Articles

2106 Results

List Grid

Powdery mildew on blossoms. The powdery mildew fungus likes young tissue. As tissue begins to grow, the fungus will colonize young, green tissue as it emerges. Photo: Kari Peter, Penn State
Spraying by the Numbers: Fungicide Resistance Management - Articles Articles

Spraying by the Numbers: Fungicide Resistance Management

Kari A. Peter, Ph.D., Alan R. Biggs

Growers can prevent resistance to fungicides by alternating chemicals by FRAC group also known as "spraying by the numbers." More
Beef cows grazing switchgrass/big bluestem/indiangrass mix in summer. Credit: S. Duiker
Extending the Grazing Season with Plant Diversity - Articles Articles

Extending the Grazing Season with Plant Diversity

Sjoerd Willem Duiker, Ph.D., CCA, Jessica A. Williamson, Ph.D.

By developing a grazing plan that integrates cool-season perennials with warm- and cool-season annuals and warm-season perennials, graziers can significantly extend the grazing season while both avoiding overgrazing and maintaining soil health. More
Planting Green 101: Penn State Research Summary
Planting Green 101: Penn State Research Summary - Articles Articles

Planting Green 101: Penn State Research Summary

Heidi Reed, Heather Karsten, Ph.D., John Tooker, Ph.D., Sjoerd Willem Duiker, Ph.D., CCA, William S. Curran, Ph.D.

This article explains the “why” and “how” of planting green with corn and soybeans, including practical management recommendations based on results from 3 years of research across 5 locations in Pennsylvania. More
Photo by David Almquist on Bugguide.org, used with permission.
Camphor Shoot Borer (Cnestus mutilatus) - Articles Articles
Camphor shoot borers are an introduced species of ambrosia beetle that attack small-diameter branches and trunks of stressed, weakened, and dying trees. They also accidentally bore holes into plastic gasoline containers, hoses, and tanks. More
Figure 1. No-till soybean in cereal rye mulch
Soil Building Practices in Organic Annual Grain Systems - Articles Articles

Soil Building Practices in Organic Annual Grain Systems

Barbara Baraibar Padro, John Wallace, Ph.D., Mary Barbercheck, Ph.D., Ron Hoover, Rebecca Champagne, William Curran

Strategies within cover crop-based, rotational no-till systems to build soil quality and reduce tillage frequency and intensity. More
What is INCORRECT in this photo?
Are you a Pesticide Storage Master or Amateur? - Articles Articles
Follow these practices for safe pesticide storage. More
Figure 1. Hairy vetch-triticale cover crop being rolled
Terminating Cover Crops With a Roller Crimper in Organic Grain Rotations - Articles Articles

Terminating Cover Crops With a Roller Crimper in Organic Grain Rotations

Barbara Baraibar Padro, John Wallace, Ph.D., Mary Barbercheck, Ph.D., Ron Hoover, Clair Keene, William Curran

Optimizing timing of hairy vetch and cereal rye rolling can prevent incomplete cover crop termination. More
Apple rootstock in tissue culture: Photo by Yongjian Chang, North American Plants Inc.
Advances in Rootstock Genetics and Breeding - Articles Articles
Developing new fruit rootstocks and cultivars using traditional breeding techniques is a slow process because a new rootstock must have many desirable characteristics without many undesirable traits. More
Drip irrigation in orchard. Photo: Long He, Penn State
Drip Irrigation for Tree Fruit Orchards in Pennsylvania - Articles Articles
Irrigation is the application of controlled amounts of water to plants at needed intervals. More
Adult spotted lanternflies. Photo Credit: E. Smyers
Control de la Mosca Linterna con Manchas para el Público en General - Articles Articles

Control de la Mosca Linterna con Manchas para el Público en General

Heather L Leach, Dave Biddinger, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D.

Las MLM son una plaga invasora destructiva que amenaza la agricultura, la industria maderera y ornamental y las plantas de jardín. More
Spotted lanternfly feeding on grapevine. Image by Erica Smyers.
Updated Insecticide Recommendations for Spotted Lanternfly on Grape - Articles Articles
Insecticide recommendations for spotted lanternfly in grape, updated January 2019. More
Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit
Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit - Articles Articles
Insecticide recommendations for spotted lanternfly in tree fruit, updated January 2019. More
Getting a good stand takes a well-maintained planter, especially in tough no-till conditions. Photo by Sjoerd Duiker
Planter Maintenance - Articles Articles

Planter Maintenance

Sjoerd Willem Duiker, Ph.D., CCA

Winter is a good time to work on planter maintenance to prevent breakdowns or poor performance at planting time. Planter maintenance is essential for optimal no-till results. More
Research Spotlight: Bale Density Effects on Baleage Quality
Research Spotlight: Bale Density Effects on Baleage Quality - Articles Articles

Research Spotlight: Bale Density Effects on Baleage Quality

Marvin Hall, Ph.D., Jessica A. Williamson, Ph.D.

This Research Spotlight examining bale density and its effect on baleage quality confirms attention to forage maturity, moisture, timely wrapping and density result in quality baleage. More
TheDigitalWay on pixabay.com CC0
Are You Pricing Your Custom Services Correctly? - Articles Articles
The prices you set for your services should move you toward achieving your long-term business goals. At the same time, consider how you are looking to position yourself in the business landscape. More
Cucumber
Cucumber Production - Articles Articles

Cucumber Production

Elsa Sanchez, Ph.D., Francesco Di Gioia, Ph. D., Lynn Kime, Jayson K. Harper, Ph.D., Michael Orzolek, Ph.D., Steve Bogash

Multiple markets exist for growers with fewer than 5 acres, and many field operations, such as land preparation, planting, and harvesting, can be custom hired. More
Parasteatoda tepidariorum female. Photo by Steven Jacobs, Penn State Extension
Common House Spider - Articles Articles

Common House Spider

Steve Jacobs

Parasteatoda tepidariorum is widely distributed throughout the world. It commonly constructs webs in the corners of walls and windows in houses and barns. More
Steatoda grossa female. Photo by Steven Jacobs, Penn State Extension
False Black Widow Spider - Articles Articles

False Black Widow Spider

Steve Jacobs

The false black widow is found in the coastal states of the Atlantic, Gulf, and Pacific regions. It is a common spider in homes and other structures. More
Loxosceles reclusa male. Photo by Richard Vetter
Brown Recluse Spiders - Articles Articles

Brown Recluse Spiders

Steve Jacobs

Eleven species of Loxosceles are indigenous to the continental United States, four of which are known to be harmful to humans. More
Paraphidippus aurantius female. Photo by Isa Betancourt, BugGuide.net, photo# 1031635
Emerald Jumper - Articles Articles

Emerald Jumper

Steve Jacobs

This colorful spider had not been recorded previously in Pennsylvania. However, it has been identified in Delaware, Maryland, Virginia, and ten other states. More
Phidippus audax showing green chelicerae. Photo by Ryan Kaldari, WikiMedia
Bold Jumper Spider - Articles Articles

Bold Jumper Spider

Steve Jacobs

The jumping spiders are small, compact hunting spiders. Phidippus audax is the most common jumping spider seen in and around Pennsylvania homes. More
Pholcus phalangioides. Photo by Anita Gould, Flickr
Longbodied Cellar Spider - Articles Articles

Longbodied Cellar Spider

Steve Jacobs

The longbodied cellar spider has extremely long legs and is found in many types of buildings throughout the year. It is not known to be in any way harmful. More
Cheiracanthium inclusum male. Photo by Steven Jacobs, Penn State Extension
Agrarian Sac Spider and Longlegged Sac Spider - Articles Articles
Sac spiders are found on foliage; under leaf litter, stones, and boards; on buildings under windowsills and siding; and in wall and ceiling corners in homes. More
Salticus scenicus female. Photo by Steven Jacobs, Penn State Extension
Zebra Jumper - Articles Articles

Zebra Jumper

Steve Jacobs

This spider, originally from Europe and Asia, is found sporadically from Nova Scotia to British Columbia, south to Georgia, and westward to Colorado. More
Eris militaris. Photo by Lynette Elliott, BugGuide.net, photo# 457511
Bronze Jumper - Articles Articles

Bronze Jumper

Steve Jacobs

This spider is found throughout most of the continental United States and Canada. More
Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5