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


    • Jun 6, 2025 LATEST EPISODE
    • every other week NEW EPISODES
    • 30m AVG DURATION
    • 79 EPISODES


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    Latest episodes from Dr. Tree Fruit and Don

    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.

    Season 4 Episode 13: Fruit Bites—Big Pathology Update!

    Play Episode Listen Later May 23, 2023 29:09


    Kari and Don record an in-person episode! Kari has a hefty pathology update, with special attention to fire blight. Scout your fields!Episode speakers:Don Seifrit  Kari Peter Lead photo: K. Peter, Penn StateSpecial Notice:Bilingual Pesticide Labeling Webinar The EPA has announced a public webinar/forum to discuss upcoming changes regarding pesticide label availability and accessibility to non-English speaking farm workers on Thursday, June 15, 2023, from 5:00 p.m. to 7:00 p.m. The goal is to obtain input from the public on ways to make bilingual pesticide labeling accessible to farmworkers as required by the Pesticide Registration Improvement Act of 2022 (PRIA 5). This is a free event.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 12: Growing Degree Days

    Play Episode Listen Later May 15, 2023 26:23


    Kari and Don talk about a slowed-down Spring with Greg and highlight previous updates from the specialists depending on the geographic region listeners are in. Greg discusses how to calculate growing degree days for (more) accurate predictions of insect activity. Scout your fields!Don Seifrit (host)Kari Peter (host)Greg Krawczyk (speaker)Image:  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 11: Fruit Bites—March in May?

    Play Episode Listen Later May 5, 2023 28:46


    Kari and Don are joined again by Drs. Greg Krawczyk and Jim Schupp. Jim highlights more information about thinning as the weather (hopefully) improves, and Greg talks about what to expect in insect development. Kari discusses several of the diseases to keep an eye out for over the next week.Don Seifrit (host)Kari Peter (host)Greg Krawczyk (speaker)Jim Schupp (speaker)Image: 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 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 10: Fruit Bites—Cold Weather Thinning and IPM

    Play Episode Listen Later May 1, 2023 27:20


    Kari and Don are joined again by Drs. Greg Krawczyk and Jim Schupp. Jim and Greg highlight how the cold weather affects their specialties, and Kari shifts gears into apple scab and Marsonnina blotch management.Don Seifrit (host)Kari Peter (host)Greg Krawczyk (speaker)Jim Schupp (speaker)Photo: 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 9: Fruit Bites—And...It's Cold Again

    Play Episode Listen Later Apr 25, 2023 28:20


    Kari and Don discuss fire blight and Marsonnina blight risk in orchards, give an update (and a correction) from Dr. Krawczyk, and highlight upcoming Penn State Extension programming.Hosts:Don SeifritKari Peter   To register for the Spring Orchard Meeting near you, visit:https://extension.psu.edu/spring-orchard-meetingsPhoto: Greg 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 8: Fruit Bites—Hot April Weather

    Play Episode Listen Later Apr 19, 2023 20:29


    Kari and Don discuss summer in April with a lookout for fire blight and other diseases.Don Seifrit (host)Kari Peter  (host) Lead Image: K. ImhoffMake 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 7: Fruit Bites—Fire Blight Watch

    Play Episode Listen Later Apr 11, 2023 15:25


    Kari and Don highlight some early-season concerns after a cold weekend that is leading into a hot week.Hosts:Don SeifritKari Peter  Lead Image:  D. 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 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 6: Fruit Bites—Early April Disease Management

    Play Episode Listen Later Apr 5, 2023 9:19


    The first Fruit Bite of the growing season! Kari and Don highlight some early-season disease management with an apple scab infection period on the horizon.Speakers: Don Seifrit and Kari PeterPhoto Credit: Dr. K. Peter, 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 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 5: Post-Harvest Rot Series – Mycotoxins: Patulin

    Play Episode Listen Later Mar 27, 2023 18:34


    Kari and Don speak with Dr. Holly Bartholomew from the USDA-ARS. Holly outlines her research on patulin, what mycotoxins are, and why management is important.Don Seifrit (host), Kari Peter (speaker)Holly Bartholomew (speaker)Lead Image: Kari 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 4: Post-Harvest Rot Series—Bin Sanitation Research

    Play Episode Listen Later Mar 21, 2023 23:28


    Kari and Don are joined again by Dr. Jurick, USDA, and Dr. Dianiris Luciano-Rosario from the University Of Wisconsin. Dianiris highlights her work on bin sanitation from mold spores and the differences in sanitation between wooden and plastic bins.Hosts: Don Seifrit and Kari PeterWayne Jurick (speaker), Dianiris Luciano-Rosario (speaker)Penicillium expansum: biology, omics, and management tools for a global postharvest pathogen causing blue mould of pome fruitLead Image: Kari 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 3: Post-Harvest Rot Series—USDA Blue Mold Basic Research

    Play Episode Listen Later Mar 8, 2023 16:33


    Kari and Don are joined once again by Dr. Jurick as he discusses basic research and the research focus of his laboratory and provides insight into the next few episodes. Episode Host/Speakers: Don Seifrit (host)Kari Peter (speaker)Wayne Jurick (speaker)Photo Credit: Kari 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 2: Post-Harvest Rot Series—Rot Spores and Where to Find Them

    Play Episode Listen Later Feb 28, 2023 48:25


    In this first full-length episode of Season 4, Kari and Don welcome back Johanny Castro with information about his continued work over the past year. Additionally, Dr. Wayne Jurick from the USDA joins the conversation. Dr. Jurick and his lab will be special guests over the next few weeks as we dive deeper into the topic of post-harvest rots.Don Seifrit (host)Kari Peter (speaker)Johanny Castro (speaker)Wayne Jurick (speaker)https://www.ars.usda.gov/people-locations/person/?person-id=44968Lead Image: Kari 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 1: Fruit Bite for 2-7-2023

    Play Episode Listen Later Feb 8, 2023 19:21


    In the first episode of season 4, Kari and Don highlight canker management during winter pruning and highlight some potential upcoming episodes.Don Seifrit (host)Kari Peter (speaker)  Lead Image: Dr. Gary Moorman, Penn State (retired)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.

    Fruit Bites 9: 10-18-2022 End of Season Tips and Reminders

    Play Episode Listen Later Oct 25, 2022 16:31


    In this 9th Fruit Bite, Don and Kari discuss Fall/Winter weed control, some end-of-season disease management, and year-end weather station maintenance.Don Seifrit (host) Kari Peter (speaker)  Image courtesy of SeagullNady on Pixabay.com

    Fruit Bites 8: 8.26.2022, Pre-Harvest and Post-Harvest

    Play Episode Listen Later Aug 29, 2022 10:50


    In this 8th Fruit Bite, Kari and Don discuss pre-harvest treatments for insects, disease, and post-harvest rot coverage and control. Don Seifrit (host)Kari Peter (speaker)  Lead Image: J. Castro, Penn State

    Fruit Bite 7: 7-13-2022, Mid-July Issues

    Play Episode Listen Later Jul 14, 2022 14:07


    In this 7th Fruit Bite, Kari and Don highlight the timing for leaf analysis, aphid control, and early harvest stone fruit disease control. If someone is interested in doing soil or leaf analysis, here is a link to the Penn State analytical services laboratory: https://agsci.psu.edu/aasl Don Seifrit (host)Kari Peter (speaker)  Lead Image: K. Peter, Penn State

    Season 3 Episode 4: All About Bitter Rot

    Play Episode Listen Later Jul 8, 2022 51:16


    Dr. Peter and Don interview Dr. Phillip Martin, a former Ph.D. student of Kari's, who performed his work on bitter rot. Phillip tells us all about the fungal cause of the disease and management techniques.Don Seifrit (host)Kari Peter (host) Dr. Phillip Martin (guest)Lead Image: Dr. Kari Peter, Penn State University

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