Dr. Tree Fruit and Don

Dr. Tree Fruit and Don

By Penn State ExtensionEducation
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Dr. Tree Fruit and Don episodes

  • Season 3 Episode 1: Post-Harvest Rots with Johanny Castro

    Kari and Don discuss post-harvest rot with Kari’s Ph.D. student Johanny Castro. Originally from Costa Rica, Johanny currently works with Kari to look at post-harvest rots and diseases in Pennsylvania’s packhouses.

    Don Seifrit (host)
    Kari Peter (host)
    Johanny Castro (speaker)

    Lead Image: J. Castro, Penn State

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    41 min
  • Season 2 Episode 11: End of Season Maintenance

    Kari, Greg, Rob, and Don discuss mole and vole control, insect control during late Fall/Winter (including an update on Lorsban (chlorpyrifos)), and some fungicidal techniques to improve the orchard before next season. 

    Greg also requests grower feedback about worm (codling moth/oriental fruit moth) problems in their orchards. The lead image photo is the strange Pink Lady that’s discussed in the middle of the episode.

    Don Seifrit (host)
    Kari Peter (speaker)
    Rob Crassweller (speaker)
    Greg Krawczyk (speaker)
    Lead Image: G. Krawczyk, Penn State

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    47 min
  • Season 2 Episode 10: Warm Fall Weather

    Don, Kari, Greg, and Rob are together again to discuss seasonal weather, coloration at harvest, stinging insects in fields, and late-season fungicide applications. Rob highlights an upcoming Penn State Extension event on October 27, 2021, Variety Showcase Field Day, about cultivar selections and tasting.

    Don Seifrit (host)
    Kari Peter (host/speaker) 
    Rob Crassweller (speaker)
    Greg Krawczyk (speaker)
    Dr. Long He (speaker)

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    37 min
  • Season 2 Episode 9: Post-Hurricane Harvest

    Don, Kari, Greg, and Rob confer about which cultivars are ripening around the state. Rob talks about paraquat application. Greg outlines some of the important end-of-season insect pests and management, and Kari discusses post-harvest rots and their management.

    Don Seifrit (host)
    Kari Peter (speaker)
    Rob Crassweller (speaker)
    Greg Krawczyk (speaker)
    Dr. Long He (speaker)

    Lead Image: K. Peter, Penn State

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    42 min
  • Season 2 Episode 8: Introducing Dr. Long He, Agriculture Engineer, Penn State—plus current concerns for the season

    Don, Kari, Greg, and Rob are joined for the first time by Dr. Long He, Penn State agriculture engineer. Dr. He describes his work and background and talks about future projects. Kari, Greg, and Rob also discuss current season concerns.

    Don Seifrit (host) 
    Kari Peter (speaker) 
    Rob Crassweller (speaker)
    Greg Krawczyk (speaker)
    Dr. Long He (speaker)
    Lead Image: K. Peter, Penn State

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    46 min
  • Season 2 Episode 7: Mid-Season Concerns and Weather Station Installation

    Don, Kari, Greg, and Rob talk about what growers should be keeping an eye on during mid-season development, including the end of periodical cicadas for 2021. They also discuss how one should go about finding a weather station to install on-farm. Special consideration is given to having a station with compatibility to the NEWA system from Cornell University: http://newa.cornell.edu/

    Episode Host/Speakers: Don Seifrit (host), Kari Peter (speaker), Rob Crassweller (speaker), Greg Krawczyk (speaker)

    Lead Image: 
    D. Seifrit, Penn State Extension

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    45 min
  • Season 2 Episode 6: Thinning Advice and an Insect Extravaganza

    Don, Kari, and Greg are joined by Dr. Jim Schupp (Penn State Fruit Research and Extension Center) for the first time. Dr. Schupp is a pomology professor, and he highlights some of the most important considerations for spring thinning. Greg talks about the complex entomology issues facing PA this spring, and Kari discusses the fire blight concerns facing orchardists.

    Episode Host/Speakers: 
    Don Seifrit (host) 
    Kari Peter (speaker) 
    Jim Schupp (speaker) 
    Greg Krawczyk (speaker)

    Lead Image: G. Krawczyk, Penn State University

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    41 min
  • Season 2 Episode 5: Fire Blight Warnings, Early Insect Pressure, and Bloom Damage

    Kari talks early season disease pressure, with importance placed on fire blight. Greg highlights the insect challenges facing growers over the next month (before a bigger report in 2-3 weeks), and Rob discusses frost/cold damage to blossoms.

    Don Seifrit (host), Kari Peter (speaker), Rob Crassweller (speaker), Greg Krawczyk (speaker)

    Lead Image: R. Crassweller, Penn State University

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    40 min
  • Season 2 Episode 4: Grafting and Early Season Scouting

    Kari and Don discuss grafting (especially scion wood collection) with Rob.
    Greg highlights early-season insect scouting, and everyone talks weather tracking for their respective fields.

    NEWA Weather Tracking Resources: http://newa.cornell.edu/

    Episode Host/Speakers: Don Seifrit (host), Kari Peter (speaker), Rob Crassweller (speaker), Greg Krawczyk (speaker)

    Lead Image: R. Crassweller, Penn State University

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    30 min
  • Season 2 Episode 3: Samurai Wasps and Parasitoids

    Kari and Don are joined by Dr. Hillary Peterson, a former student at the Penn State Fruit Research and Education Center in Biglerville. Hillary talks about her work on brown marmorated stink bug (BSMB) parasitoids, especially the samurai wasp (Trissolcus japonicus). 

    Episode Host/Speakers: Don Seifrit (host), Kari Peter (speaker), Hillary Peterson (speaker)

    Lead Image: E. Talamas, USDA-ARS

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    Flight Seasonalities of Main Fruit Pests During the Growing Season

    45 min

About Dr. Tree Fruit and Don

From the publisher's feed

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…