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Wednesday, July 30, 2025
6:30 AM - 7:30 AM CDT
Fun Run/Walk

6:30 AM - 7:30 AM CDT

Fun Run/Walk

7:30 AM - 9:00 AM CDT
Morning Coffee

7:30 AM - 9:00 AM CDT

Morning Coffee

Location: Grand Terrace

8:00 AM - 9:00 AM CDT
Potato Breeders Forum

8:00 AM - 9:00 AM CDT

Potato Breeders Forum

Location: Hall G

8:00 AM - 12:30 PM CDT
Registration Open

8:00 AM - 12:30 PM CDT

Registration Open

8:30 AM - 9:00 AM CDT
2026 Local Host Committee (LHC)

8:30 AM - 9:00 AM CDT

2026 Local Host Committee (LHC)

Location: Dane Room

9:00 AM - 10:00 AM CDT
Concurrent Session: Breeding and Genetics VI

9:00 AM - 10:00 AM CDT

Concurrent Session: Breeding and Genetics VI

Location: Ballroom AB

Moderator: Asunta L. Thompson – North Dakota State University

Breeding & Genetics

9:00 AM - 9:15 AM CDT

The Rise of Ry Markers in Potato Breeding Programs

Presenting Author: Jonathan Whitworth – USDA ARS, Aberdeen ID

Author: Noelle Anglin – USDA-ARS

Author: David S. Douches – Michigan State University

Author: Vidyasagar Sathuavlli – Oregon State University

Author: Asunta L. Thompson – North Dakota State University

Author: Caroline P. Gray – Colorado State University-SLVRC

Author: Walter De Jong – Cornell University

Author: Mario Henrique Murad Leite Andrade – University of Maine

Author: Isabel Vales – Texas A&M

Author: John Onditi – USDA ARS, Aberdeen ID

Breeding & Genetics

9:15 AM - 9:30 AM CDT

Breeding for virus disease resistance in Colorado State University’s germplasm

Presenting Author: Elizabeth Messier – Colorado State University-SLVRC

Author: Caroline P. Gray – Colorado State University-SLVRC

Author: Mohamad Chikh-Ali – Colorado State University

Breeding & Genetics

9:30 AM - 9:45 AM CDT

Variation in rates and capacities for heat acclimation and de-acclimation among Atlantic and Russet Burbank cultivars

Presenting Author: Jiwan P. Palta – University of Wisconsin- Madison

Author: Justin Schabow – University of Florida

Author: John Bamberg – US Potato Genebank

Author: Alfonso del Rio – US Potato Genebank/University of Wisconsin

Breeding & Genetics

9:45 AM - 10:00 AM CDT

Characterizing resistance to powdery scab

Presenting Author: Asunta L. Thompson – North Dakota State University

Author: Julie S. Pasche, n/a – North Dakota State University

Author: Laura M. Shannon – University of Minnesota

Author: Sapphire Coronejo – University of Minnesota

Breeding & Genetics

9:00 AM - 10:00 AM CDT
Concurrent Session: Extension, Production, and Management VI

9:00 AM - 10:00 AM CDT

Concurrent Session: Extension, Production, and Management VI

Location: Hall of Ideas FI

Moderator: Lincoln Zotarelli – University of Florida

Extension, Production & Management

9:00 AM - 9:15 AM CDT

Fumigation effects on herbicide persistence in the soil

Presenting Author: Annette Drayna – North Dakota State University

Author: Andrew P. Robinson – North Dakota State University

Extension, Production & Management

9:15 AM - 9:30 AM CDT

Effects of Pollen Energy Biostimulant on the Growth and Production of Potatoes

Presenting Author: Haoyang Lyu – OSU Hermiston Agriculture Research and Extension Center

Author: Ruijun Qin – OSU Hermiston Agriculture Research and Extension Center

Extension, Production & Management

9:30 AM - 9:45 AM CDT

Optimizing Seed Spacing for Enhanced Tuber Yield in Lakeview and Caribou Russet

Presenting Author: Lino I. Macamo – North Dakota State University

Author: Andrew P. Robinson – North Dakota State University

Extension, Production & Management

9:45 AM - 10:00 AM CDT

Improving potato irrigation efficiency with mobile drip irrigation, newer cultivars, and changes in cultural management practices.

Presenting Author: Jacob Meeuwsen – Washington State University

Author: Zachary J. Holden – Washington State University

Author: Mark J. Pavek – Washington State University

Extension, Production & Management

9:00 AM - 10:00 AM CDT
Concurrent Session: Plant Protection IV

9:00 AM - 10:00 AM CDT

Concurrent Session: Plant Protection IV

Location: Hall of Ideas EH

Moderator: Marcio Zaccaron – NDSU

Plant Protection

9:00 AM - 9:15 AM CDT

Response of russet-skinned potato cultivars to increasing soil populations of Verticillium dahliae

Presenting Author: Marcio Zaccaron – NDSU

Author: Fereshteh Shahoveisi – University of Maryland

Author: Neil Gudmestad – NDSU

Author: Julie S. Pasche, n/a – North Dakota State University

Plant Protection

9:15 AM - 9:30 AM CDT

Economics of early blight/brown spot management of potato in the semi-arid environment of southern Idaho

Presenting Author: Jeffrey S. Miller – Miller Research LLC

Author: Trent Taysom – Miller Research LLC

Author: Terry Miller – Miller Research LLC

Author: Cheryn Suarez – Miller Research LLC

Author: Scott Anderson – Miller Research LLC

Plant Protection

9:30 AM - 9:45 AM CDT

Who’s eating potato pests?

Presenting Author: Bonnie J. Ohler – Washington State University Extension

Author: Cesar Reyes Corral – Washington State University

Author: W. Rodney Cooper – USDA-ARS Temperate Tree Fruit and Vegetable Research Unit

Author: Timothy Waters – Washington State University Extension

Author: David Horton – USDA-ARS Temperate Tree Fruit and Vegetable Research Unit

Plant Protection

9:45 AM - 10:00 AM CDT

Abundance and insecticide resistance patterns of Colorado potato beetles in Wisconsin

Presenting Author: Sean D. Schoville – University of Wisconsin-Madison

Author: Nursultan Azhimuratov – University of Wisconsin-Madison

Author: Francisco Mandujano Reyes – University of Wisconsin-Madison

Author: Jun Zhu – University of Wisconsin-Madison

Author: Russell Groves – University of Wisconsin-Madison

Plant Protection

10:00 AM - 10:30 AM CDT
Break

10:00 AM - 10:30 AM CDT

Break

10:30 AM - 11:30 AM CDT
Concurrent Session: Breeding and Genetics VII

10:30 AM - 11:30 AM CDT

Concurrent Session: Breeding and Genetics VII

Location: Ballroom AB

Moderator: Mercedes Ames – University of Wisconsin Madison

Breeding & Genetics

10:30 AM - 10:45 AM CDT

Diploid Potato Breeding at USDA-ARS in Maine

Presenting Author: Paul J. Collins – USDA-ARS

Author: Ek Han Tan – University of Maine

Author: Noah Williams – University of Maine

Breeding & Genetics

10:45 AM - 11:00 AM CDT

Selection of Native Potato Genotypes under Variable Highland Conditions in Northern Peru

Author: Marly Guelac – Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas

Author: Mariela Lazaro – Universidad Nacional Agraria la Molina

Author: Rodomiro Ortiz – Swedish University of Agricultural Sciences

Presenting Author: Carlos I. Arbizu – Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas

Breeding & Genetics

11:00 AM - 11:15 AM CDT

In search of host/pathogen specificity in the late blight/potato interaction (Phytophthora infestans/Solanum sp) in the Toluca Valley, México.

Presenting Author: Héctor Lozoya – Universidad autónoma Chapingo

Author: Alfredo Lopez, N/A – Universidad autónoma Chapingo

Breeding & Genetics

11:15 AM - 11:30 AM CDT

Determining the Optimal Nitrogen Rate for New Chipping Potato Varieties in the Columbia Basin

Author: Ruijun Qin – OSU Hermiston Agriculture Research and Extension Center

Presenting Author: Haoyang Lyu – OSU Hermiston Agriculture Research and Extension Center

Author: Vidyasagar Sathuavlli – Oregon State University

Author: Brian Charlton – Klamath Basin Research & Extension Center/Oregon State University

Breeding & Genetics

10:30 AM - 11:30 AM CDT
Concurrent Session: Extension, Production, and Management VII

10:30 AM - 11:30 AM CDT

Concurrent Session: Extension, Production, and Management VII

Location: Hall of Ideas FI

Moderator: Shae Taylor – JR Simplot

Extension, Production & Management

10:30 AM - 10:45 AM CDT

Impacts of root-knot nematodes (Meloidogyne chitwoodi and M. hapla) on potato yield and quality in the Pacific Northwest

Presenting Author: Gabrielle Studebaker – Oregon State University

Author: Inga A. Zasada, Ph.D. – USDA

Author: Daniel I. Thompson – Oregon State University

Author: Vidyasagar Sathuavlli – Oregon State University

Extension, Production & Management

10:45 AM - 11:00 AM CDT

Physiological Aging Storage Treatments to Improve Tuber Set & Size Distribution in Russet Potatoes

Presenting Author: Olufunke Ogundiya – Washington State University

Author: Jacob Blauer – Washington State University

Extension, Production & Management

11:00 AM - 11:15 AM CDT

The effect of potato virus Y inoculation timing, virus strain, and cultivar on the development of mature plant resistance in potato

Presenting Author: Claire M. Schloemer – University of Wisconsin- Madison

Author: Scott Chapman – University of Wisconsin-Madison

Author: Ben Bradford – University of Wisconsin-Madison

Author: Russell Groves – University of Wisconsin-Madison

Extension, Production & Management

11:15 AM - 11:30 AM CDT

Advancing early disease detection with imaging spectroscopy: potato early blight as a case study

Presenting Author: Olee Hoi Ying Lam – University of Wisconsin-Madison

Author: Amanda J. Gevens – University of Wisconsin-Madison

Author: Stephen Jordan – University of Wisconsin-Madison

Author: Brendan Heberlein – University of Wisconsin-Madison

Author: W. Beckett Hills – University of Wisconsin-Madison

Author: Philip A. Townsend – University of Wisconsin-Madison

Extension, Production & Management

10:30 AM - 11:30 AM CDT
Concurrent Session: Plant Protection V

10:30 AM - 11:30 AM CDT

Concurrent Session: Plant Protection V

Location: Hall of Ideas EH

Moderator: John Onditi – ORISE

Plant Protection

10:30 AM - 10:45 AM CDT

Status of potato cyst nematodes (PCN) management in Africa

Presenting Author: John Onditi – USDA ARS, Aberdeen ID

Author: Jonathan Whitworth – USDA ARS, Aberdeen ID

Plant Protection

10:45 AM - 11:00 AM CDT

Exploring Oxford Nanopore technology to detect SDHI fungicide resistance in Alternaria solani populations through amplicon sequencing

Author: Sunil Shrestha, n/a – North Dakota State University

Author: Jatinder Singh, n/a – North Dakota State University

Author: Upinder S. Gill, PhD – North Dakota State University

Presenting Author: Julie S. Pasche, n/a – North Dakota State University

Plant Protection

11:00 AM - 11:15 AM CDT

Decoding pathogenic and beneficial Streptomyces: genetic characterization, pathogenicity assessment, and biocontrol opportunities

Presenting Author: Ashish Ranjan, Ph.D. – University of Minnesota

Author: Kriti Tyagi, Ph.D. – University of Minnesota - St Paul, MN

Author: Sonal Srivastava, Master – University of Minnesota

Author: Grace Petzold, B.Sc. – University of Minnesota - St Paul, MN

Plant Protection

11:15 AM - 11:30 AM CDT

PAPAS: Actionable Science Against Nematodes

Presenting Author: Cynthia Gleason, Ph.D. – Washington State University - Pullman, WA

Author: Louise-Marie Dandurand, Ph.D. – University of Idaho

Author: Inga A. Zasada, Ph.D. – USDA

Author: Joseph Kuhl, Ph.D. – University of Idaho

Author: Walter De Jong – Cornell University

Author: Philip Watson – University of Idaho

Plant Protection

11:30 AM - 12:30 PM CDT
Poster Take-Down

11:30 AM - 12:30 PM CDT

Poster Take-Down

Location: Ballroom C

11:30 AM - 1:00 PM CDT
Lunch on Your Own

11:30 AM - 1:00 PM CDT

Lunch on Your Own

1:00 PM - 3:00 PM CDT
PAA Member Business Meeting

1:00 PM - 3:00 PM CDT

PAA Member Business Meeting

Location: Hall G

3:00 PM - 5:00 PM CDT
Potato Research Advisory Committee (PRAC)

3:00 PM - 5:00 PM CDT

Potato Research Advisory Committee (PRAC)

Location: Hall of Ideas EH

6:30 PM - 10:00 PM CDT
PAA Awards Banquet

6:30 PM - 9:00 PM CDT

PAA Awards Banquet

Location: Ballroom AB