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Photo: Tara Baugher, Penn State
Fruit Disorders: Prevention of Scarf Skin on Apple Fruit - Articles Articles

Fruit Disorders: Prevention of Scarf Skin on Apple Fruit

James Schupp, Ph.D., Melanie Schupp, Edwin Winzeler, Tara Baugher, Daniel Weber, Donald Seifrit

Scarf skin is a physiological disorder of apple fruit that causes a dull gray cloudy or waxy appearance on the surface of the peel (epidermis) where it is most readily observed on varieties with a red or dark red background. More
Photo: Holly Raguza, Pennsylvania Department of Agriculture
Spotted Lanternfly: Tips for Handling Yard Waste in Quarantined Areas - Articles Articles
To prevent the movement of this insect, avoid moving yard waste such as woody plant debris (fallen trees or branches and tree trimmings) outside the quarantine area. More
Yogurt Dairy Refrigerator-2722678 by Albany Colley. Pixabay.com. CC0
Dairy Outlook: October 2018 - Articles Articles

Dairy Outlook: October 2018

Robert C. Goodling, Jr., David L. Swartz, Claudia Schmidt, Ph.D., Timothy Beck, Virginia A. Ishler

Current dairy markets are hinting at potential gradual increase in milk price into 2019. Global trade volatility continues to hinder widespread optimism. More
Photo: Holly Raguza, Pennsylvania Department of Agriculture
How You Can Comply with the Spotted Lanternfly Quarantine Regulations - Articles Articles
Some tips to help you avoid spreading Spotted Lanternfly (SLF) and be in compliance with the Pennsylvania Department of Agriculture (PDA) regulations. More
milk-spilt-white-glass-spill-1543193 by ponce_photography. Pixabay.com CC0
Dairy Outlook: September 2018 - Articles Articles

Dairy Outlook: September 2018

Robert C. Goodling, Jr., David L. Swartz, Claudia Schmidt, Ph.D., Virginia A. Ishler, Timothy Beck

Milk prices remain on the low side of a four-year modest price range. Monitoring a producer's individual price regularly is vital to see trends and potential opportunities at the farm level. More
Soggy breakdown on 2014 PA fruit. Photo courtesy of Yosef Al Shoffe, Cornell
Fruit Disorders - Harvest Practices to Prevent Storage Disorders in Honeycrisp - Articles Articles

Fruit Disorders - Harvest Practices to Prevent Storage Disorders in Honeycrisp

Tara Baugher, James Schupp, Ph.D., Rich Marini, Ph.D., Robert Crassweller, Ph.D., Chris Walsh

There are many factors that affect Honeycrisp storage behavior, and some occur during harvest. More
Telephone-telegraph-pole-wire-1822040 by aitoff. Pixabay.com. cc0
Dairy Outlook: June 2018 - Articles Articles

Dairy Outlook: June 2018

David L. Swartz, Robert C. Goodling, Jr., Timothy Beck, Virginia A. Ishler

Milk price continued slow climb, but milk margins remain tight. Current tumultuous environment in global trade may limit long term progress. More
The original laboratory of S. W. Frost (entomologist) and R. C. Walton (plant pathologist) in the former Arendtsville Hotel, 1918-1922. Photo: Penn State Archives
Early History of the Arendtsville Fruit Laboratory - Articles Articles
In the letter below, Dr. Frost describes the challenges faced by the first scientists who started the Arendtsville Fruit Lab, which went on to become the Fruit Research and Extension Center. More
Apple Top-Working: Managing the New Grafts
Apple Top-Working: Managing the New Grafts - Articles Articles
Top-working is the name for grafting established trees to another variety. The existing tree, the “stock”, is cut back, leaving just one or two limbs (nurse limbs) to supply the tree with energy. More
David Swartz, Penn State
Dairy Outlook: May 2018 - Articles Articles

Dairy Outlook: May 2018

David L. Swartz, Robert C. Goodling, Jr., Timothy Beck, Virginia A. Ishler

Long term survival of a dairy operation will hinge on management’s ability to find ways to push the cost of production below $17.50/cwt while maintaining some level of reinvestment in the operation. More
Frost-induced russet also known as Frost Ring. Photo: Jim Schupp, Penn State
Apple Skin Disorders: Scarf Skin and Russet - Articles Articles
Scarf skin and russet are skin defects that can diminish the market value of fresh fruit. More
Peach Crop Load Management: Blossom Thinning and Fruit Size
Peach Crop Load Management: Blossom Thinning and Fruit Size - Articles Articles

Peach Crop Load Management: Blossom Thinning and Fruit Size

Tara Baugher, James Schupp, Ph.D., Paul Heinemann, Ph.D.

Many growers are hesitant to thin peaches at bloom because they fear the chance of bud loss to frost at this early stage of development. More
"duck-2166056" alexas_fotos, pixabay.com CC0
Dairy Outlook: April 2018 - Articles Articles

Dairy Outlook: April 2018

Robert C. Goodling, Jr., David L. Swartz, Timothy Beck, Virginia A. Ishler

Pennsylvania dairy cash flows continue to be upside down as income over feed cost and milk margins shrink and are below breakeven levels. More
Spotted lanternflies captured on a sticky band. Photo: Emelie Swackhamer, Penn State
Spotted Lanternfly Management: Placing Sticky Bands on Trees - Articles Articles
This article summarizes one method of capturing and killing spotted lanternfly (SLF): placing sticky bands on trees. More
Enzymatic cell wall breakdown is an irreversible process. Once the fruit stems loosen, there is no way to strengthen them up! Stop drops are plant growth regulators that interfere with the enzymatic breakdown of the cell walls in the abscission zone.
Apple PGRs: Preharvest Drop Control - Articles Articles
As apples mature they begin to produce large amounts of the ripening hormone, ethylene. One of the ripening processes stimulated by ethylene is stem loosening. More
The first step in making the right call on thinning is accurate assessment of initial set.
Apple Crop Load Management: Chemical Thinning - Articles Articles
Chemical thinning applications are probably the most important single spray in a season. More
Trees trained to a tall spindle system are commonly grown on M.9 rootstock, although new rootstocks are on the horizon.
Apple Rootstocks: Capabilities and Limitations - Articles Articles

Apple Rootstocks: Capabilities and Limitations

Robert Crassweller, Ph.D., James Schupp, Ph.D.

Penn State participates in multi-state apple rootstock trials, such the NC-140 rootstock project. The following rootstock descriptions and comments are based on results from these trials. More
Credit Squeeze by Stevepb on pixabay.com cc0
Dairy Outlook: March 2018 - Articles Articles

Dairy Outlook: March 2018

David L. Swartz, Robert C. Goodling, Jr., Virginia A. Ishler, Timothy Beck

With cow numbers steady, increasing domestic milk production, robust inventory of dairy products, and other factors, there are no market signals to indicate strength for future milk prices. More
Roller Coaster by dlohner on pixabay.com cc0
Dairy Outlook: February 2018 - Articles Articles

Dairy Outlook: February 2018

David L. Swartz, Robert C. Goodling, Jr., Timothy Beck, Virginia A. Ishler

All milk price for December 2017 showed the anticipated drop from the previous month. Feed price were steady, created a slightly smaller Income over Feed Cost opportunity. More
"Glass-milk-white-cows-milk" by Pezibear on pixabay.com CC0
Dairy Outlook: January 2018 - Articles Articles

Dairy Outlook: January 2018

David L. Swartz, Robert C. Goodling, Jr., Virginia A. Ishler, Timothy Beck

Current predicted Class III price for the first 11 months of 2018 is averaging $14.57/cwt. To face the year with optimism is to be sure dairy producers really understand their cost of production. More
Buckeye Gala/M. 9. Photo: Tara Baugher, Penn State
Apple PGRs - Shifting Harvest Window of Gala a Risk in Warmer Climates - Articles Articles

Apple PGRs - Shifting Harvest Window of Gala a Risk in Warmer Climates

James Schupp, Ph.D., Edwin Winzeler, Lynn Kime

Researchers in cooler regions have recommended the 2-pouch rate of ReTain be used to delay harvest by up to six weeks, but this was not possible in Southcentral PA in 2016. More
R. Goodling Penn State
Dairy Outlook: December 2017 - Articles Articles

Dairy Outlook: December 2017

David L. Swartz, Robert C. Goodling, Jr., Timothy Beck, Virginia A. Ishler

The milk price forecast for 2018 is starting to solidify, and good news is hard to find. U.S. milk production growth has slowed, but global supply is still hampering future price increases. More
Quad V. Photo: Edwin Winzeler, Penn State
Peach Tree Pruning: Trials, Tribulations, and Looking to the Future - Articles Articles
The ideal peach training system would be productive and pedestrian, precocious and produce high quality, well-colored red fruits. More
What To Do If You Find the Spotted Lanternfly on Your Property
What To Do If You Find the Spotted Lanternfly on Your Property - Articles Articles
This insect is considered a threat to some crops and many people are working to try to prevent it from spreading. More
Spotted Lanternfly IPM Management Calendar
Spotted Lanternfly IPM Management Calendar - Articles Articles

Spotted Lanternfly IPM Management Calendar

Emelie Swackhamer, David R. Jackson, Art Gover

There are various management techniques to consider to destroy or control the Spotted Lanternfly. Learn the recommended methods to use during certain times of the year. More
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