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Spotted Lanternfly
Spotted Lanternfly Lehigh County Public Meetings - Workshops Workshops
Discussion of the latest updates on the Spotted Lanternfly biology, control, and management in Lehigh County's affected townships. More
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Blueberry Growers School - Workshops Workshops

Blueberry Growers School


Leesport, PA

An all-day school for both current and prospective blueberry growers eager to learn more about producing a healthy and profitable crop. More
Spotted Lanternfly Information Session
Spotted Lanternfly Information Session - Workshops Workshops

Spotted Lanternfly Information Session


University Park, PA

Penn State Extension is sponsoring a free information session for members of the green industry, forest products industry and general public. More
Spotted Lanternfly - Pest Alert
Spotted Lanternfly - Pest Alert - Workshops Workshops

Spotted Lanternfly - Pest Alert


White Haven, PA

Spotted lanternfly is an invasive insect from Asia that has spread to 13 counties. Learn how to recognize spotted lanternfly and learn how to stop its spread. More
Spring Orchard Meetings
Spring Orchard Meetings - Workshops Workshops

Spring Orchard Meetings

Multiple Options Available

Penn State Extension has planned ten educational meetings for commercial tree fruit growers this spring. More
Pennsylvania Department of Agriculture,
Spotted Lanternfly Seminar - Workshops Workshops

Spotted Lanternfly Seminar


McConnellsburg, PA

Learn more about this invasive pest. More
USDA, university and private breeding programs have produced a number of new peach and nectarine cultivars in recent years.
Peach Cultivars - Articles Articles

Peach Cultivars

Robert Crassweller, Ph.D.

Peaches and nectarines are the second most important tree fruit crop grown in Pennsylvania. There has been and continues to be extensive breeding of new and improved cultivars. More
In pears, fruit firmness is probably the most reliable indicator of maturity.
Fruit Harvest - Pear Maturity Indices - Articles Articles

Fruit Harvest - Pear Maturity Indices

Robert Crassweller, Ph.D.

Pear maturity indices are not as reliable or consistent as those used for apples. The exception to this is firmness and possibly days after full bloom. More
In recognition of their work in eradicating Plum Pox Virus, research and industry partners received a USDA award. Pictured is Jim Lerew, one of the local growers recognized in the ceremony.
Plum Pox Eradication in PA - A Blueprint for Future Plant Disease Outbreaks - Articles Articles
In an increasingly global society, the transmission of viruses and various diseases has been facilitated through our own technologies. More
Photo by M. Seetin.
Pollinators and Pesticide Sprays during Bloom in Fruit Plantings - Articles Articles

Pollinators and Pesticide Sprays during Bloom in Fruit Plantings

Dave Biddinger, Ph.D., Kathy Demchak, Ed Rajotte, Ph.D., Tara Baugher

Use of pesticides during bloom is a complicated problem with the solutions relying on understanding the detailed relationships among chemicals, pollinators and pest management needs. More
Apple PGRs - Prevention of Preharvest Drop in Apple Orchards
Apple PGRs - Prevention of Preharvest Drop in Apple Orchards - Articles Articles
As apples mature, they begin to produce large amounts of the ripening hormone, ethylene. One of the ripening processes stimulated by ethylene is stem loosening. More
Return bloom of 8th leaf Honeycrisp/M.26 apple trees at FREC, May 1, 2015. Row on the left received no return bloom sprays. Row on the right received 3 “sides” of RB sprays - one spray of NAA and 2 sprays of ethephon - June/July, 2014.
Apple PGRs - Promoting Return Bloom - Articles Articles
A return bloom program should begin after the current year’s crop becomes unresponsive to chemical thinning but before the crop becomes sensitive to the ripening effects of NAA or ethephon. More
Growers dependent on honey bees must constantly maintain a delicate balance between protecting their crops from pests and pathogens and protecting pollinators.
Orchard IPM - Protecting Honey Bees - Articles Articles

Orchard IPM - Protecting Honey Bees

Dave Biddinger, Ph.D.

European honey bees are the primary managed pollinators in orchards because their abundance can be managed from year to year. More
Pruning and training are two different aspects of modifying naturally occurring growth patterns. Training involves tree development and form, whereas pruning involves tree function and size.
Fruit Tree Pruning - Basic Principles - Articles Articles

Fruit Tree Pruning - Basic Principles

Robert Crassweller, Ph.D.

Fruit growers manipulate tree canopies to maximize fruit production by pruning to remove limbs or shoots or by bending limbs or shoots in specific orientations. More
Plum Pox Virus - Replanting Stone Fruit in Sites Previously Affected by PPV
Plum Pox Virus - Replanting Stone Fruit in Sites Previously Affected by PPV - Articles Articles
Lifting the PPV quarantine in Pennsylvania offered the opportunity for a “fresh start” and growers must plan carefully to get the most from their investment. More
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