
Ep 31. Pests and Pesticides in Hawaii with Dr. Harold Keyser
02/16/23 • 80 min
In this episode we talk with Dr. Harold Keyser, former University of Hawaii CTAHR Maui County Administrator. Dr. Keyser shares some of his thoughts on the future of diversified agriculture, community-oriented ag parks, and experiences working with ag producers and dealing with pest and pesticide stressors on Maui.
Brought to you by University of Hawaii College of Tropical Ag. and Human Resources, and the Seeds of Well-being (SOW) Project. This podcast is supported by the Farm and Ranch Stress Assistance Network (FRSAN) grant from the U.S. Department of Agriculture, National Institute of Food and Agriculture and Hawaii Department of Agriculture.
Associated Links:
- HDOA Pesticides Branch contact information for Education Specialists in each county.
- Hawaii Pesticide Policy and Law Review Project, Ashman and Keyser. November 2018.
- UH CTAHR Integrated Pest Management.
- Pesticide Educational Resources Collaborative (PERC).
- Paracelsus - the dose makes the poison.
- Chlorine is a restricted use pesticide injected into our drinking water to make it safe.
- How Toxic Is It? Natural and synthetic products can both be toxic (at high doses).
- Agricultural Health Study.
- Fernandez-Cornejo, J., R. Nehring, C. Osteen, S. Wechsler, A. Martin, and A. Vialou. 2014. "Pesticide Use in U.S. Agriculture: 21 Selected Crops, 1960-2008". U.S. Department of Agriculture, Economic Research Service, EIB-124.
- Agricultural Marketing Service, U.S. Department of Agriculture. Pesticide Data Program Databases and Annual Summaries.
- FDA Total Diet Study - Monitoring levels of nutrient elements, toxic elements, pesticide residues, and other chemicals in foods.
- State of Hawaii Department of Health, Safe Drinking Water Branch. Drinking Water Reports.
- Pesticide Education Resources Collaborative, with links to EPA's Worker Protection Standard on pesticide use and safety information and training.
- 2013-14 STATE WIDE PESTICIDE SAMPLING PILOT PROJECT
WATER QUALITY FINDINGS: A Joint Investigation by the Hawaii State Departments of Health and Agriculture. 2014. - Johnson, A.G. and Kennedy, J.J., 2018, Summary of dissolved pesticide concentrations in discrete surface-water samples collected on the islands of Kauaʻi and Oʻahu,
Find out more about us:
In this episode we talk with Dr. Harold Keyser, former University of Hawaii CTAHR Maui County Administrator. Dr. Keyser shares some of his thoughts on the future of diversified agriculture, community-oriented ag parks, and experiences working with ag producers and dealing with pest and pesticide stressors on Maui.
Brought to you by University of Hawaii College of Tropical Ag. and Human Resources, and the Seeds of Well-being (SOW) Project. This podcast is supported by the Farm and Ranch Stress Assistance Network (FRSAN) grant from the U.S. Department of Agriculture, National Institute of Food and Agriculture and Hawaii Department of Agriculture.
Associated Links:
- HDOA Pesticides Branch contact information for Education Specialists in each county.
- Hawaii Pesticide Policy and Law Review Project, Ashman and Keyser. November 2018.
- UH CTAHR Integrated Pest Management.
- Pesticide Educational Resources Collaborative (PERC).
- Paracelsus - the dose makes the poison.
- Chlorine is a restricted use pesticide injected into our drinking water to make it safe.
- How Toxic Is It? Natural and synthetic products can both be toxic (at high doses).
- Agricultural Health Study.
- Fernandez-Cornejo, J., R. Nehring, C. Osteen, S. Wechsler, A. Martin, and A. Vialou. 2014. "Pesticide Use in U.S. Agriculture: 21 Selected Crops, 1960-2008". U.S. Department of Agriculture, Economic Research Service, EIB-124.
- Agricultural Marketing Service, U.S. Department of Agriculture. Pesticide Data Program Databases and Annual Summaries.
- FDA Total Diet Study - Monitoring levels of nutrient elements, toxic elements, pesticide residues, and other chemicals in foods.
- State of Hawaii Department of Health, Safe Drinking Water Branch. Drinking Water Reports.
- Pesticide Education Resources Collaborative, with links to EPA's Worker Protection Standard on pesticide use and safety information and training.
- 2013-14 STATE WIDE PESTICIDE SAMPLING PILOT PROJECT
WATER QUALITY FINDINGS: A Joint Investigation by the Hawaii State Departments of Health and Agriculture. 2014. - Johnson, A.G. and Kennedy, J.J., 2018, Summary of dissolved pesticide concentrations in discrete surface-water samples collected on the islands of Kauaʻi and Oʻahu,
Find out more about us:
Previous Episode

Ep 30. Hawaii Invasive Species - Christy Martin from CGAPS
In this episode we speak with Christy Martin from the Hawaii Coordinating Group on Alien Pest Species (CGAPS) about the impact of invasive species in Hawaii. It is estimated that there are over 20,000 species that impact our ag producers!
The Coordinating Group on Alien Pest Species (CGAPS) is a voluntary partnership of federal and state agencies and non-governmental organizations whose goal is to protect Hawaii from invasive species that impact the economy, environment, agriculture, and public health. CGAPS works to close the gaps in Hawaii’s terrestrial and aquatic invasive species prevention and response systems through greater coordination, planning, and management. CGAPS is a project of the Pacific Cooperative Studies Unit of the University of Hawaiʻi. CGAPS staff also work with regional, national, and international partners on priority invasive species issues, including the synergistic effects of climate change and invasive species.
Associated Links:
- Coordinating Group on Alien Pest Species
- To report a pest dial 643-PEST (7378) or submit online here
Find out more about us:
Next Episode

Ep 32. Invasive Species & Noxious Weeds - Stephanie Easley & Chuck Chimera
In this episode we talk with Stephanie Easley, Legal Fellow at the Coordinating Group on Alien Pest Species, and Chuck Chimera, Weed Risk Assessment Specialist, Hawaii Invasive Species Council. Stephanie and Chuck discuss their experience battling the incoming threat and spread of invasive species and noxious weeds in Hawaii and how public education, improved regulations and policies can help deter the worsening impact of unwanted pests from invading Hawaii's natural and agricultural lands.
Brought to you by University of Hawaii College of Tropical Ag. and Human Resources, and the Seeds of Well-being (SOW) Project. This podcast is supported by the Farm and Ranch Stress Assistance Network (FRSAN) grant from the U.S. Department of Agriculture, National Institute of Food and Agriculture and Hawaii Department of Agriculture.
Associated Links:
- Coordinating Group on Alien Pest Species
- Plant Pono
- Big Island Invasive Species Committee
- Kauai Invasive Species Committee
- Oahu Invasive Species Committee
- Maui Invasive Species Committee
Find out more about us:
Seeds Of Wellbeing - SOW - Ep 31. Pests and Pesticides in Hawaii with Dr. Harold Keyser
Transcript
The views information or opinions expressed during the seeds of wellbeing series are solely those of the individuals involved and do not necessarily represent those of the University of Hawaii College of Tropical Agriculture and Human Resources, our funders, and any affiliated organizations involved in this project.
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