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Penn State Extension
Dr. Tree Fruit and DonEpisodes
Penn State Extension
Dr. Tree Fruit and Don
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Episodes of Dr. Tree Fruit and Don
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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 fo
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: htt
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://ex
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 (s
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 u
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 R
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 ke
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
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 u
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 (h
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
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
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
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 Krawc
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 La
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
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 dis
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
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 Orcha
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 UpFli
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 fru
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
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 Pe
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 b
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
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