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Penn State Extension news for vegetable and small fruit producers.
Aerial image of Penn State’s research hopyard at Rock Springs. Photo by T. Delvalle, Penn State
May 16, 2017

You probably have heard of (or observed) the use of small unmanned aircraft systems (sUAS) throughout the country; whether it be for fun, a hobby, for capturing great aerial pictures, or commercial use.

Adult female making feeding damage. Photo by André Mégroz
May 15, 2017

Does Allium Leafminer dislike rainy days too? Or is the population truly declining?

Transplanting by hand can be labor-intensive.
May 10, 2017

Stand establishment is one of the most critical steps in producing a successful crop of vegetables.

Allium leafminer female making feeding damage. Photo Tim Elkner
May 2, 2017

Protect every chive, onion and garlic! The allium leafminer is here!

April 28, 2017

A summer Vegetable and Fruit Field Day at Penn State’s Russell E. Larson Agricultural Research Center is being planned for July 12th!

Different dormant plant sizes. Photo: K. Demchak, Penn State
April 28, 2017

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.

Photo: iStockphoto.com
April 27, 2017

The following should be considered when developing a fertilizer program for potato production.

Photo: Tianna Dupont
April 27, 2017

Many vegetable crops are started in the greenhouse as transplants, and then planted out into the field for crop production.

Toigo Organic Farms sign. Photo: Bill Lamont
April 27, 2017

Toigo Organic Farms is a 5 acre greenhouse farm that grows primarily tomatoes year-round, along with some eggplants and peppers.

Carrot transplants are grown in large quantities in Italy. They must be transplanted before the taproot reaches the bottom of the tray cell. Photo: G. Rampinini
April 19, 2017

Before the widespread use of plastic mulch, drip irrigation, high tunnels and greenhouse production, there seemed to be a clear line of demarcation between vegetables that could be transplanted, and those that had to be seeded directly into the field. Grower innovations have nearly erased that line.

Allium leafminer feeding damage on early green onions. Picture taken 16 April 2017 by S.McDermott.
April 17, 2017

The spring season has begun! This past week, April 11th to April 17th, we had more local damage reported. We expect populations to increase over the coming two weeks so control measures should be taken.

Bean seedlings damaged by seedcorn maggot. Copyright Melodie Putnam 2008, Oregon State University
April 14, 2017

We are starting to see infestations of maggots in greenhouse transplants that look a lot like what we saw last year, which led to field infestations that probably started when growing the transplants. However, this year reports are coming in about 2 to 3 weeks earlier. Several species from the same genus (Delia) cause the damage.

Female Allium Leafminer making distinct damage pattern. By Tim Elkner
April 11, 2017

The spring season has begun! This past week (April 3 to April 9) we had our first damage sighting. We've also had field collected pupa emerge over the weekend suggesting the beginning of adult activity.

Paper wasps typically build their nest in high protected structures such as house or barn eaves.
March 31, 2017

Small fruit and vegetable growers understand the role that honeybees, bumblebees, and solitary bees play in pollination of crops.

Spotted wing drosophila male wing spots. Photo: David Biddinger
March 31, 2017

Please help out spotted wing drosophila researchers by completing the following survey.

Adult Allium Leafminer
March 31, 2017

The allium leafminer, Phytomyza gymnostoma, is a fly that originates from Poland, Germany, Austria and Spain, and was confirmed in 18 counties in Pennsylvania last year.

Blueberry buds breaking. Photo: Erutuon on Flickr.com (CC BY-SA 2.0)
March 31, 2017

Fluctuating temperatures can cause as much or more crop loss than cold winter temperatures or spring frosts.

March 31, 2017

The Mid-Atlantic Commercial Vegetable Production Guide is currently undergoing some much needed upgrading to improve both the editor and end-user experience.

Broad mites damage on bell pepper. Photo: Elsa Sánchez, Penn State
March 28, 2017

Broad mites are being observed more frequently on a variety of vegetable crops in the field, high tunnel, and greenhouse.