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Tips and tricks to mitigate 2018 disease problems this fall. Photo: K. Peter, Penn State.
Tree Fruit Disease Management: Final Touches on the 2017 Season - News News
Growers can get a jump on management for this fall to control fungal and bacterial disease in apples and stone fruit to mitigate problems in the 2018 season. More
2017 Apple Maturity Assessments – Week Eight and Nine
2017 Apple Maturity Assessments – Week Eight and Nine - News News
Apple harvest in 2017 has been well ahead of “normal.” To update you on late season apples, this week we sampled Nagafu Fuji and GoldRush. More
2017 Apple Maturity Assessments - Week Six
2017 Apple Maturity Assessments - Week Six - News News
Daybreak Fuji and Olympic Asian Pear are ten days ahead of last year. More
Codling moth injured apple fruit. Photo: G. Krawczyk, Penn State
Entomology Update for August 30, 2017 - News News
As harvest approaches and the bins are being moved to the orchard, we need to remember that a number of important pests are still present in the orchards. More
Brown marmorated stink bug adult on apple. Photo: G. Krawczyk, Penn State
Insect Bytes for July 20, 2017 - News News

Insect Bytes for July 20, 2017

07/21/2017

Pheromone traps are the best indicators for controlling CM and OFM. Detection of live BMSB nymphs in traps placed in orchards warrants an immediate insecticide application. More
Japanese beetles feeding on nectarine fruit. Photo: G. Krawczyk, Penn State
Insect Bytes for July 07, 2017 - News News

Insect Bytes for July 07, 2017

07/07/2017

Japanese beetles (JB) are frequently being observed in most fruit orchards and causing severe injuries to foliage by skeletonizing of leaves. More
Time to Download the 2017 Spray Record-Keeping Spreadsheet
Time to Download the 2017 Spray Record-Keeping Spreadsheet - News News
The updated Penn State Extension Spray Record-Keeping Spreadsheet for apples, pears, peaches, and cherries is now available from Penn State Extension. More
Codling moth injured apple fruit. Photo: G. Krawczyk, Penn State
Weekly Insect Bytes for May 19th, 2017 - News News
During a normal season in orchards with a pest pressure, the seasonal management of the codling moth (CM) larvae should be initiated at around 250 DD50 after the biofix. More
Plum Curculio adult on young apple fruit. Photo: G. Krawczyk, Penn State
Weekly Insect Bytes for May 05, 2017 - News News
All pheromone traps for monitoring the most common fruit pests should already be in place in orchards. More
Peach shoot injured by Oriental fruit moth larvae. Photo: G. Krawczyk, Penn State
Early Season Management of Insect and Mite Pests in Orchards - News News
The warm weather and the accumulation of degree days, which in Pennsylvania are on pace with 2012 spring conditions, moved the development of plants and insect pests very rapidly forward. More
Oriental fruit moth adult. Photo: G. Krawczyk
Insect Bytes for April 15, 2017 - News News

Insect Bytes for April 15, 2017

04/14/2017

Despite the calendar indicating just the middle of April, all stone fruits and even some apple cultivars in southern Pennsylvania are already in bloom. 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
Tyvek® tree guard. Photo: Rob Crassweller
Tyvek® as a Tree Guard - News News

Tyvek® as a Tree Guard

03/10/2017

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
Dormant copper sprays are encouraged to help keep diseases in check. (Photo: K. Peter)
Disease Management Strategies For The Grower Radar - News News
Consider applying dormant sprays soon to manage fungal and bacterial diseases this season. More
Be sure to remove cankers from trees when pruning. (Photo: K. Peter)
More Tree Fruit Disease Management Tips For 2017: Canker Management - News News
Sanitation is the best offense for disease management, especially when it comes to canker removal. More
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