
Dr. Tree Fruit and Don
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.
Episodes
74 episodes
Season 6, Episode 7 - Blooms, Blights, and Bugs
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 Peter<...
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Season 6
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Episode 7
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50:42

Season 6, Episode 6 - Damage to Blossoms and Disease Pressure
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 ...
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Season 6
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Episode 6
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35:36

Season 6, Episode 5 - Cold Weather Warnings
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.c...
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Season 6
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Episode 5
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54:46

Season 6, Episode 4 - State Horticultural Association Job Posting
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 frui...
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Season 6
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Episode 4
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15:05

Season 6, Episode 3 - Fruit Bite! Apple Scab Alert
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 li...
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Season 6
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Episode 3
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9:08

Season 6, Episode 2 - Very Early Season Update
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 Woodw...
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Season 6
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Episode 2
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10:47

Season 6, Episode 1 - Introducing SPARC and Early Season Maintenance
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. Additio...
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Season 6
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Episode 1
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20:15

Season 5, Episode 15 - End of Season Orchard Maintenance
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 C...
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Season 5
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Episode 15
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22:50

Season 5, Episode 14 - And We're Back!
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 lice...
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Season 5
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Episode 14
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32:04

Season 5, Episode 13: Time to Take Some Samples
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 me...
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Season 5
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Episode 13
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46:45

Season 5, Episode 12 - Pathology Professional Puts Down Partial Programs
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 K...
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Season 5
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Episode 12
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1:06:04

Season 5, Episode 11 - Final Thinning Window
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.
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Season 5
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Episode 11
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57:26

Season 5, Episode 10: Thinning Windows
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:
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Season 5
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Episode 10
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57:20

Season 5, Episode 9: May Orchard Update
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...
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Season 5
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Episode 9
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1:01:16

Season 5, Episode 8: Big Spring Decisions
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....
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Season 5
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Episode 8
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44:56

Season 5, Episode 7: Disease, Insects and Thinning During Bloom
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.
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Season 5
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Episode 7
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25:05

Season 5, Episode 6: Fire Blight Emergency - 4.15.2024
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: h...
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Season 5
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Episode 6
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17:21

Season 5 Episode 5: Spring Pathology and Entomology Update
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:
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Season 5
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Episode 5
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27:16

Season 5 Episode 4: Rapid Spring Changes
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)&nb...
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Season 5
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Episode 4
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36:15

Season 5 Episode 3: Holding Patterns
Kari and Don talk about what to do when the weather doesn’t cooperate with your plans for spraying. Orchard Critical Frost Temperatures
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Season 5
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Episode 3
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9:10

Season 5 Episode 2: What Low Temperatures Might Mean for Orchards
Kari and Don highlight some early-season sprays and discuss what the week's low temperatures might mean for orchards.Article: Orchard Critical F...
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Season 5
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Episode 2
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13:30

Season 5 Episode 1: Introducing Dr. Shan Kumar!
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, ...
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Season 5
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Episode 1
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23:08

Season 4 Episode 20: Program Update from Dr. Macarena Farcuh
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...
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Season 4
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Episode 20
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25:16

Season 4 Episode 19: Pre-Post-Harvest Care
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 Jos...
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Season 4
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Episode 19
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33:52

Season 4 Episode 18: Fruit Bites—Leaf Analyses and Plant Disease
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.
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Season 4
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Episode 18
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28:19
