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Guidelines for Producing Unpasteurized Cider in Pennsylvania
Guidelines for Producing Unpasteurized Cider in Pennsylvania - Articles Articles

Guidelines for Producing Unpasteurized Cider in Pennsylvania

Luke LaBorde, Ph.D., Robert Crassweller, Ph.D.

This publication explains how to follow established food safety and sanitation standards that minimize the risk for contamination. More
Los medios de las hileras podados cuidadosamente facilitan ver a los depredadores y atrapar roedores. Foto: Rob Crassweller
MIP – Prácticas de Manejo en la Postcosecha - Articles Articles
Después de completar la cosecha, tómese el tiempo para el manejo estratégico de las malezas, la vida silvestre y los niveles de nutrientes de los árboles. More
Manejo de Vida Salvaje en la Huerta-Roedores
Manejo de Vida Salvaje en la Huerta-Roedores - Articles Articles

Manejo de Vida Salvaje en la Huerta-Roedores

Robert Crassweller, Ph.D., Tara Baugher

Las poblaciones de roedores muestran fluctuaciones distintivas de la población de aproximadamente 4 ciclos anuales. More
Bitter pit showing up on apples at harvest.
Preharvest Assessment of the Potential for Bitter Pit in Honeycrisp - News News
This article describes a new test methodology that is available for growers that are interested in trying to predict the potential for a lot of fruit to develop bitter pit in storage. More
Excessive vigor from high nitrogen applications. Photo: Rob Crassweller, Penn State
Orchard Nutrition: How Do You Know What Fertilizers You Need? - News News
We are now into the main portion of the growing season for our tree fruits and over the hump of the early season pests and disease problems. Therefore, you can relax until harvest – right? More
Figure 1. Delicious fruit size on June 4, 2018 at Rock Springs, PA. Photo: Rob Crassweller, Penn State
Last Carbohydrate Model Run for 2018 - News News
As of June 11, 2018, most areas of the state are now at or beyond 30 days after reported full bloom. More
Carbohydrate Model Run - June 4 2018
Carbohydrate Model Run - June 4 2018 - News News
The high temperatures experienced in most of Pennsylvania last week were relieved Saturday into Sunday as rain moved across the state. More
Discoloration of developing fruitlets indicating they will be dropping. Photo: Rob Crassweller, Penn State
Carbohydrate Model Run: May 30, 2018 Ideal Weather for Thinning - News News
Since the last carbohydrate model report on May 25, last Friday, weather conditions were optimal to induce fruit drop due to chemical thinner application. More
Cornell Carbohydrate Model Run: May 25, 2018
Cornell Carbohydrate Model Run: May 25, 2018 - News News
Warm temperatures are affecting thinning. Most stations across the state are forecasting high temperatures to be in the 80’s today and for the next several days. More
M27 trees in bloom. Photo: Rob Crassweller, Penn State
Cornell Carbohydrate Model Run: May 21, 2018 - News News
Saturday in central Pennsylvania was overcast all day with early morning rain followed by rain on Sunday morning and then sun in the afternoon. More
Photo: Rob Crassweller, Penn State
Carbohydrate Model Run: May 18, 2018 Thinning Weather Has Changed - News News
We finished our May twilight meetings yesterday with the meeting in North East, PA. Beginning on Tuesday of this week most of our travel weather was overcast with much heavy rain. More
Carbohydrate Model Run: Thinning Time is Here!
Carbohydrate Model Run: Thinning Time is Here! - News News
It looks like spring finally arrived in the last two weeks and many orchards are thinning apples. More
Use the ‘Help‘ link in our website navigation bar.
NEWA Off-Hours Incident Reporting - News News
The recent launch of our Network for Environment and Weather Applications (NEWA) Help Desk isn’t simply a way to send us an email or casual message. More
Empire buds. Photo: Rob Crassweller, Penn State.
Carbohydrate Model Update: April 24, 2018 - News News
As I prepare this note on the status of the carbohydrate model results, we still have two sites that have not reached green tip (GT). More
April 2 snow at Rock Springs. Photo: Rob Crassweller, Penn State
NEWA IPM Monitoring Available for Growers - News News
Funding from the SHAP Extension Committee has purchased a statewide membership to the NEWA IPM Monitoring system for 2018. 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
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
Trellis in apple orchard
Trellis Construction Workbook - Tools and Apps Tools and Apps

Trellis Construction Workbook

Robert Crassweller, Ph.D., Tara Baugher, Lynn Kime

This tool will assist growers with the decision making process of determining the cost of two trellis systems. More
Buy-and-Fly Orchard Management Using Unmanned Aircraft
Buy-and-Fly Orchard Management Using Unmanned Aircraft - News News
Using unmanned aircraft technology to help growers with orchard management. More
Please Participate in Our Online NEWA Survey!
Please Participate in Our Online NEWA Survey! - News News
Help us build our new Network for Environment and Weather Applications (NEWA) website! More
Climate Change and Orchards, Part 4: Managing Orchards in a Changing Climate
Climate Change and Orchards, Part 4: Managing Orchards in a Changing Climate - Videos Videos
As tree fruit growers, you will need to adjust your management practices to adapt to climatic changes, potentially using some of the options discussed in this video. More
Climate Change and Orchards, Part 1: What Changes Have Already Occurred?
Climate Change and Orchards, Part 1: What Changes Have Already Occurred? - Videos Videos
As you’ve just seen, the evidence behind climate science indicates that a number of changes have already occurred, which have had an impact on orchards. More
Climate Change and Orchards, Part 2: Seasonal Shifts
Climate Change and Orchards, Part 2: Seasonal Shifts - Videos Videos

Climate Change and Orchards, Part 2: Seasonal Shifts

Robert Crassweller, Ph.D.

6:34

A changing climate may cause winters in the temperate zones to become milder and growing seasons have lengthened. Both of these shifts could have a big impact on orchard production and management. More
Climate Change and Orchards, Part 3: Changes in Weather and Pest Populations
Climate Change and Orchards, Part 3: Changes in Weather and Pest Populations - Videos Videos
The occurrence of intense and erratic weather poses the most serious threat to fruit production. A changing climate also means changes in pest populations. More
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