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Penn State Spray Record-Keeping Spreadsheet
Penn State Spray Record-Keeping Spreadsheet - News News
The downloadable Spray Record-Keeping Spreadsheet for tree fruit was updated for 2018, and it simplifies record-keeping for your packer and processor. More
Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit
Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit - Articles Articles
Insecticide recommendations for spotted lanternfly in tree fruit, updated August 2018. More
The Scholl Family
Twilight At-Market Workshop at Scholl Orchard - Workshops Workshops
The Scholl family will give a tour of their facility, give a history of their business and explain what makes their business successful. More
Tree Fruit Insect and Mite Control Toolbox - Pesticide Resistance Management
Tree Fruit Insect and Mite Control Toolbox - Pesticide Resistance Management - Articles Articles
A number of insect and mite pests have developed varying levels of resistance to some insecticidal chemistries over the years, including the organophosphates, carbamates, and pyrethroids. More
Tree Fruit Disease Toolbox - Fungicide Resistance Management
Tree Fruit Disease Toolbox - Fungicide Resistance Management - Articles Articles
Resistance has sometimes resulted in pest-management-program failures. Below are presented tactics to help delay resistance to fungicides. More
Female spotted lanternfly and her egg mass. Photo: Emelie Swackhamer, Penn State
Tree Fruit Insect Pest - Spotted Lanternfly - Articles Articles

Tree Fruit Insect Pest - Spotted Lanternfly

Grzegorz (Greg) Krawczyk, Ph.D.

The spotted lanternfly, Lycorma delicatula, an invasive plant hopper was first detected in Pennsylvania in the fall of 2014. More
Orchard Management: Cultivars, Rootstocks, and Training Systems
Orchard Management: Cultivars, Rootstocks, and Training Systems - Online Courses Online Courses
$119.00
This course is designed for beginning tree fruit growers. Learn how to select cultivars and rootstocks and how to plan your training and support systems. More
Orchard IPM - Field Guide to Tree Fruit Disorders, Pests, and Beneficials
Orchard IPM - Field Guide to Tree Fruit Disorders, Pests, and Beneficials - News News
This Penn State Extension publication, in Spanish and English, is designed for use by orchard employees - often the first individuals to detect a new occurrence of a fruit disease or insect pest. More
Ambrosia fruit. Photo: R. Crassweller, Penn State
Orchard Nutrition: Determining Orchard Fertility Needs - Articles Articles
The Mid-Atlantic region is blessed with an abundant supply of good fertile soils that can produce high quality deciduous fruit. More
Andrena on apple blossom. Photo: David Biddinger
Orchard Pollination: Wild Bees - Articles Articles

Orchard Pollination: Wild Bees

Dave Biddinger, Ph.D.

Managed pollinators like honey bees and mason bees are important pollinators for orchards, but research suggests that wild bees also contribute significantly to fruit tree pollination. More
Osmia cornifrons on an apple blossom. Photo: David Biddinger
Orchard Pollination: Solitary (Mason) Bees - Articles Articles
Growers of bee-pollinated crops, particularly apples, may be interested in the possible use of solitary bees as pollinators. More
Growers dependent on honey bees must constantly maintain a delicate balance between protecting their crops from pests and pathogens and protecting pollinators.
Orchard Pollination: Honey Bees - Articles Articles

Orchard Pollination: 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
The nearer the pollinizer to the producing tree, the better distribution by the bees of pollen to all blossoms. Crabapples are often used as pollinizers.
Orchard Pollination: Pollinizers, Pollinators and Weather - Articles Articles
Pollination involves the integration of several biological and physical factors, including cultivar compatibility, synchronous blooming, insects, and proper weather conditions. More
Nitrogen deficiency symptoms on peach, which can be prevented by leaf analysis and block-specific fertilization.
Orchard Nutrition: An Overview - Articles Articles

Orchard Nutrition: An Overview

Robert Crassweller, Ph.D.

Nutritional requirements of fruit trees differ from those of agronomic crops, cover crops, and orchard sod. More
Collect mid-shoot leaves on current season’s growth.
Orchard Nutrition - Sample for Foliar Analysis Mid-July to August - Articles Articles
Plant tissue analysis is used to directly measure the amount of nutrients in fruit trees, and for established perennial crops, is usually a better indicator of nutrient status than a soil test. More
Spring Orchard Meetings
Spring Orchard Meetings - Workshops Workshops
Penn State Extension has planned ten educational meetings for commercial tree fruit growers this spring. More
Tyvek® tree guard. Photo: Rob Crassweller
Orchard Weed Control - Protection of Tree Trunks - Articles Articles
Some of the burn-down herbicides have been implicated as possible causes of damage to young tree trunks that have green tissue on portions of the lower trunk. More
Top dominant trees in an older orchard. Photo: Rob Crasswellar, Penn State
Home Gardening: Pruning to Renovate Old Fruit Trees - Articles Articles

Home Gardening: Pruning to Renovate Old Fruit Trees

Robert Crassweller, Ph.D., Rich Marini, Ph.D., Tara Baugher, Timothy Elkner

Use judicious pruning to renovate older fruit trees in your home landscape. More
Soil testing throughout the project helps determine if any soil amendments are needed. Photo: Kristi Kraft
Start Farming: Establishing Farmers Prepare Fields for Fruit Trees - Articles Articles
"Models for the Future" demonstration plots showcase best management practices for producers in the establishing years of developing their farm enterprises. More
Orchard Weed Control - Part of an IPM Plan
Orchard Weed Control - Part of an IPM Plan - Articles Articles

Orchard Weed Control - Part of an IPM Plan

Robert Crassweller, Ph.D.

Applying herbicides in the fall is key to successful weed management. The application can also be part of an integrated management approach for other orchard pests like cat facing insects and rodents. More
Source: Cheryl Moorehead, Bugwood.org
Tree Fruit Insect Pest - Pear Slug - Articles Articles

Tree Fruit Insect Pest - Pear Slug

Grzegorz (Greg) Krawczyk, Ph.D.

The pear slug, Caliroa cerasi, resembles a slug in appearance, but it is actually a sawfly. More
Young aphids congregate closely around the stem mother. This habit soon causes the death of the infested leaves and the consequent migration of the aphids. Photo by G. Krawczyk.
Tree Fruit Insect Pest - Rosy Apple Aphid - Articles Articles

Tree Fruit Insect Pest - Rosy Apple Aphid

Grzegorz (Greg) Krawczyk, Ph.D.

The rosy apple aphid, Dysaphis plantaginea, has been a major pest of apple trees since the end of the nineteenth century. More
Oriental fruit moth are gray, with a wing spread of ¼ inch; the wings are gray with dark markings. Photo by G. Krawczyk.
Tree Fruit Insect Pest - Oriental Fruit Moth - Articles Articles

Tree Fruit Insect Pest - Oriental Fruit Moth

Grzegorz (Greg) Krawczyk, Ph.D.

Oriental fruit moth, Grapholita molesta, is a pest of most stone and pome fruits. In pome fruits, its appearance and injury is similar to that of the codling moth and lesser appleworm. More
Tree Fruit Insect Pests - Yellow Jackets and Hornets
Tree Fruit Insect Pests - Yellow Jackets and Hornets - Articles Articles
While greater opportunities for biological control of some apple pests exist in today's orchards, we are seeing a greater diversity of generalist predators. More
Several narrow white stripes run longitudinally along the top of the body, while a slightly wider, more distinct white line runs along each side. Photo by Greg Krawczyk.
Tree Fruit Insect Pest - Green Fruitworm - Articles Articles

Tree Fruit Insect Pest - Green Fruitworm

Grzegorz (Greg) Krawczyk, Ph.D.

The speckled green fruitworm, Orthosia hibisci, is the most common of several green fruitworm pests occurring in commercial orchards. More
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