik J, Hughes MA and Keith L (2024). Pathogenicity and colonization of Metrosideros polymorpha by Ceratocystis huliohia. Forest Pathology, 54: e12865.
• Seeley M, Martin R, Giardina C, Luiz B, Francisco K, Cook Z, Hughes MA and Asner GP (2023). Leaf Spectroscopy of Resistance to Ceratocystis Wilt of ‘Ōhi‘a. PLoS ONE, 18(6): e0287144.
• Hughes MA, Roy K, Harrington TC, Brill E and Keith L (2023). Ceratocystis lukuohia-Infested Ambrosia Beetle Frass as Inoculum for Ceratocystis Wilt Of ‘Ōhi‘a (Metrosideros polymorpha). Plant Pathology, 72: 232-245.
• Luiz BC, Giardina CP, Keith LM, Jacobs DF, Sniezko RA, Hughes MA, et al. (2023). A Framework for Establishing a Rapid ʻŌhiʻa Death Resistance Program. New Forests, 54: 637-660.
• Hughes MA, Smith KE, Sims A, Zhang J, Held BW, Blanchette RA and Smith JA (2022). Screening of Persea borbonia Clones for Resistance to the Laurel Wilt Pathogen, Raffaelea lauricola. Forest Pathology, 52: e12776.
• Hughes MA, Juzwik J, Chen Z, Luiz B and Keith L (2022). Evaluation of Kiln-Heating as a Phytosanitary Treatment for Ceratocystis-Infested ‘Ōhi‘a (Metrosideros polymorpha) Wood. Forest Products Journal, 72: 207- 215.
• Perroy RL, Meier P, Collier E, Hughes MA, Brill E, Sullivan T, Baur T, Buchmann N and Keith LM (2022). Aerial Branch Sampling to Detect Forest Pathogens. Drones, 6: 275. https://doi.org/10.3390/drones6100275.
• Juzwik J, Hughes MA, Chen Z, Yang A, Keith L and White M (2021). Vacuum Steam Treatment of Metrosideros polymorpha Logs for Eradication of Ceratocystis huliohia and C. lukuohia. Plant Disease, 106: 1114-1121.
• Hughes MA, Morrell JJ, Cappellazzii J, Mackey B, Juzwik J and Keith LM (2021). Borate and Quaternary Ammonia Dip Diffusion to Treat Fungal Pathogens of Metrosideros Polymorpha Wood. Forest Products Journal, 71: 20-26.
• Martini X, Hughes MA, Conover D and Smith JA (2020). Use of Semiochemicals for the Management of the Redbay Ambrosia Beetle. Insects, 11: 796.

• Program
  

  Institute of Pacific Islands Forestry (Pacific Zone – Hawaii and U.S. Affiliated Pacific Islands)

  https://research.fs.usda.gov/psw/programs/ipif
  Station

  Pacific Southwest Research Station
• Project
  

  Increasing understanding and capacity to manage and mitigate Ceratocystis-caused Rapid ʻŌhiʻa Death (ROD) across Hawai’i

  https://research.fs.usda.gov/psw/projects/rod-initiative
  Station

  Pacific Southwest Research Station

Other Publications

• Brochure
  

  Perpetuating ‘Ōhi‘a Lehua for Future Generations: Rapid ‘Ōhi‘a Death Research

  https://research.fs.usda.gov/psw/understory/perpetuating-ohia-lehua-future-generations-rapid-ohia-death-research

Multimedia

• Webinars

  Striving Towards an Operational Disease Resistance Program for ‘Ōhiʻa Against the Fungal Pathogen Ceratocystis lukuohia

  https://research.fs.usda.gov/psw/products/multimedia/webinars/striving-towards-operational-disease-resistance-program-ohia

• University of Florida, Phd, Plant Pathology, 2012
• Florida Atlantic University, Bachelor Of Arts, Biological and Environmental Sciences, 2005