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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
Summary of Apple Fruit Maturity During August and September 2018
Summary of Apple Fruit Maturity During August and September 2018 - News News
This year’s bloom was later than in 2017. With a later bloom and a cool rainy season, we initially wondered when this year’s apple crop would be ready to pick. More
Photo: Tara Baugher, Penn State
Scarf Skin Reduction Trials in Grower Orchards Show Promise - News News
Scarf skin is a physiological disorder of apple fruit that causes a dull gray cloudy or waxy appearance on the surface of the peel (epidermis) where it is most readily observed on varieties with a red or dark red background. More
2018 Maturity Assessment: Weeks Nine and Ten
2018 Maturity Assessment: Weeks Nine and Ten - News News
The hot, wet summer weather continues to affect our apple crop. While size is not a problem, red color development continues to be problematic in most varieties. More
2018 Apple Maturity Assessments: Week Eight
2018 Apple Maturity Assessments: Week Eight - News News
This week we added Autumn Crisp, Daybreak Fuji, and CrimsonCrisp to our evaluations. More
Daybreak Fuji fruit size and color in Adams County Pennsylvania on September 6, 2018. Photo: Tara Baugher, Penn State
2018 Apple Maturity Assessments: Week Seven - News News
Many locations in the Mid-Atlantic States recorded above-average temperatures and rainfall during August. These warm temperatures retarded red color development and reduced soluble solids (sugars) in Honeycrisp apples. More
Figure 1. Tree-ripe Gala (Kidd’s D-8) apple picked in Central Maryland on August 29, 2018. This apple had a visible stem-end crack, with little starch (blue stain) in the flesh. Photo credit: Kathy Hunt, University of Maryland
2018 Apple Maturity Assessment: Week Six - News News
While Gala is a small apple, its flavor and heat tolerance has made it a mainstay of the August harvest. 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
Bitter rot on apple and pear fruit is caused by the pathogenic fungi Colletrotrichum gloeosporioides and C. acutatum. Photo: Kari Peter, Penn State
Wanted: Bitter Rot of Apple Samples From Pennsylvania Growers - News News
The Tree Fruit Pathology Lab at the Fruit Research and Extension Center is seeking apples infected with the fungus causing bitter rot from around the state of Pennsylvania in commercial orchards. More
Color sorting Premier Honeycrisp apples in the laboratory for storage trials. Photo: Chris Walsh, University of Maryland
2018 Apple Maturity Assessments: Week Five - News News
The Premier Honeycrisp harvest is ending as the Honeycrisp and Gala are maturing. More
Photo credit: Chris Walsh, University of Maryland
2018 Apple Maturity Assessment: Week Four - News News
We have been monitoring Premier Honeycrisp maturation and tree ripening for the past three years. Every year we are surprised how quickly they move from un-ripe to tree-ripe and then begin to drop. More
2018 Apple Maturity Assessment: Week Three
2018 Apple Maturity Assessment: Week Three - News News
Premier Honeycrisp apples are ripening quickly and Mid-Atlantic growers have begun picking. More
Growers with Premier Honeycrisp plantings should monitor fruit maturity and be ready to pick this early variety. Photo: Chris Walsh, University of Maryland
2018 Apple Harvest: Where Are We Now? - News News
Apple bloom in 2018 was later than bloom in 2017. With a later bloom and a cool rainy season, we’re all wondering when this year's apple crop will be ready to pick. 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
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
It is important to monitor your orchard site for conditions. Photo: Kari Peter, Penn State
Disease Update: More Advice for Limiting Fire Blight Spread - News News
Fire blight symptoms are widespread throughout Pennsylvania and Maryland. Growers are encouraged to use Apogee or Kudos to shut down tree growth to limit the spread of the disease in orchards. 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
Figure 1. One-inch diameter hail stones fell at the Fruit Research and Extension Center, May 10, 2018. Photo: Jim Schupp, Penn State
Chemical Thinning After an Early Season Hail Storm - News News
Orchards in Adams County were hit with hail on the afternoon of May 10, when the trees were at petal fall. In the following days, other locations in SE and Central PA also suffered hail damage. More
Is It Okay to Concentrate Chemical Thinners?
Is It Okay to Concentrate Chemical Thinners? - News News
Most pomologists prefer not to concentrate thinners. For a thinner to work, it must be applied, absorbed, and translocated in sufficient concentration so as to create a transient stress. 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
Petal fall. Photo: Tara Baugher, Penn State
Begin Treatments Now for Scarf Skin and Russet - News News
Petal fall is occurring in most orchards in Pennsylvania and signals the time for the first spray treatments for scarf skin and russet. More
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