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Dr. Tree Fruit and Don

Dr. Tree Fruit and Don

De: Penn State Extension
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This podcast focuses on providing timely commercial tree fruit production advice for beginning industry professionals and seasoned growers. Educators from Penn State Extension and faculty from Penn State University’s horticulture, entomology, and plant pathology departments drop in to give insights and observations about what is going on in the orchards.© 2023 Dr. Tree Fruit and Don
Episodios
  • Season 7, Episode 5 - Fire Blight Threat During Bloom
    Apr 15 2026

    Don is joined by Kari, Shan, and Greg during this scorching hot April week to discuss fire blight infection periods, bloom thinning, and insect flights.

    Host: Don Seifrit
    Speakers: Kari Peter, Shan Kumar, Greg Krawczyk

    Photo Credit: Kari Peter, PSU

    Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.org

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

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    55 m
  • Season 7, Episode 4 - April Freeze
    Apr 7 2026

    Don is joined by Kari and Shan this week to discuss what happens what a spring freeze doesn’t just “nip” buds. Shan highlights what to do after the frost: how to sample across a block, cut buds to spot real freeze damage in the reproductive tissue.

    Kari gives an early fire blight heads-up as warm weather accelerates bloom, plus a smart “minimal spray program” mindset for blocks that lost fruit to winter injury.

    Frost Protection Strategies: https://extension.psu.edu/frost-critical-temperatures-and-frost-protection

    Critical Temperatures: https://extension.psu.edu/orchard-frost-critical-temperatures-for-various-fruits

    Host: Don Seifrit
    Speakers: Kari Peter, Shan Kumar

    Photo Credit: Faith Miller

    Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.org

    Make sure you sign up to get notified of future Extension events for tree fruit growers!
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    Flight Seasonalities of Main Fruit Pests During the Growing Season

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    32 m
  • Bonus Episode: SPARC Orchard Roundup Introductory Episode
    Apr 1 2026

    This bonus episode is to highlight another fruit podcast focused on horticulture/phenology/physiology topics from Extension professionals and researchers around the country. It's hosted by Don and includes personnel from Cornell, Michigan State, University of Maine, and Washington State. Go follow them on their feed!

    For more information, visit https://sparcscri.com/

    This work is/was supported by the USDA National Institute of Food and Agriculture - Specialty Crop Research Initiative project "Preparing U.S. Pome Fruit Production for Extreme Temperatures in a Changing Climate" (2024-51181-43289; Accession #1032988)

    Host: Don Seifrit

    Speakers: Emily Lavely, Mike Basedow, Renae Moran, Lee Kalcsits

    Music Credit: “Four Seasons - Spring Mvt1” by John Harrison with the Wichita State University Chamber Players is licensed under a Attribution Share-Alike 3.0 United States License. Courtesy of FreeMusicArchive.org

    Make sure you sign up to get notified of future Extension events for tree fruit growers!
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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    Más Menos
    15 m
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