Penn State Extension

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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
Photo 1. Codling moth larvae feeding inside the fruit. Photo: G. Krawczyk, Penn State
Tree Fruit Entomology Update for the End of August 2018 - News News
Pennsylvania has experienced a combined average per location of about 20 inches of rain during the last 5 weeks. 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
Early peaches. Photo: Don Seifrit, Penn State
Peaches: Harvest and Postharvest Handling - Articles Articles
Peach cultivars have different markers of quality at harvest that determine readiness to be picked, but all cultivars should be harvested in a fashion that allows for the best taste and storability. More
Tree Fruit Team Outreach
Tree Fruit Team Outreach - Articles Articles

Tree Fruit Team Outreach

Tara Baugher

Team accomplishment report for 2017. 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
Tiny, black, spherical structures are produced on stalks above the white mold. Each of these contains thousands of spores that are released to float in the air. Photo by K. Peter.
Stone Fruit Disease - Rhizopus Rot - Articles Articles

Stone Fruit Disease - Rhizopus Rot

Kari A. Peter, Ph.D.

Rhizopus rot, caused by Rhizopus nigricans, can be very destructive to harvested fruit. More
Bloom is still raging in the orchard. Stay vigilant for disease conditions! Photo: K. Peter, Penn State
Disease Update: Fire Blight and Scab Risk Continues This Week - News News
Bloom is occurring in Pennsylvania apple growing regions—fire blight conditions continue, available mature apple scab spores are very high, and an apple scab infection event is predicted for May 10, 2018. More
Protect your blossoms so they don’t look like this picture in a few weeks! Photo: K. Peter, Penn State
Disease Update: High Alert for Scab and Fire Blight Infection - News News
Severe fire blight and apple scab disease conditions are predicted for May 3–5, 2018! Protection is absolutely necessary! More
Apple bloom is right around the corner. Be on alert! Photo: K. Peter, Penn State
Disease Update: Apple Scab, Fire Blight, and Brown Rot This Week - News News
May 3–5 could be potential infection periods for apple scab and fire blight. Brown rot infection conditions favorable for open peach blossoms this week. More
Thinning Peach Blossoms: Increase Fruit Size and Reduce Labor Requirement
Thinning Peach Blossoms: Increase Fruit Size and Reduce Labor Requirement - News News
Peach blossoms are just starting to open this season, and full bloom will be more than a week later than normal. More
Peach Crop Load Management: Blossom Thinning and Fruit Size
Peach Crop Load Management: Blossom Thinning and Fruit Size - Articles Articles

Peach Crop Load Management: Blossom Thinning and Fruit Size

Tara Baugher, James Schupp, Ph.D., Paul Heinemann, Ph.D.

Many growers are hesitant to thin peaches at bloom because they fear the chance of bud loss to frost at this early stage of development. 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
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
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
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