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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
Alfalfa regrowth after the last summer cutting. Image Credit: Hanna Wells.
Potassium Management to Improve Alfalfa Winter Survival - Articles Articles
Proper potassium management in fall can improve winter survival of alfalfa. More
Nitrogen deficiency in corn, characterized by yellowing along the midrib of the lower leaves, starting at the leaf tip and moving towards the stalk. (Image credit: Charlie White)
What is the Potential for Nitrogen Losses from Extreme Summer Rainfall - Articles Articles
The severity of nitrogen losses from extreme summer rainfalls, and how you react to them, depends on many factors. More
Potassium deficiency on this corn crop is exhibited by yellowing and necrosis of the leaf edges in the lower part of the canopy. Image credit: Jeff Graybill
Scouting for Nutrient Deficiencies - Articles Articles
Regular visual inspections, paired with tissue testing, soil sampling, and some help from eyes in the sky, can help diagnose nutrient deficiencies in a growing crop. More
Urea granules treated with a urease inhibitor. Photo credit: Charlie White
Will Your Nitrogen Stabilizer be Effective? - Articles Articles
Nitrogen stabilizer products are valuable management tools to prevent losses of N fertilizer and increase N use efficiency by the crop. Knowing how these products work will you help you maximize their effectiveness. More
Photo credit: Patrick Drohan
Soil pH Affects Forage Production - Articles Articles

Soil pH Affects Forage Production

Jessica A. Williamson, Ph.D., Charles White

Soil pH can be one of the greatest determinates of forage productivity and stand life. More
A field must have greater than 25% crop residue cover or a cover crop to be eligible for winter manure spreading, along with other restrictions. Photo credit: Charlie White
The Do’s and Don’ts of Winter Manure Spreading - Articles Articles
If winter manure spreading is absolutely unavoidable, follow these requirements to do it legally. More
Manure Fertilizer, Photo Credit: Nicole Santangelo, PSU
Is Your Farm Ready for Inspection? - Articles Articles
By the end of 2018, 1 in 5 Pennsylvania farms within the Chesapeake Bay watershed will have been visited by the Chesapeake Bay Agricultural Inspections Program. More
Can I Apply Potash in Winter?
Can I Apply Potash in Winter? - Articles Articles

Can I Apply Potash in Winter?

Charles White, Nicole Santangelo

Ensuring properly timed potassium applications where they are needed when conditions permit. More
Orchard IPM - Apple Scab Scouting and Management
Orchard IPM - Apple Scab Scouting and Management - Articles Articles

Orchard IPM - Apple Scab Scouting and Management

Kari A. Peter, Ph.D., Tianna DuPont

Make sure you know where apple scab overwinters, how to monitor, and when it is most likely to appear. More
Predator mite attacking European red mite. Photo courtesy of Dr. David Biddinger
Orchard IPM - European Red Mite Biological Control - Articles Articles

Orchard IPM - European Red Mite Biological Control

Dave Biddinger, Ph.D., Tara Baugher, Tianna DuPont

Infestations of red mites can result in smaller fruit and a reduced fruit bloom the following 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
Photo by Kathy Demchak.
Strawberry Disease - Powdery Mildew - Articles Articles
Powdery mildew, Sphaerotheca macularis, occurs on a wide range of hosts and almost everywhere the strawberry is grown. More
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