Evaluate the Distribution and Incidence of Post-harvest Rots on Chestnut Kernels

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 We are conducting a survey on post-harvest chestnut rots to better understand the spoilage pathogens affecting chestnut production. This project will investigate the incidence of fungal rots, evaluate the impact of sanitation treatments, and examine how different chestnut cultivars are affected by these molds. The results will provide crucial information for developing strategies to reduce economic losses due to post-harvest spoilage.

How You Can Help?

We are requesting chestnut samples from producers across the eastern U.S. 

 

Sample Requirements:

  • Minimum of 100 chestnuts per submission
  • We are accepting treated and non-treated nuts
  • Separate nuts by cultivar
  • Please include information on location, cultivar, and any post-harvest treatments used with the samples

 

Where to Send Samples:

C. Wayne Ellett Plant and Pest Diagnostic Clinic

1680 Madison Avenue

Wooster, OH,44691

 

Rot Assessment Details:

  • Samples will be processed at our USDA-APHIS certified Diagnostic Clinic in Wooster, OH.
  • Nuts will be visually inspected for post-harvest damage, including cracks, weevil infestation, and molds.
  • Molds will be cultured, characterized, and identified using DNA sequencing.

 

Diversity of post-harvest pathogens on chestnut kernels

Diversity of post-harvest pathogens cultured from symptomatic chestnut kernels

 

Your Contribution Matters:

This research aims to reduce chestnut spoilage and improve the shelf life of chestnuts across the industry. Results will be shared with producers at the 2025 NNGA Annual Meeting and published in a peer-reviewed journal.

 

Contact Information:

 

Dr. Francesca Rotondo                                                          Dr. Melanie Ivey

rotondo.11@osu.edu                                                             ivey.14@osu.edu

(330)-263-3721                                                                     (330)-263-3849