74 episodes
- In this episode, Dr. Rodrigo Almeida, 2026 APS Fellow, Professor of Emerging Infectious Disease Ecology, and Hildebrand-Laumeister Chair in Plant Pathology in the Department of Environmental Science, Policy and Management at the University of California Berkeley joins host Matt Kasson to discuss his career working on insect-transmitted plant pathogens inside and outside California with an emphasis on the bacterial plant pathogen Xylella fastidiosa, the causal agent of Pierce’s Disease of grape. He helps untangle the tricky taxonomy of Xylella and talks about some of the modern tools and techniques his lab has developed to study this fastidious organism.
Show Notes
Dr. Rodrigo Almeida’s UC Berkeley faculty webpage: https://sites.google.com/berkeley.edu/almeida-lab/home
Dr. Rodrigo Almeida’s Google Scholar profile: https://scholar.google.com/citations?user=LMsjc2cAAAAJ&hl=en
2026 APS Fellow Profile: https://www.apsnet.org/members/give-awards/Pages/awardees.aspx
This episode is produced by Association Briefings.
Special Guest: Rodrigo Almeida. - In this episode, Dr. Christina Cowger, 2026 APS Fellow and Research Plant Pathologist with the USDA-ARS Plant Science Research Unit in Raleigh, North Carolina joins host Matt Kasson to discuss her career working on cereal diseases across the U.S., the contemporary threats wheat producers face, and the management tools and cultivars that the USDA and others are helping to develop and deploy to maximize production. She also gives an impromptu lesson on wheat production across the U.S. and talks about the joys of mentoring and serving as an editor for APS journals.
show notes
Dr. Christina Cowger USDA profile: https://www.ars.usda.gov/southeast-area/raleigh-nc/plant-science-research/docs/research-spotlight/christina-cowger-small-grains-pathologist/
Dr. Christina Cowger Google Scholar profile: https://scholar.google.com/citations?user=APwxkDEAAAAJ&hl=en
2026 APS Fellow Profile: https://www.apsnet.org/members/give-awards/Pages/awardees.aspx
This episode is produced by Association Briefings.
Special Guest: Christina Cowger. - In this episode, Dr. Melanie Medina López, postdoctoral researcher in the Roman-Reyna Lab in the Department of Plant Pathology and Environmental Microbiology at Penn State University, joins host Matt Kasson to discuss phytobiomes, soybean cyst nematode, and biocontrol. She also discusses growing up in Puerto Rico, her time working on vaccine development, and her love of science.
*Show Notes *
Dr. Melanie Medina López PSU profile: https://plantpath.psu.edu/directory/mkm6528
Dr. Melanie Medina López google scholar profile: https://scholar.google.com/citations?user=tegwxa8AAAAJ&hl=en
This episode is produced by Association Briefings.
Special Guest: Melanie Medina López. - In this episode, former Plantopia host, Jim Bradeen, joins host Matt Kasson to discuss the origins and current state of APS's Plant Health podcast. In addition to providing a behind the scenes look of putting together a single episode, they also discuss some of their favorite memories and where they see the podcast headed as the search for a new host / co-host gets underway.
*show notes *
Featured episodes
Going Viral: https://www.plantopiapodcast.org/64
Plant Pathology 101: https://www.plantopiapodcast.org/47
Of Peeps and People…and Plant Pathology: https://www.plantopiapodcast.org/25
Arms Race Part 1: Ug99: https://www.plantopiapodcast.org/1
This episode is produced by Association Briefings.
Special Guest: Jim Bradeen. - In this episode, D.C. lobbyist Madeline Wade, M.P.P., partner and founder of Brumidi Group, joins host Matt Kasson to discuss all things lobbying including her firm’s role in working on behalf of APS to advance their policy priorities and implement meaningful policy actions. She also discusses her time on The Hill working under U.S. Representative Greg Walden, navigating the crowded D.C. political ecosystem, and the role of social media and its influence on political discourse.
*Show Notes *
Madeline Wade’s Brumidi Group profile: https://www.brumidigroup.com/madeline-wade
Madeline Wade’s Linkedin profile: https://www.linkedin.com/in/madeline-wade-a2419639
This episode is produced by Association Briefings.
Special Guest: Madeline Wade.
More Earth Sciences podcasts
Trending Earth Sciences podcasts
About Plantopia
Healthy plants are the foundation for life on our planet. They produce the oxygen we breathe and over 80% of the food we eat. The Plantopia podcast series explains how protecting plant health can ensure a sustainable future. Inspired by the United Nations declaration of 2020 as the International Year of Plant Health, the American Phytopathological Society created Plantopia so you can explore the world of plant health in company with plant pathologists—people on a mission to protect plants and our food supply.
Podcast websiteListen to Plantopia, NRC Onbehaarde Apen and many other podcasts from around the world with the radio.net app

Get the free radio.net app
- Stations and podcasts to bookmark
- Stream via Wi-Fi or Bluetooth
- Supports Carplay & Android Auto
- Many other app features
Get the free radio.net app
- Stations and podcasts to bookmark
- Stream via Wi-Fi or Bluetooth
- Supports Carplay & Android Auto
- Many other app features


Plantopia
Scan code,
download the app,
start listening.
download the app,
start listening.







