Dr. Tree Fruit and Don

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-meetup Don Seifrit (host) Kari Peter (speaker) Greg Krawczyk (speaker) Daniel Weber (speaker) Lead Image: K. Peter, Penn St...

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:  0:53 Greg’s update start:  16:48 Don Seifrit (host) Kari Peter (speaker) Greg Krawczyk (speaker) Lead Image: Brown marmorated stink bug adults. Photo: G. Krawczyk, Penn State Make sure you sign up to get notified of future Extens...

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 State Make sure you sign up to get notified of future Extension events for tree fruit...

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 State Special Notice: Bilingual Pesticide Labeling Webinar   The EPA has announced a public webinar/forum to discuss upcoming changes regarding pesticide label availability and accessibility to no...

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 State Make sure you sign up to...

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...

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 State Make sure you sign up to get notified of future Extension events for tree fruit...

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 Seifrit Kari Peter    To register for the Spring Orchard Meeting near you, visit: https://extension.psu.edu/spring-orchard-meetings Photo: Greg Krawczyk, Penn State Make sure you sign up to get notified of...

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. Imhoff Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities of Main Fruit Pests During the Growing Season

Kari and Don highlight some early-season concerns after a cold weekend that is leading into a hot week. Hosts: Don Seifrit Kari Peter   Lead Image:  D. Seifrit, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities of Main Fruit Pests During the Growing Season

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 Peter Photo Credit: Dr. K. Peter, Penn State  Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities of Main Fruit Pests During the Growing Season

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 State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities of Main Fruit Pests...

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 Peter Wayne Jurick (speaker), Dianiris Luciano-Rosario (speaker) Penicillium expansum : biology, omics, and management tool...

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 State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight S...

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 (...

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 Up Flight Seasonalities of Main Fruit Pests During the Growing Seaso...

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 Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities of Main Fruit Pests During the Growing Sea...

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 Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities of Main Fruit Pests During the Growing Season

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 Make sure you sign up to get notified...

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 Make sure you sign up to get notified of future Extension events for tree frui...

In this Fruit Bite, Kari has a big disease update. She highlights bitter rot and bitter rot control. The bacterial spot of stone fruit gets the spotlight this week, too. Bacterial spot control is discussed. Don Seifrit (host) Kari Peter (speaker)  Lead Image: K. Peter, Penn State Kari's latest article: 2022 Disease Update: Prevent Bitter Rot on Apple Make sure you sign up to get notified of f...

In this 5th Fruit Bite, Kari highlights codling moths and pheromone trapping, fire blight infections and tool cleaning, and rosy apple aphid control. Keep an eye out for sooty blotch and flyspeck.  If anyone wants to register for the Fruit Research and Extension Center field day in Biglerville, please reach out to Dr. Peter by email, at kap22@psu.edu . Don Seifrit (host) Kari Peter (speaker)   Lea...

The fourth Fruit Bite episode talks about caution during chemical thinning in response to the weather, especially after looking at models in previous weeks, fire blight and apple scab, and plum curculio. Don Seifrit (host)  Kari Peter (speaker)   Lead Image: Jim Schupp, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities...

The third Fruit Bite episode talks about fire blight, caution during chemical thinning in response to the weather, plum curculio, and white peach scale.   Don Seifrit (host) Kari Peter (speaker)   Lead Image: K. Peter, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities of Main Fruit Pests During the Growing Season

The second Fruit Bite highlights early-season issues with an emphasis on some disease pressure and insect reproduction prevention.  Don Seifrit (host),  Kari Peter (speaker)   Lead Image: K. Peter, Penn State Make sure you sign up to get notified of future Extension events for tree fruit growers! Sign Up Flight Seasonalities of Main Fruit Pests During the Growing Season