Latest News

Penn State Extension news for vegetable and small fruit producers.
July 28, 2017

For growers going to Ag Progress Days August 15, 16 and 17 you can pick up free Worker Protection Standard materials at the Rural Health and Safety Tent at the corner of Demo Alley and W. 6th street.

European corn borer larvae.
July 26, 2017

All pest species are increasing. Spikes of corn earworm are starting, and sap beetle problems have been occurring.

Map of cucurbit downy mildew currently reported along the east coast as of 26 July 2017 (
July 26, 2017

The rainy weather is not letting up and neither is downy mildew pressure.

Map of cucurbit downy mildew currently reported along the east coast as of 20 July 2017 (
July 20, 2017

New reports of downy mildew on cucumber are being confirmed daily, although to date there are no confirmed reports of late blight in Pennsylvania. Keep an eye out for early blight and Septoria leaf spot in commercial tomato fields.

European corn borer larvae (left) adults (right). Photo: ©Marlin E. Rice
July 20, 2017

Corn earworms are low in most locations, European corn borer infestations are spotty, and fall armyworm immigration has started.

Fall Armyworm feeding in vegetative corn. Photo: S. Fleischer, Penn State
July 7, 2017

Corn earworm (CEW) has been detected in all 30 trapping sites.

Spotted wing drosophila male under a berry. Photo: K. Demchak
July 3, 2017

Given the mild winter and earliness of berry crops this year, it’s not a big surprise that spotted wing drosophila presence is early, too.

Map of cucurbit downy mildew currently reported along the east coast as of 30 June 2017 (
June 30, 2017

Be on the lookout for downy mildew on cucumber and cantaloupe. Diseases such as Phytophthora blight, blackleg on potato and bacterial diseases that spread in some of the recent rain events that moved across the Pennsylvania as well as timber rot in high tunnel tomatoes.

Corn Earworm is present in most sites, and above spray thresholds for silking corn in Blair and Washington County. Photo: S. Fleischer, Penn State
June 29, 2017

Corn earworm (CEW) is exceeding thresholds throughout the state and European corn borer (ECB) in Bradford County to the northeast. Silking corn will be very attractive to early-season moths.

Spud Flag developed by Bill Lamont Dayton Reese and Mike Orzolek, shown here with two summer student employees.
June 27, 2017

Bill Lamont, Penn State Professor of Plant Science and Vegetable Extension Specialist shares some thoughts as he prepares to retire.

June 20, 2017

Huntsinger Farm Inc. in Hegins, Pennsylvania specializes in potato production, packing, and wholesale marketing.

Spotted lanternfly 4th instar nymphs. Photo: E. Swackhamer, Penn State
June 2, 2017

Lycorma delicatula, commonly known as the spotted lanternfly (SLF), is a new invasive insect in southeastern Pennsylvania.

Allium leafminer adult on leek. Photo: Monica Ganser
May 30, 2017

The flight is over, but the war may have just begun! The larvae have taken hold and will remain steadfast as pupa throughout the summer.

May 26, 2017

Research could increase growers' yields while also improving quality and shelf life for consumers

Photo 1. Early symptom of orange rust. Photo: K. Demchak
May 26, 2017

Orange rust is a systemic disease, any plants propagated from infected plants will also be infected.

Photo: Norma Young, Penn State
May 24, 2017

Have you noticed lately that many interstate rest stops are now called text stops? While the ever growing ubiquity of the smartphone has come with some issues, there are many opportunities to use this technology to make our lives a little easier, even on the farm.

May 24, 2017

The Penn State Extension Tree Fruit team has put together an online survey for fruit growers that currently grow or are interested in growing apples for hard cider.

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.