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High Tunnel Research: Parts of a High Tunnel
High Tunnel Research: Parts of a High Tunnel - Videos Videos

High Tunnel Research: Parts of a High Tunnel

Matthew Cooper, Kathy Demchak

4:55

This video provides information on all parts of a single-bay gothic peak high tunnel. The terminology is commonly used for various high tunnel types. More
High Tunnel Research: Types of High Tunnels
High Tunnel Research: Types of High Tunnels - Videos Videos

High Tunnel Research: Types of High Tunnels

Matthew Cooper, Kathy Demchak

5:53

This video provides information on the types of high tunnels (single and multi-bay) that are commercially available, and important features of each to consider. More
Diferentes tamaños de plantas inactivas. Foto: K. Demchak, Penn State
Establecimiento de Fresas - Principios Básicos - Articles Articles
Una plantación de fresa exitosa depende de que los principios básicos se apliquen correctamente en el momento de la siembra. Prestar atención a lo básico, lo llevará por el mejor camino para tener una plantación vigorosa. More
Corn earworm counts are rising throughout PA.
Vegetable - Small Fruit Production Issues: August 2, 2018 - News News
July started out dry and hot but transitioned quickly, with almost no warning, to very wet and hot. More
Blueberries are a high value crop in Pennsylvania.
Survey: Pollination Services of Blueberries in the Mid-Atlantic Region - News News
If you grow blueberries on your farm, please consider participating in this short survey. More
Japanese beetle on raspberries. Photo: Kathy Demchak, Penn State
Vegetable - Small Fruit Production Issues: July 12, 2018 - News News
Downy mildew was confirmed on cucumber in Mifflin County on July 11. Warmer weather throughout the state is helping crops along, but has also been good for insect pests. More
The potato leafhopper, Empoasca fabae, is a pest that is easy to overlook until the damage - called "hopperburn" - "burns" you. Photo: Penn State College of Agriculture
Vegetable - Small Fruit Current Issues: June 28 2018 - News News
Wet weather and variable temperatures across the state continue to be challenging for vegetable and berry production. More
Black rot on cabbage, caused by the bacterium Xanthomonas campestris pv. campestris. Note characteristic “V” shaped lesions starting at leaf margin. Photo: Lee Stivers, Penn State
Vegetable - Small Fruit Current Issues: Mid-June 2018 - News News
Cloudy weather, rainstorms, and variable temperatures across the state have slowed some crops and created very favorable conditions for disease development. More
Are your berries turning brown and drying up? Check to see that the pedicle is not damaged. Photo: Kathy Demchak, Penn State
Causes of Strawberry Blossom Blights and Dried Berries - News News
The warm wet weather the past couple of weeks together with high humidity is creating perfect conditions for a number of strawberry diseases. More
Pepper transplants. Photo: Tom Ford, Penn State
Vegetable - Small Fruit Current Issues: May 18, 2018 - News News
It’s no secret that this spring has been cold and wet across Pennsylvania. On many farms, planting has been delayed as much as three weeks, and many crops already in the ground are developing more slowly than usual. More
Strawberry plant with mild winter injury. Photo: Kathy Demchak
Spring Strawberry Growth, or Lack Thereof - News News
This year, we had a long cold winter, the spring warm-up just isn’t happening yet in much of the state, and plant growth is nearly 2 weeks behind schedule. More
‘Mayflower’ (East Malling, U.K.) is a mid-late season variety. Photo: Kathy Demchak, Penn State
Strawberry Variety Update – Fall 2017 - News News
It’s that time of year when we start thinking about putting together plant orders for next season. 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
Different dormant plant sizes. Photo: K. Demchak, Penn State
Strawberry Establishment - Planting and Other Basics - Articles Articles
A successful strawberry planting hinges on getting the basics right at planting time. If you can pay attention to the basics, you are well on your way to having a vigorous planting. More
Strawberry Nutrition - Sampling Leaves for Nutrient Analysis
Strawberry Nutrition - Sampling Leaves for Nutrient Analysis - Articles Articles
When growers send in strawberry leaves for a nutrient analysis, should the petioles remain attached or be removed? 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
Symptoms typical of severe anthracnose infection on blackberry.
Blackberry Fruit Disorders - Effects on Fruit Quality - Articles Articles
This article discusses some common blackberry fruit issues, including whitening of drupelets, drupelet reddening, insect feeding injury, canker diseases and spotted wing drosophila. More
Small Fruit Mite - Broad Mites on Blackberries
Small Fruit Mite - Broad Mites on Blackberries - Articles Articles

Small Fruit Mite - Broad Mites on Blackberries

Kathy Demchak, Donn Johnson

Broad mite (Polyphagotarsonemus latus) has been problematic for pepper growers in PA for the last couple of years. Now we can add blackberries to the list of crops that they frequent. 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
Strawberry Disease - Verticillium Wilt
Strawberry Disease - Verticillium Wilt - Articles Articles
Verticillium wilt of strawberry, caused by the soilborne fungus Verticillium albo-atrum, infects more than 300 kinds of cultivated plants. 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
Source: SCRI-Dundee , Scottish Crop Research Institute, Bugwood.org
Strawberry Disease - Red Stele - Articles Articles
Red stele, or red core, Phytophthora fragariae, is the most serious disease of strawberry in areas with cool, moist soil conditions. More
Blueberry Disease - Powdery Mildew, Not Symptoms You’d Expect
Blueberry Disease - Powdery Mildew, Not Symptoms You’d Expect - Articles Articles
Powdery mildew, a warm-weather high-humidity disease, is present in some blueberry plantings. Lowbush, highbush, and rabbiteye blueberries are all affected. More
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