Penn State Extension
Penn State Extension


This fall as temperatures drop, dew periods extend, and the skies remain cloudy, be on the lookout for late blight and Botrytis gray mold in high tunnel tomatoes. More


New reports of cucurbit downy mildew have decreased across the region, but variable weather conditions are forecasted through the weekend. More


The drier conditions the past few days have slowed the epidemic spread of cucurbit downy mildew across the region. More


With all the flooding it is important to remember that crops that are exposed to flood waters originating from a stream or river are considered adulterated and should not be harvested for market. More


Cucurbit downy mildew is continuing to pick-up speed with many new reports on cucumber in Ohio, New York, and Massachusetts. More


Vegetable Disease Update: August 9, 2018
08/09/2018
Downy mildew is becoming more widespread on cucumber across Pennsylvania and has been confirmed on cucumbers in Centre, Clinton, Mifflin, Bucks, Lehigh, and Lancaster Counties. More


July started out dry and hot but transitioned quickly, with almost no warning, to very wet and hot. More


Vegetable Disease Update: August 1, 2018
08/01/2018
The wet weather is wreaking havoc in many vegetable fields. More


Vegetable Disease Update: July 26, 2018
07/26/2018
The current relentless rain is expected to intensify foliar bacterial diseases on many crops. Scouting for diseases and protection of crops will be critical in the upcoming days. More


Vegetable Disease Update: July 19, 2018
07/19/2018
No new reports of late blight since the confirmations on tomato in York County and on potato and tomato in southern Lancaster County a couple of weeks ago. More


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


Vegetable Disease Update: July 11, 2018
07/11/2018
The general shift to drier weather has slowed down disease development across the state. More


Vegetable Disease Update: July 5, 2018
07/05/2018
Downy mildew has most recently been confirmed on cucumber in southern New Jersey and Maryland. Late blight has been confirmed on tomato in York County and on potato and tomato in southern Lancaster County. More


Wet weather and variable temperatures across the state continue to be challenging for vegetable and berry production. More


Powdery mildew continues to be an annual concern in cucurbit production. More


Downy mildew has been confirmed in Dorchester County MD on cucumber, late blight confirmed on tomato transplants, and there have been a number of reports of poor potato seed emergence. More


Cloudy weather, rainstorms, and variable temperatures across the state have slowed some crops and created very favorable conditions for disease development. More


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


We have fielded a number of questions this winter about using hot water treatments for tomato and pepper seeds. More


Protecting your Poultry
Erin Greenleaf, Capri Stiles-Mikesell
10:03
This video will walk you through the many responsibilities that go along with a poultry project such as keeping your birds healthy, happy, and free from harm. More


Cómo Diagnosticar un Problema en la Planta – 101
Beth K. Gugino, Ph.D.
¿Hay algún problema con su planta? ¿Cuál es la causa? No asuma que sabe la respuesta y accidentalmente trate el problema equivocado. More


Frequently Asked Questions about Timber Rot on Tomato
Beth K. Gugino, Ph.D.
I lost a lot of tomato plants to Sclerotinia/White mold/Timber Rot this past season, while I’ve seen some in past years, why was it so bad this season? More


Vegetable Disease Updates: August 30, 2017
Beth K. Gugino, Ph.D.
Within the past week, there have been three separate reports of downy mildew on jack-o-lantern pumpkin in eastern Virginia. More


Late blight suspected in Lehigh County, PA. More


On August 15, 2017 late blight was confirmed on tomato in a commercial field in Cumberland County, PA. It has previously been reported in Chester and Indiana counties on tomato and/or potato. More