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Gray mold sporulation has a dark gray, concentric ring pattern and may develop lesions on the surface of the plant stems. Photo: Beth K. Gugino, Penn State
Vegetable Disease Update: September 13, 2018 - News News
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
V-shaped lesions characteristic of black rot on the leaves of cole crops. Photo: Beth K. Gugino, Penn State
Vegetable Disease Update: September 6, 2018 - News News
New reports of cucurbit downy mildew have decreased across the region, but variable weather conditions are forecasted through the weekend. More
Irregular tan cracked lesions characteristic of anthracnose on a cucumber leaf. Photo: Beth Gugino, Penn State
Vegetable Disease Update: August 29, 2018 - News News
The drier conditions the past few days have slowed the epidemic spread of cucurbit downy mildew across the region. More
Powdery (white spots) and downy (dark spots) mildew sporulation on the lower pumpkin leaf surface. Photo: Beth Gugino, Penn State
Vegetable Disease Update: August 23, 2018 - News News
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
Small chlorotic lesions caused by downy mildew on the upper surface of acorn squash. Photo: Beth Gugino, Penn State
Vegetable Disease Update: August 16, 2018 - News News
Cucurbit downy mildew is continuing to pick-up speed with many new reports on cucumber in Ohio, New York, and Massachusetts. More
Reduced till straw mulch serving as a barrier between developing pumpkin fruit and bare soil protecting against soilborne pathogens that cause fruit rots. Photo: Beth Gugino, Penn State
Vegetable Disease Update: August 9, 2018 - News News
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
Corn earworm counts are rising throughout PA.
Vegetable - Small Fruit Production Issues: August 2, 2018 - News News
July started out dry and hot but transitioned quickly, with almost no warning, to very wet and hot. More
Downy mildew lesions on pumpkin. Photo: Beth Gugino, Penn State
Vegetable Disease Update: August 1, 2018 - News News
The wet weather is wreaking havoc in many vegetable fields. More
Angular leaf spot on the upper surface of a cucumber leaf. Photo: Beth Gugino, Penn State
Vegetable Disease Update: July 26, 2018 - News News
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
Downy mildew lesions on the upper surface of a cantaloupe leaf. Photo: Beth Gugino, Penn State
Vegetable Disease Update: July 19, 2018 - News News
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
Japanese beetle on raspberries. Photo: Kathy Demchak, Penn State
Vegetable - Small Fruit Production Issues: July 12, 2018 - News News
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
Septoria leaf spot on tomato. Photo: Beth Gugino, Penn State
Vegetable Disease Update: July 11, 2018 - News News
The general shift to drier weather has slowed down disease development across the state. More
Angular lesions caused by downy mildew. Photo: Beth Gugino, Penn State
Vegetable Disease Update: July 5, 2018 - News News
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
The potato leafhopper, Empoasca fabae, is a pest that is easy to overlook until the damage - called "hopperburn" - "burns" you. Photo: Penn State College of Agriculture
Vegetable - Small Fruit Current Issues: June 28 2018 - News News
Wet weather and variable temperatures across the state continue to be challenging for vegetable and berry production. More
Late season powdery mildew on pumpkin may severely weaken the handles and reduce marketability. Photo: Beth Gugino, Penn State
Powdery Mildew Management in Cucurbits for 2018 - News News
Powdery mildew continues to be an annual concern in cucurbit production. More
Irregularly shaped late blight lesion on a tomato leaf with characteristic white sporulation on the underside of the leaf. Photo: Beth Gugino, Penn State
Vegetable Disease Updates for Mid-June 2018 - News News
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
Black rot on cabbage, caused by the bacterium Xanthomonas campestris pv. campestris. Note characteristic “V” shaped lesions starting at leaf margin. Photo: Lee Stivers, Penn State
Vegetable - Small Fruit Current Issues: Mid-June 2018 - News News
Cloudy weather, rainstorms, and variable temperatures across the state have slowed some crops and created very favorable conditions for disease development. More
Figure 1. Caterpillar or sawfly? Accurate identification of the pest is critical when using bio-insecticides. Bt products will control small caterpillars, but would be ineffective on the sawfly larva shown in this photo.
Bio-insecticides in Greenhouse Ornamentals - Articles Articles

Bio-insecticides in Greenhouse Ornamentals

Ruth Benner, Lee Stivers

Bio-pesticides, also known as biological pesticides, are defined by the US EPA as pesticides derived from natural materials such as animals, plants, bacteria, fungi, and certain minerals. More
Pepper transplants. Photo: Tom Ford, Penn State
Vegetable - Small Fruit Current Issues: May 18, 2018 - News News
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
The use of a triple sink wash system in combination with a sanitizer can help reduce the risk of pathogen contamination in fresh fruits and vegetable.
Video Series Answers Questions About Sanitizers in Wash Water - News News
A Penn State Extension farm food safety video series is available for fruit and vegetable growers seeking more detailed information on farm food safety of harvested crops. More
Female cuckoo bee, Triepeolus remigatus. Photo by Alex Surcică, Penn State
Protecting Pollinators: What Role Can the Greenhouse Industry Play? - News News
The Center for Pollinator Research at Penn State University recently released the Pennsylvania Pollinator Protection Plan. More
Tools for Writing a Farm Food Safety Plan
Tools for Writing a Farm Food Safety Plan - Articles Articles

Tools for Writing a Farm Food Safety Plan

Luke LaBorde, Ph.D., Lee Stivers

Penn State Extension offers a set of templates, checklist and logs, to assist farmers of fresh fruits and vegetables in writing farm food safety plans. More
Image courtesy of wearebloom.org
BLOOM! A Movement to Improve the World Through the Power of Plants - News News
In response to rising plant blindness among American youth, a new campaign is inspiring young people to appreciate the plant world, and to see themselves engaged personally and professionally in that world. More
No Empty Chairs at Bilingual Workshop on GAP and Pruning Fruit Trees
No Empty Chairs at Bilingual Workshop on GAP and Pruning Fruit Trees - News News
On Saturday, April 7th, 2018, Penn State Extension offered a practical field training for Spanish-speaking growers and workers in the fruit industry. More
Video Series: Integrated Weed Management and Scouting
Video Series: Integrated Weed Management and Scouting - News News
Managing weeds is one of the most challenging aspects of growing fruits and vegetables for commercial sale. More
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