Join us for an intensive workshop focused on fire blight management. We will share the latest fire blight research. Lecture and discussion. The workshop will be hybrid with in-person and virtual participation.

February 23, 2023
WENATCHEE, WA + Online
Confluence Technology Center
285 Technology Center Way
Wenatchee, WA

March 1, 2023
TRAVERSE CITY, MI + Online
NW Michigan Horticultural Research Center
6686 S Center Highway
Traverse City, MI

Fire Blight Traveling Teams and Webinars flier

Credits

February 23, 2023: 3 pesticide update credits WA, OR, MT

March 1, 2023: 3 pesticide update credits MI, NY

With agency approval.

Registration

February 23, 2023 (Washington) – https://fireblightworkshopwenatchee.eventbrite.com

March 1, 2023 (Michigan) – https://events.anr.msu.edu/Fireblight_SCRI/

Topics

• Introduction to the Pathogen
• Bloom Infection Prevention with Antibiotics: The Basics
• Antibiotic Resistance
• Biopesticide Efficacy
• Using Prohexodine Calcium and Actigard for Shoot Blight Management
• Managing Fire Blight Infections: Pruning, Sanitation
• Using Systemic Acquired Resistance Products Therapeutics During Removal

Agenda Washington – February 23, 2023

9:00 Welcome

9:15 am Introduction to the Pathogen
Aina Baro, WSU Extension
Where does fire blight come from? What moves the pathogen around? The infection cycle.

9:25 am Bloom Infection Prevention with Antibiotics: The Basics
Tianna DuPont, WSU
Efficacy and timing of streptomycin, kasugamycin, and oxytetracycline products.

9:40 am Survey

9:50 am Antibiotic Resistance
Frank Zhao, WSU
Co-authors Ken Johnson, OSU; Kerik Cox, Cornell; George Sundin, MSU
Current levels of antibiotic resistance by region of the United States.

10:05 am Biopesticide Efficacy and Use
Ken Johnson, OSU
Co-authors: Tianna DuPont, Aina Baro, WSU; George Sundin, MSU; Kerik Cox, Cornell; Jim Adaskaveg, UC Davis; Sara Villani, NCSU
Review of biopesticide product trials from SCRI and previous work.

10:40 am Discussion

11:00 am Break

11:15 am Tree Response to Actigard/Apogee and other Inducers
Sara Villani, NCSU
Co-authors: Tianna DuPont, Aina Baro, WSU; Kerik Cox, Cornell; Jim Adaskaveg, UC Davis; George Sundin, MSU; Xiaochen Yuan, Iowa State
Review of ProCa and ASM trials from SCRI and previous work.

11:45 am Discussion

12:15 pm Lunch

1:00 pm Managing Fire Blight Infections: Pruning, Sanitation
Tianna DuPont, WSU
Co-authors: Ken Johnson, OSU; Kerik Cox, Cornell; Kari Peters, PSU
Summary of 8 on-farm replicated trials.

1:30 pm Using Systemic Acquired Resistance Products Therapeutics During Removal
Ken Johnson, OSU

2:00 pm Erwinia amylovora survival in cankers: What do we know
Ricardo Delgado Santander, WSU

2:10 pm Discussion

2:30 pm Closing and Pesticide Credits

Agenda Michigan – March 1, 2023

9:00 am Introduction Fire Blight AND Bloom Infection Prevention with Antibiotics
Dr. George Sundin, Dept. of Plant, Soil, and Microbial Sciences, Michigan State University

9:45 am Biopesticide Efficacy and Use: Using Products that Work to Control Fire Blight
Dr. Kerik Cox, Plant Pathology and Plant-Microbe Biology Section, Cornell University

10:30 am Break

10:50 am Antibiotic Resistance
Dr. Frank Zhao, Plant Pathology, Endowed Chair in Bacterial Diseases of Tree Fruits, Washington State University

11:10 am Shoot Blight Management
Katherine Olive, Dept. of Plant, Soil, and Microbial Sciences, Michigan State University

11:40 am Managing Fire Blight Infections: Pruning, Sanitation
Dr. Kerik Cox, Plant Pathology and Plant-Microbe Biology Section, Cornell University

12:10 pm Lunch

1:00 pm Tree Response to Actigard/Apogee and other Inducers (Zoom?)
Dr. Xiaochen Yuan, Dept. of Plant, Soil, and Microbial Sciences, Michigan State University

1:20 pm Using Prohexadione Calcium and ASM for Shoot Blight Management
Dr. George Sundin, Dept. of Plant, Soil, and Microbial Sciences, Michigan State University

1:50 pm Discussion

2:30 pm Closing and Pesticide Credits

Contacts Washington

Aina Baro Sabe
aina.barosabe@wsu.edu
(509) 293-8792

Tianna DuPont
tianna.dupont@wsu.edu
(509) 293-8758

Contacts Michigan

Nikki Rothwell
rothwel3@msu.edu
(231) 946-1510

Funding

Thank you to funding support from the USDA National Institute of Food and Agriculture Specialty Crop Initiative.