OTHER
University of Arizona
About this organization
University researchers and extension personnel produced historical Yuma fly research and PFAS studies. The institution’s communications articles are distinguished from original studies.
Sources 14
- Primary source · Scientific study2015 Yuma fly-pathogen report
University of Arizona Cooperative Extension report with Yuma County Pest Abatement District, dated July 13, 2015.
- Primary source · Scientific studyLeafyResNet: Fusarium wilt detection in lettuce using UAV RGB imaging and advanced deep learning model
Hossain, Slinski and Bucksch, Smart Agricultural Technology 12 (December 2025), article 101612; DOI 10.1016/j.atech.2025.101612.
- Primary source · Public statementUniversity of Arizona Experiment Station: Yuma Agricultural Center
University overview of Yuma Agricultural Center and the regional winter leafy-greens industry.
- Secondary source / research lead · News reportUniversity of Arizona explains PFAS research and Pima costs
February 27, 2026 university communications article by Rosemary Brandt includes Ian Pepper’s account.
- Primary source · Scientific studyUniversity of Arizona Extension: Fusarium Wilt of Lettuce (2015)
Michael Matheron explains disease biology and historical Arizona trials.
- Primary source · Scientific studyUniversity of Arizona presentation on potential fly sources in Yuma
Presentation by Paula Rivadeneira dated April 24, 2018, describing fieldwork in 2017.
View 8 more sources
- Secondary source / research lead · OtherUniversity of Arizona WEST account of Pima’s moratorium review
University research-center account of collaboration with Pima County on biosolids testing.
- Secondary source / research lead · OtherUniversity of Arizona WEST PFAS project overview
Research-center description of its national collaborative PFAS project.
- Primary source · Scientific studyUniversity of Arizona: Economic Contribution of Yuma County Agriculture
Duval, Montania, Frisvold and Quintero analyze 2022 agriculture and agribusiness contributions.
- Secondary source / research lead · OtherUnresolved research compilation: Run 4 Correction Addendum: Recovered Fly-Science Primary Records
This page documents an unresolved claim or research lead. It is not a finding of fact. UNRESOLVED. SECONDARY SOURCE ONLY. This is a cleaned catalog description of an internal research compilation, not independent corroboration of its contents. Authorship and issuing authority are not independently authenticated. The raw research PDF remains private.
- Primary source · Scientific studyYCEDA: 2022 Fusarium Wilt of Lettuce Field Day Handout
Field-day materials describe biosolarization and other Yuma management research.
- Primary source · Scientific studyYCEDA: 2025 Fusarium oxysporum f. sp. lactucae Field Trial Results
Two-page Yuma field-day report with cultivar disease severity and marketable-head charts.
- Primary source · Public statementYCEDA: Field Trials for Management of Fusarium Wilt of Lettuce
University-industry research program account of replicated Yuma lettuce disease management trials.
- Primary source · Public statementYCEDA: Managing Fusarium wilt of Lettuce with Tolerant and Resistant Lettuce Cultivars
Project description and annual reports for Yuma cultivar and breeding-line evaluations.
Timeline events 2
- University and Pest Abatement District report on fly pathogens
The report bears July 13, 2015 as its date. Its pooled-sample findings concern the studied sites and trapping events, not current regional causation.
- University presentation reviews selected Yuma fly sources
Paula Rivadeneira’s presentation is dated April 24, 2018 and describes 2017 fieldwork. The presentation date is distinct from the sampling period.
People 2
- Ian Pepper
Ian Pepper is a named author of the reviewed PFAS study abstracts and is quoted in the University of Arizona’s February 2026 account of biosolids research and Pima disposal costs. Research findings and cost statements have different evidentiary limits.
- Paula Rivadeneira
Paula Rivadeneira is identified with the University of Arizona Yuma Agricultural Center on the April 24, 2018 presentation about potential fly sources. The role is historical; current employment is not inferred.
Related topics 1
- Yuma Biosolids / AgTech
A source-first guide to Yuma’s biosolids debate: State Land leases, AgTech’s reported formal challenge, the City contract, fly research, PFAS questions and the records still needed.