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The Chinese chestnut tree in full bloom can be very attractive. Photo: Tom Butzler, Penn State
Trees in the Landscape: The Stinkers - Articles Articles
We place trees and shrubs in the landscape for a variety of reasons; fall color, flowers, shade, winter interest, and fruiting characteristics. And let’s not forget the smell. More
Comience a Cultivar - "Modelos para el Futuro" Aulas Vivas
Comience a Cultivar - "Modelos para el Futuro" Aulas Vivas - Articles Articles
Penn State Extension se asoció con siete productores del Estado de Pensilvania para brindar demostraciones en granjas a agricultores nuevos, jóvenes y de minorías. More
En el Camino: Granja Orgánica de Toigo 2018
En el Camino: Granja Orgánica de Toigo 2018 - Articles Articles

En el Camino: Granja Orgánica de Toigo 2018

Elsa Sanchez, Ph.D., Francesco Di Gioia, Ph. D., Robert Berghage, Ph.D.

En Toigo, cultivan principalmente tomates y también pepinos, pimientos y berenjenas para mercados al por mayor y directas. More
Photo courtesy of Toigo Farm.
On the Road: Toigo Organic Farms in 2018 - Articles Articles

On the Road: Toigo Organic Farms in 2018

Elsa Sanchez, Ph.D., Francesco Di Gioia, Ph. D., Robert Berghage, Ph.D.

At Toigo, they grow primarily tomatoes, along with cucumbers, peppers, and eggplants for wholesale and direct markets. 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
Female spotted lanternfly and her egg mass. Photo: Emelie Swackhamer, Penn State
Tree Fruit Insect Pest - Spotted Lanternfly - Articles Articles

Tree Fruit Insect Pest - Spotted Lanternfly

Grzegorz (Greg) Krawczyk, Ph.D.

The spotted lanternfly, Lycorma delicatula, an invasive plant hopper was first detected in Pennsylvania in the fall of 2014. More
Photo: Rivertowne Brewing, Export, PA
Beer and Spirits: Supplying the Craft Beverage Boom with Local Ingredients - Articles Articles

Beer and Spirits: Supplying the Craft Beverage Boom with Local Ingredients

Heather E. Manzo, Maria L Graziani, MBA, Molly Berntsen, Rachel Hair, Thy Le An Ngo

Penn State Extension conducted research in 2017 to assess current and future production levels and supply chain actors and identify future potential for local and regional sourcing of ingredients More
Botrytis bunch rot. Photo by W.J. Moller
Botrytis Bunch Rot: Winemaking Implications and Considerations - Articles Articles
This article will review the implications of molds and fruit rots on wine composition and quality and discuss remedial actions in the winery. 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
A multi-tier shake-and-catch harvesting platform (WSU design by Dr. He and team). Photo: Long He, Penn State
Orchard Automation - Engineering Opportunities for Fruit Growers - Articles Articles
Fruit growers have many challenges related to the labor-intensive needs of tree fruit production and increasing global competition. Fortunately, new precision management and automation technologies are on the horizon. More
Photo 1. Blueberry blossom showing the characteristic flowers of this plant. Note that the flowers are closed, bell-shaped and pendant. Photo credit: Nicole Castle, contributed to Plant Village.
Who Pollinates Pennsylvania Blueberry Plants? - Articles Articles

Who Pollinates Pennsylvania Blueberry Plants?

Margarita López-Uribe, Ph.D., Shelby Fleischer, Ph.D., Kristal Watrous, Nolan Amon

Blueberries (genus Vaccinium) are a high-value crop in Pennsylvania and the United States, with an estimated value of at least $825 million to the US economy in 2014. More
Close-up of fringetree flowers which have some fragrance to them. Photo: Mike Masiuk, Penn State
Spring Floral Display: Chionanthus Virginicus, White Fringetree - Articles Articles
Although the common name, white fringetree, alludes to a tree, it is often treated as a large shrub in the landscape, reaching a range of anywhere from 12 to 20 feet. 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
Dr. Rob Crassweller, second from right, organizes an apple variety sampling. Photo: Tara Baugher, Penn State
Apple Variety Improvement: A Look at the Past, Present and Future - Articles Articles
During the 2018 Mid-Atlantic Fruit and Vegetable Conference, Dr. Rob Crassweller organized an apple variety showcase. 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
Freeze damage on Concord. Photo: Michela Centinari, Penn State
Understanding and Preventing Spring Frost and Freeze Damage - Articles Articles
When early spring warming is followed by below freezing temperatures, grape growers keep their fingers crossed hoping to escape freeze injury. More
Mulching Landscape Trees
Mulching Landscape Trees - Articles Articles

Mulching Landscape Trees

David R. Jackson

Mulches are materials placed over the soil surface to enhance landscape beauty, improve soil conditions, protect plants from foot traffic and lawn equipment, and suppress weeds. 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
Photo 1. Two type of bee hotels for stem nesters: (left) Box with cardboard straws and (right) wooden block with drilled holes. Photo credit: Margarita López-Uribe, Penn State
Spring Bees: Who Are They and Where Do They Live? - Articles Articles

Spring Bees: Who Are They and Where Do They Live?

Margarita López-Uribe, Ph.D.

While spring is the beginning of the beekeeping season, early blooming plants not only feed honey bees but also hundreds of native solitary bee species that emerge at around the same time. More
Tree Fruit Budget Tools
Tree Fruit Budget Tools - Articles Articles

Tree Fruit Budget Tools

Jayson K. Harper, Ph.D., Lynn Kime

Every two years the faculty and extension personnel update the Penn State Tree Fruit Production Guide. Within the Guide are budgets for tree fruit production. More
Photo: Bill Lamont, Penn State
Pumpkin Cultivar Trial Results - Articles Articles

Pumpkin Cultivar Trial Results

Elsa Sanchez, Ph.D., Timothy Elkner, Robert Pollock, Tom Butzler, William Lamont, Jr., Ph.D.

We evaluated twenty-one pumpkin cultivars in 2016 and 2017. More
Tyvek® tree guard. Photo: Rob Crassweller
Orchard Weed Control - Protection of Tree Trunks - Articles Articles
Some of the burn-down herbicides have been implicated as possible causes of damage to young tree trunks that have green tissue on portions of the lower trunk. More
A new mobile scouting spreadsheet developed by Penn State enables simple record-keeping on your smartphone.
Orchard IPM: Scouting with Your Smartphone - Articles Articles

Orchard IPM: Scouting with Your Smartphone

Tara Baugher, Tom Jarvinen

An important part of orchard scouting is to keep good records. A new mobile scouting spreadsheet, developed by Penn State, will help you keep track of what you are seeing in the field. More
John Wall, author of How to Build Orchard and Vineyard Trellises, explains the key components of a strong orchard support system. Photo: Tara Baugher, Penn State
Orchard Precision: Engineering Principles for Orchard Trellis Construction - Articles Articles
Properly gauging orchard trellis needs and designing a system that is both cost-efficient and sturdy enough to weather season after season is a challenging, but rewarding, task. More
Phytocoris conspurcatus. Photo by Tom Murray
Apple Insect Pest: New Plant Bug Type Injury to Fruit - Articles Articles

Apple Insect Pest: New Plant Bug Type Injury to Fruit

Dave Biddinger, Ph.D., Neelendra Joshi

In last the five years or so growers have noticed increases in what appears to be plum curculio damage to apple fruit. More
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