Dr. Tree Fruit and Don

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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.

Penn State Extension


    • May 16, 2026 LATEST EPISODE
    • every other week NEW EPISODES
    • 32m AVG DURATION
    • 96 EPISODES


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    Latest episodes from Dr. Tree Fruit and Don

    Season 7, Episode 9 - Post Freeze Crop Load Decisions

    Play Episode Listen Later May 16, 2026 45:47 Transcription Available


    Kari and Shan highlight the important things to consider over the next few days as the crop load for this year stabilizes. We discuss potential thinning decisions as well as disease management. Host: Don SeifritSpeakers: Kari Peter, Shan KumarPhoto Credit: Lindsay Brown, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 7, Episode 8 - Early May Playbook

    Play Episode Listen Later May 11, 2026 36:02 Transcription Available


    From spray coverage and rain timing to making block by block calls, Kari, Greg, and Shan focus what to do this year to protect what's left and what to do to prepare for next year.Host: Don SeifritSpeakers: Kari Peter, Shan Kumar, Greg KrawczykPhoto Credit: Shan Kumar, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 7, Episode 7 - Tree Health Management

    Play Episode Listen Later Apr 30, 2026 50:30 Transcription Available


    A late April freeze might seem like a single bad night, but what we're seeing across Pennsylvania orchards is a season-long management puzzle. Kari, Shan, and Greg outline what's important in a challenging year.Host: Don SeifritSpeakers: Kari Peter, Shan Kumar, Greg KrawczykPhoto Credit: Lindsay Brown, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 7, Episode 6 - Spring Chaos

    Play Episode Listen Later Apr 23, 2026 52:56 Transcription Available


    Don, Kari, Greg, and Shan walk through the overnight freeze and the chain reaction it triggers across fruit set, disease risk, and insect timing in our  orchards. We share what to scout first, what to spray only when it makes sense, and how to protect pollinators while the weather keeps changing.Host: Don SeifritSpeakers: Kari Peter, Shan Kumar, Greg KrawczykPhoto Credit: Sara Serra, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 7, Episode 5 - Fire Blight Threat During Bloom

    Play Episode Listen Later Apr 15, 2026 55:24 Transcription Available


    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 SeifritSpeakers: Kari Peter, Shan Kumar, Greg KrawczykPhoto Credit: Kari Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 7, Episode 4 - April Freeze

    Play Episode Listen Later Apr 7, 2026 32:02 Transcription Available


    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-protectionCritical Temperatures: https://extension.psu.edu/orchard-frost-critical-temperatures-for-various-fruitsHost: Don SeifritSpeakers: Kari Peter, Shan KumarPhoto Credit: Faith MillerMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Bonus Episode: SPARC Orchard Roundup Introductory Episode

    Play Episode Listen Later Apr 1, 2026 14:34 Transcription Available


    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 SeifritSpeakers: Emily Lavely, Mike Basedow, Renae Moran, Lee KalcsitsMusic 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.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 7, Episode 3: Green Tip Game Plan

    Play Episode Listen Later Apr 1, 2026 36:02 Transcription Available


    Don, Kari, Shan, and Greg highlight the very first stages of spring as green tip begins to emerge around the state in apples.Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 7, Episode 2 - End of Winter Wins

    Play Episode Listen Later Mar 6, 2026 29:25 Transcription Available


    Don, Kari, Greg, and Shan dig into stone fruit losses and disease timing as a warm spell pushes early peaches toward bud swell. We outline what early scouting actually tells you and how to get ready for oriental fruit moth and codling moth.If this helped sharpen your spring plan, follow the show, share it with a grower who needs timely cues, and leave a quick review so more orchards can find us.Soil Fumigation: https://extension.psu.edu/fumigation-and-other-strategies-to-control-soil-pestsHeat School: https://sparcscri.com/event/wsu-tree-fruit-heat-school/Photo Credit: Don Seifrit, Penn StateMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 7, Episode 1 - Introducing Dr. Sara Serra

    Play Episode Listen Later Jan 23, 2026 49:25 Transcription Available


    We welcome our new pomologist, Dr. Sara Serra, and dig into how pruning, harvest timing, and vision tech can raise fruit quality across apples, pears and peaches. The Mid-Atlantic Fruit and Vegetable Convention begins Jan 27. Registration available on site. Winter Fruit Schools run Feb 10–19 across regions.Photo Credit: Dr. Rob Crassweller, Penn StateMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 19: How Growers Beat Rain, Rot, And Risk For A Strong Apple Year

    Play Episode Listen Later Nov 20, 2025 60:41


    Don, Kari, Shan, and Greg unpack the season's rollercoaster: a soggy May that drove scab, rust, and bitter rot risk, followed by a dry, color‑rich harvest window. We lay out infection windows, what worked for Honeycrisp, why alternate row coverage backfired, and how to prep smarter for next season.Photo Credit: Lindsay Brown, Penn StateMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 18 - Dry Fall, Fast Maturity

    Play Episode Listen Later Oct 3, 2025 28:57 Transcription Available


    Kari, Greg, Shan and Don share a fast, practical harvest update focusing on EverCrisp and Fuji maturing ahead of color and what that means for storage. We also cover late pest pressure, storage rot prevention, and label uncertainty.Photo Credit: Lindsay Brown, Penn StateMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 17 - August Harvest Overview

    Play Episode Listen Later Aug 22, 2025 45:04


    Don, Kari, Shan and Greg highlight disease and insect pressure to watch out for during a critical period to harvest some important Pennsylvania varieties. Keep an eye out for Shan and the crew's harvest maturity assessments weekly on Tuesdays.Photo Credit: Lindsay Brown, Penn StateMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 16 - Harvest Coverage Reminders

    Play Episode Listen Later Aug 8, 2025 37:47


    Don, Kari, Shan and Greg talk about important reminders for the upcoming harvest, including spray coverage throughout the end of the season.Photo Credit: Lindsay Brown, Penn StateMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 15 - Last One Before the Maturity Assessments Start

    Play Episode Listen Later Jul 26, 2025 41:55


    Kari, Don, Shan and Greg go over the important things to note for the end of July. This includes insect pressure, the last bit of disease sprays before harvest, and testing for plant nutrition.Photo Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 14 - July Timing for Sprays

    Play Episode Listen Later Jul 10, 2025 40:28


    Kari, Don, Greg and Shan go over what's critical in this heat regarding pesticides, coverage, and tree nutrition.Photo Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 13 - Last One Before Field Day

    Play Episode Listen Later Jun 23, 2025 36:15


    Kari, Don, Greg and Shan discuss what to do in the current heat wave just before the FREC Field Day. Keep an eye out for fungicide resistance!Fungicide Resistance Tables: https://extension.psu.edu/spraying-by-the-numbers-fungicide-resistance-management-tables-for-tree-fruit-diseasesPhoto Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 12 - Start of June Update

    Play Episode Listen Later Jun 6, 2025 33:05


    Don, Kari and Greg discuss what to keep an eye out for with a hot June on the horizon.PSU FREC Field Day: https://extension.psu.edu/penn-state-fruit-research-and-extension-center-field-dayPhoto Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 11 - Rain, Rain, Rain

    Play Episode Listen Later May 22, 2025 35:54


    Kari, Don, Greg, and Shan discuss the end of the Spring season and what to do when the weather doesn't seem to want to cooperate. Topics include the end of the thinning window, fungicide coverage, and insect life cycles.FREC Field Day: https://extension.psu.edu/penn-state-fruit-research-and-extension-center-field-dayPhoto Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 10 - Critical Timing

    Play Episode Listen Later May 14, 2025 51:57


    Kari, Don, Shan and Greg meet up to discuss the large (and timely) volume of work headed down the pipe.FREC Field Day: https://extension.psu.edu/penn-state-fruit-research-and-extension-center-field-dayPhoto Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 9 - Spring Fling '25

    Play Episode Listen Later May 8, 2025 36:07


    Kari, Don, Greg and Shan discuss the MANY items coming down the pipeline within the next few days.FREC Field Day: https://extension.psu.edu/penn-state-fruit-research-and-extension-center-field-dayPhoto Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 8 - Windy Days, Disease Pressure and Post-Bloom Sprays

    Play Episode Listen Later May 1, 2025 45:09


    Kari, Greg, Shan and Don discuss the wild weather that we've experienced early this season and the importance of disease, insect and blossom management.Photo Credit: E. WinzlerMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 7 - Blooms, Blights, and Bugs

    Play Episode Listen Later Apr 25, 2025 50:42


    Kari and Don and joined yet again by Shan and Greg to provide the full spectrum of updates for the early season.PS Extension Spring Orchard Meetings: https://extension.psu.edu/spring-orchard-meetingsHosts: Don Seifrit, Kari PeterSpeakers: Shan Kumar, Greg KrawczykPhoto Credit: K. Peter, PSU ExtensionMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 6 - Damage to Blossoms and Disease Pressure

    Play Episode Listen Later Apr 18, 2025 35:36


    Kari and Don are joined by Shan and Greg. Shan gives a phenology update from around the state, as well as highlights areas where some blossom damage occurred. Kari mentions several upcoming infection periods, and Greg highlights things to keep an eye out for as the weather looks like it will finally warm up consistently.NEWA Website: https://www.newa.cornell.edu/Hosts: Don Seifrit, Kari PeterSpeakers: Shan Kumar, Greg KrawczykPhoto Credit: D. Weber, PSU ExtensionMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 5 - Cold Weather Warnings

    Play Episode Listen Later Apr 8, 2025 54:46


    Kari and Don are joined by Shan and Greg. Kari and Shan outline some cold weather concerns for the next 24 hours, and Greg highlights the importance of good weather data for insecticide application timing.NEWA Website: https://www.newa.cornell.edu/Hosts: Don Seifrit, Kari PeterSpeakers: Shan Kumar, Greg KrawczykPhoto Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 4 - State Horticultural Association Job Posting

    Play Episode Listen Later Apr 3, 2025 15:05


    Kari has a disease update, and then she and Don are joined by Sarah Zost from the State Horticultural Association of PA. SHAP is looking for a new Executive Secretary. Job posting will be listed below when available. Since Sarah is a local fruit grower, Kari and Don do a Grower Q&A.Hosts: Don Seifrit, Kari PeterPhoto Credit: K. Peter, PSUMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 3 - Fruit Bite! Apple Scab Alert

    Play Episode Listen Later Mar 31, 2025 9:08


    Kari provides a lightning fast update for the upcoming infection period starting the week of March 31, 2025.Hosts: Don Seifrit, Kari PeterPhoto Credit: K. Peter, PSUMusic 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! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 2 - Very Early Season Update

    Play Episode Listen Later Mar 19, 2025 10:47


    Don and Kari return for a pre-season update and discuss the plan for the upcoming season of the podcast. Regular podcasts will be returning shortly!Hosts: Don Seifrit, Kari PeterMusic 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! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 6, Episode 1 - Introducing SPARC and Early Season Maintenance

    Play Episode Listen Later Feb 3, 2025 20:15


    Shan and Don introduce Dr. Lee Kalcsits from Washington State University. Dr. Kalcsits is project head for SPARC: Strengthening Pear and Apple Resilience to Climate. He outlines what that grant will focus on over the next several years. Additionally, Don and Kari talk early season orchard maintenance as a follow-up to last season.If you'd like to help research, please take the survey for SPARC: English - https://wsu.co1.qualtrics.com/jfe/form/SV_eyfLFPQZ3dHutUiSpanish - https://wsu.co1.qualtrics.com/jfe/form/SV_8q21anBgzuBmlamHosts: Don Seifrit, Kari PeterSpeakers: Shan Kumar, Lee KalcsitsMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.org 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)Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 15 - End of Season Orchard Maintenance

    Play Episode Listen Later Oct 9, 2024 22:50


    Don is joined by Kari and Shan in this week's episode. Kari highlights the importance of good orchard maintenance to help reduce disease pressure in the upcoming year, and Shan highlights some of the ways to manage Fall weeds.Mancozeb Comments Article: https://extension.psu.edu/fruit-times-alert-epa-soliciting-mancozeb-comments Cultivating Business Conference Sign-Up: https://extension.psu.edu/cultivating-business-conferenceHost: Don SeifritSpeakers: Kari Peter, Shan Kumar 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! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 14 - And We're Back!

    Play Episode Listen Later Sep 19, 2024 32:04


    Don is joined by Kari and Shan after a long absence. Kari provides an EPA update and a reminder about end of season sprays. Shan gives a brief overview of the season so far.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! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 13: Time to Take Some Samples

    Play Episode Listen Later Jun 14, 2024 46:45


    Don is joined by Kari, Greg and Shan this week to discuss pathology, entomology and horticulture updates. Kari highlights the importance of grower feedback for the current round of EPA public comments regarding ziram, thiram and ferbam. Greg mentions the potential for Japanese beetle damage. And Shan highlights the importance of taking leaf and soil samples at this time of the season.Links to the ag testing lab and Kari's update about the EPA are below.EPA Public Comment fact sheet: https://extension.psu.edu/environmental-protection-agency-mitigation-proposal-update-ziram-thiram-ferbamPenn State Ag Analytical Services Lab: https://agsci.psu.edu/aaslMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 12 - Pathology Professional Puts Down Partial Programs

    Play Episode Listen Later Jun 2, 2024 66:04


    Don is joined by Kari, Greg and Shan to talk pathology, entomology and horticulture. Kari gets riled up about half sprays and what that means for disease management.Episode Host/Speakers: Don Seifrit (host), Kari Peter (speaker), Greg Krawczyk (speaker), Shan Kumar (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.org Lead Image: Image Credit – D. Seifrit, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 11 - Final Thinning Window

    Play Episode Listen Later May 21, 2024 57:26


    Episode 11 – Final Thinning WindowDescription: Don, Shan, Greg and Kari talk the spring updates after the Spring Orchard Meetings. Shan talks final thinning chances, and Greg and Kari highlight how NEWA helps ensure a good IPM program.NEWA Website: https://www.newa.cornell.edu/NEWA State Coordinators: https://www.newa.cornell.edu/partnersEpisode Host/Speakers: Kari Peter (host), Shan Kumar (speaker), Greg Krawczyk (speaker) Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.org Lead Image: Image Credit – D. Seifrit, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 10: Thinning Windows

    Play Episode Listen Later May 14, 2024 57:20


    Don returns with Kari, Greg and Shan. Shan highlights the importance of thinning timing over the next few days, and Kari and Greg provide pathology and entomology updates.Bacterial Spot info: https://plant-pest-advisory.rutgers.edu/copper-bactericides-for-peach-bacterial-spot-management/Episode Host/Speakers: Don Seifrit (host), Kari Peter (speaker), Greg Krawczyk (speaker), Shan Kumar (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.org Lead Image: Image Credit – D. Seifrit, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 9: May Orchard Update

    Play Episode Listen Later May 7, 2024 61:16


    Kari hosts for another week with guests, Dr. Greg Krawczyk and Dr. Shan Kumar. Shan provides an update on thinning (very time sensitive!), and Kari and Greg provide lengthy run-downs of all the potential problems in their respective specialties.Episode Host/Speakers: Kari Peter (host), Greg Krawczyk (speaker), Shan Kumar (speaker)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! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 8: Big Spring Decisions

    Play Episode Listen Later Apr 25, 2024 44:56


    Kari, Shan and Greg discuss the importance of the next few days with thinning, infection events, and insect management all coming in at once. Also, Spring Orchard Meetings are available for registration at the following link: https://extension.psu.edu/spring-orchard-meetingsEpisode Host/Speakers: Kari Peter (host), Shan Kumar (speaker), Greg Krawczyk (speaker) Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.org Lead Image: Image Credit – D. Seifrit, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 7: Disease, Insects and Thinning During Bloom

    Play Episode Listen Later Apr 18, 2024 25:05


    Kari hosts without Don and has Drs. Shan Kumar and Greg Krawczyk on. The three specialists highlight things that growers need to be thinking about as Spring rapidly progresses. Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5, Episode 6: Fire Blight Emergency - 4.15.2024

    Play Episode Listen Later Apr 15, 2024 17:21


    Kari and Don fire off a quick fire blight infection update. Plus some information on apple scab and blossom blight dangers in the next few days. Spring Orchard Meetings: https://extension.psu.edu/spring-orchard-meetings  Grafting Workshop: https://extension.psu.edu/top-working-apple-trees-a-grafting-workshop  Episode Host/Speakers: Don Seifrit (host), Kari Peter (speaker) Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under a Attribution 3.0 United States License. Courtesy of FreeMusicArchive.org Lead Image: Image Credit – D. Seifrit, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5 Episode 5: Spring Pathology and Entomology Update

    Play Episode Listen Later Apr 11, 2024 27:16


    Kari and Don are joined once again by Greg. They highlight the pitfalls of the upcoming week, with the increasingly warm (and wet!) weather.Spring Orchard Meetings: https://extension.psu.edu/spring-orchard-meetings Grafting Workshop: https://extension.psu.edu/top-working-apple-trees-a-grafting-workshopPollinator Workshop: Call 717-334-6271 or email aes186@psu.edu to registerFlight Seasonalities of Main Fruit Pests During the Growing SeasonDon Seifrit (host) Kari Peter (speaker) Greg Krawczyk (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgLead Image: Image Credit – D. Seifrit, Penn StateImage: Don Seifrit, Penn StateMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing Season

    Season 5 Episode 4: Rapid Spring Changes

    Play Episode Listen Later Mar 29, 2024 36:15


    Kari and Don are joined for the first time this year by Dr. Greg Krawczyk to give an update on chlorpyrifos and a Spring insect update. Kari makes a slight adjustment to her recommendations from the last episode.Don Seifrit (host) Kari Peter (speaker) Greg Krawczyk (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgImage: Kari Peter, Penn StateMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up

    Season 5 Episode 3: Holding Patterns

    Play Episode Listen Later Mar 26, 2024 9:10


    Kari and Don talk about what to do when the weather doesn't cooperate with your plans for spraying. Orchard Critical Frost TemperaturesDon Seifrit (host), Kari Peter (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgLead Image: Photo courtesy kie-ker on Pixabay.comMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up

    Season 5 Episode 2: What Low Temperatures Might Mean for Orchards

    Play Episode Listen Later Mar 19, 2024 13:30


    Kari and Don highlight some early-season sprays and discuss what the week's low temperatures might mean for orchards.Article: Orchard Critical Frost TemperaturesEpisode Host/Speakers: Don Seifrit (host), Kari Peter (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgLead Image: Courtesy of Penn State ExtensionMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up

    Season 5 Episode 1: Introducing Dr. Shan Kumar!

    Play Episode Listen Later Feb 7, 2024 23:08


    Kari and Don jump back into the podcast with the new Professor of Horticulture at Penn State, Dr. Shan Kumar! Shan outlines his past work and future research interests. Additionally, he provides a winter update for horticultural practices to keep in mind. Kari provides a mid-winter sanitation update. Winter Fruit Schools and the new Tree Fruit Production Guide are on sale now!2024 Winter Tree Fruit Meetings2024 Tree Fruit Production GuideEpisode Host/Speakers: Don Seifrit (host)Kari Peter (speaker)Shanthanu Kumar (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgLead Image: Penn State ExtensionHerbicide Resistance Surveillance Program: Join Us in Combating Resistant Weeds!The Applied Weed Physiology Lab at Penn State University invites you to participate in our Herbicide Resistance Surveillance Program. We need your help in identifying suspected herbicide-resistant weeds in your fields. Find Out More!Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing SeasonWeekly update information on trap counts for Codling Moth, Obliquebanded Leafroller, Oriental Fruit Moth, Redbanded Leafroller, Spotted Tentiform Leafminer, and Tufted Apple Bud Moth during the 2023 growing season.

    Season 4 Episode 20: Program Update from Dr. Macarena Farcuh

    Play Episode Listen Later Nov 16, 2023 25:16


    Kari and Don check back in with Dr. Macarena Farcuh at the University of Maryland. Dr. Farcuh has a very active post-harvest lab, and she describes several of the research projects she has worked on since she began at the university. Dr. Farcuh's lab has a very active web presence, and you can connect with her work at the links below.Fruit Pulse Newsletter sign-upYouTube ChannelInstagramBlog de Extension en Español LinkEpisode Host/Speakers: Don Seifrit, Kari Peter (hosts)Dr. Macarena Farcuh, Assistant Professor, University of Marylandhttps://agnr.umd.edu/about/directory/macarena-farcuhLead Image: J. Schupp, Penn StateMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgHerbicide Resistance Surveillance Program: Join Us in Combating Resistant Weeds!The Applied Weed Physiology Lab at Penn State University invites you to participate in our Herbicide Resistance Surveillance Program. We need your help in identifying suspected herbicide-resistant weeds in your fields. Find Out More!Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing SeasonWeekly update information on trap counts for Codling Moth, Obliquebanded Leafroller, Oriental Fruit Moth, Redbanded Leafroller, Spotted Tentiform Leafminer, and Tufted Apple Bud Moth during the 2023 growing season.

    Season 4 Episode 19: Pre-Post-Harvest Care

    Play Episode Listen Later Aug 16, 2023 33:52


    Kari, Greg, and Don talk about pre-harvest applications to control post-harvest rots and late-season insect pests.Don Seifrit (host)Kari Peter (speaker)Greg Krawczyk (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgImage credit: K. Peter, Penn StateHerbicide Resistance Surveillance Program: Join Us in Combating Resistant Weeds!The Applied Weed Physiology Lab at Penn State University invites you to participate in our Herbicide Resistance Surveillance Program. We need your help in identifying suspected herbicide-resistant weeds in your fields. Find Out More!Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing SeasonWeekly update information on trap counts for Codling Moth, Obliquebanded Leafroller, Oriental Fruit Moth, Redbanded Leafroller, Spotted Tentiform Leafminer, and Tufted Apple Bud Moth during the 2023 growing season.

    Season 4 Episode 18: Fruit Bites—Leaf Analyses and Plant Disease

    Play Episode Listen Later Jul 14, 2023 28:19


    Jim Schupp highlights the importance of leaf analysis for orchard nutrition, and Kari highlights mid-season disease pressures. Spraying by the Numbers (link below) is discussed in-depth during Kari's update.Spraying by the NumbersDon Seifrit (host)Kari Peter (speaker)Greg Krawczyk (speaker)Photo credit: K. Peter, Penn StateMusic Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing SeasonWeekly update information on trap counts for Codling Moth, Obliquebanded Leafroller, Oriental Fruit Moth, Redbanded Leafroller, Spotted Tentiform Leafminer, and Tufted Apple Bud Moth during the 2023 growing season.

    Season 4 Episode 17: Why It's Important to Enunciate

    Play Episode Listen Later Jul 7, 2023 34:05


    Kari, Greg, and Don highlight some mid-season issues to be aware of, and Kari clarifies “wetting hours” versus “wedding hours.” Don Seifrit (host)Kari Peter (speaker)Greg Krawczyk (speaker)Music Credit: “The Raven and the Swan” by Josh Woodward is licensed under an Attribution 3.0 United States License. Courtesy of FreeMusicArchive.orgPhoto: K. Peter, Penn StateMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing SeasonWeekly update information on trap counts for Codling Moth, Obliquebanded Leafroller, Oriental Fruit Moth, Redbanded Leafroller, Spotted Tentiform Leafminer, and Tufted Apple Bud Moth during the 2023 growing season.

    Season 4 Episode 16: Wacky Weather!

    Play Episode Listen Later Jun 26, 2023 47:36


    Kari, Greg, and Don discuss changes in insect and disease pressure due to the rapidly changing weather conditions. Additionally, Dr. Daniel Weber has a brief additional segment highlighting the multi-state Virtual Meetups.Virtual meetups can be joined at: bit.ly/2023-virtual-meetupDon Seifrit (host)Kari Peter (speaker)Greg Krawczyk (speaker)Daniel Weber (speaker)Lead Image: K. Peter, Penn StateMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing SeasonWeekly update information on trap counts for Codling Moth, Obliquebanded Leafroller, Oriental Fruit Moth, Redbanded Leafroller, Spotted Tentiform Leafminer, and Tufted Apple Bud Moth during the 2023 growing season.

    Season 4 Episode 15: Fruit Bites 6/15/23—Mid-June Challenges

    Play Episode Listen Later Jun 15, 2023 33:07


    Kari, Greg, and Don discuss unexpected difficulties in mid-June. High (low?) lights include brown marmorated stink bug, hail damage, and bitter rot.Kari's update start:  0:53Greg's update start:  16:48Don Seifrit (host)Kari Peter (speaker)Greg Krawczyk (speaker)Lead Image: Brown marmorated stink bug adults. Photo: G. Krawczyk, Penn StateMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing SeasonWeekly update information on trap counts for Codling Moth, Obliquebanded Leafroller, Oriental Fruit Moth, Redbanded Leafroller, Spotted Tentiform Leafminer, and Tufted Apple Bud Moth during the 2023 growing season.

    Season 4 Episode 14: Fruit Bites—Emergency Thinning Advice

    Play Episode Listen Later Jun 2, 2023 39:48


    Kari, Don, Greg, and Jim talk about strange early-season weather. Jim provides advice for late and emergency thinning procedures. Kari and Greg highlight the current concerns in their specialties.Don Seifrit (host)Kari Peter (speaker)Greg Krawczyk (speaker)Jim Schupp (speaker)Lead Image: Edwin Winzeler, Penn StateMake sure you sign up to get notified of future Extension events for tree fruit growers! Sign UpFlight Seasonalities of Main Fruit Pests During the Growing SeasonWeekly update information on trap counts for Codling Moth, Obliquebanded Leafroller, Oriental Fruit Moth, Redbanded Leafroller, Spotted Tentiform Leafminer, and Tufted Apple Bud Moth during the 2023 growing season.

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