Articles

35 Results

List Grid

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
Osmia cornifrons on an apple blossom. Photo: David Biddinger
Orchard Pollination: Solitary (Mason) Bees - Articles Articles
Growers of bee-pollinated crops, particularly apples, may be interested in the possible use of solitary bees as pollinators. More
Mowing the sudex cover crop at the blueberry site at Five Elements Farm. The sudex was sown to compete against weeds, and was incorporated to add organic matter to the soil. Photo by J. Bozzelli.
Adding Small Fruits to Your Small Farm - Articles Articles

Adding Small Fruits to Your Small Farm

Marley E Skinner, Robert Pollock, Mike Basedow

Consider diversifying your farm by adding small fruit like blueberries or strawberries. More
Cold-injured primary blackberry bud (left) and uninjured secondary bud (right). Photo credit: Fumi Takeda, USDA-ARS-AFRS
Small Fruit Cold Hardiness - Winter Injury in Brambles - Articles Articles

Small Fruit Cold Hardiness - Winter Injury in Brambles

Rich Marini, Ph.D., Kathy Demchak

Weather is also becoming more variable resulting in early-winter cold snaps and winter thaws followed by extreme cold events. More
Photo by M. Seetin.
Pollinators and Pesticide Sprays during Bloom in Fruit Plantings - Articles Articles

Pollinators and Pesticide Sprays during Bloom in Fruit Plantings

Dave Biddinger, Ph.D., Kathy Demchak, Ed Rajotte, Ph.D., Tara Baugher

Use of pesticides during bloom is a complicated problem with the solutions relying on understanding the detailed relationships among chemicals, pollinators and pest management needs. More
Manejo en la Postcosecha de Bayas
Manejo en la Postcosecha de Bayas - Articles Articles

Manejo en la Postcosecha de Bayas

Montserrat Fonseca Estrada

Las bayas (fresas, frambuesas, zarzamoras, y arándanos) son frutas maravillosas; además de ser deliciosas y nutritivas tienen buen precio en el mercado. More
Source: SCRI-Dundee , Scottish Crop Research Institute, Bugwood.org
Bramble Diseases - Viruses - Articles Articles
Virus diseases can seriously damage brambles, especially raspberries, and can affect the lifetime of a planting. More
Raspberry Mosaic Virus. Photo by K. Demchak.
Bramble Diseases - Virus Control - Articles Articles
Control measures for virus diseases in brambles are aimed mainly at removing sources of the virus from within and around the planting. More
Bramble Disease - Verticillium Wilt
Bramble Disease - Verticillium Wilt - Articles Articles
Verticillium wilt is caused by two common soilborne fungi (Verticillium dahliae and Verticillium albo-atrum) that have a wide host range and attack more than 300 woody and herbaceous plants. More
Source: Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org
Bramble Disease - Spur Blight - Articles Articles
Red and purple raspberries are more affected by spur blight, Didymella applanata, than black raspberries. Blackberries appear to be immune. More
Bramble Disease - Mosaic Virus
Bramble Disease - Mosaic Virus - Articles Articles
Mosaic affects all raspberries but seldom affects blackberries. The mosaic virus complex overwinters in infected plants and is spread by aphids. More
Photo 1. Early symptom of orange rust. Photo: K. Demchak
Bramble Disease - Managing Orange Rust - Articles Articles

Bramble Disease - Managing Orange Rust

Kathy Demchak, mahfuzur rahman

Orange rust, Gymnoconia nitens, is a systemic disease, any plants propagated from infected plants will also be infected. More
Source: B. Martin. USDA-ARS Horticulture Crops Research Unit
Bramble Disease - Leaf Curl Virus - Articles Articles
Raspberries are affected more severely by leaf curl than are blackberries. More
Source: K. Demchak.
Bramble Disease - Crumbly Berry - Articles Articles
Crumbly berry, also called raspberry bushy dwarf, is the most common bramble virus in the Mid-Atlantic region. It is caused by the tomato ringspot virus. More
Eric Coombs, Oregon Department of Agriculture, Bugwood.org
Raspberry Diseases - Crown Gall and Cane Gall - Articles Articles
Crown gall, Agrobacterium tumifaciens, and cane gall, Agrobacterium rubi, are bacterial diseases that seriously limit raspberry production in Pennsylvania. More
stem canker (Leptosphaeria coniothyrium). Photo: Florida Division of Plant Industry , Florida Department of Agriculture and Consumer Services, Bugwood.org
Bramble Disease - Cane Blight - Articles Articles
Cane blight is caused by the fungus Leptosphaeria coniothyrium, which also causes a canker on roses and a fruit rot of apple and pear. More
liz west, Flickr
Bramble Disease - Black Raspberry Streak - Articles Articles
Black raspberry streak is caused by a virus. During warm periods, inconspicuous purple streaks less than 1 inch long form on the lower part of infected canes. More
Orchard Wildlife Management - Birds
Orchard Wildlife Management - Birds - Articles Articles

Orchard Wildlife Management - Birds

Margaret C. Brittingham, Ph.D.

On many farms or orchards, bird damage is minimal while for others, problems from birds can be substantial. More
'Abion' strawberries and 'Polka' (left) and 'Josephine' raspberries (right) at Penn State's High Tunnel facility.
Growing Raspberries and Strawberries in Containers - Articles Articles
Specialty Crop Research Initiative (SCRI) High and Low Tunnel Berry Project Update #1—information on growing strawberries and raspberries in containers. More
Paper wasps typically build their nest in high protected structures such as house or barn eaves.
Should Growers Befriend Wasps? - Articles Articles
Small fruit and vegetable growers understand the role that honeybees, bumblebees, and solitary bees play in pollination of crops. More
Dealing with High Soluble Salt Levels in High Tunnels
Dealing with High Soluble Salt Levels in High Tunnels - Articles Articles
Some growers have expressed concern about soil test analysis revealing abnormally high soluble salt levels in the soils of their high tunnels. This article outlines past studies and recommendations. More
Spotted Wing Drosophila, Part 3: Monitoring
Spotted Wing Drosophila, Part 3: Monitoring - Articles Articles
This article explains how to monitor for spotted wing drosophila, an invasive vinegar (fruit) fly first detected in Pennsylvania in 2011, using traps. More
Spotted Wing Drosophila Part 1: Overview and Identification
Spotted Wing Drosophila Part 1: Overview and Identification - Articles Articles
This article provides information and photos to aid in identifying spotted wing drosophila, an invasive vinegar fly that was found in the Northeast in 2011. More
Photo credit Mary Ann Frazier, Penn State Extension.
Who are Our Pollinators? - Articles Articles

Who are Our Pollinators?

Christina Grozinger, Ph.D., Shelby Fleischer, Ph.D., Krishona Martinson

Approximately three quarters of our major food crops are pollinated. Here we will look at how wild bees provide insurance against ongoing honey bee losses. More
Small Striped Bee (Halictus). Photo USGS Bee Inventory.
What Can We Do to Encourage Native Bees? - Articles Articles

What Can We Do to Encourage Native Bees?

Christina Grozinger, Ph.D., Shelby Fleischer, Ph.D., Tianna DuPont

Pollinators need a diverse, abundant food source and a place to build their nests and rear their young. If we keep these two elements in mind we can encourage native bee populations. More
Page:
  1. 1
  2. 2