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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
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
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
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
Postharvest fungicide sprays are necessary to prevent defoliation from cherry leaf spot. Photo: K. Peter, Penn State
Getting the Upper Hand on Tree Fruit Diseases in July - News News
Conditions may be optimal for several fungal and bacterial pome and stone fruit diseases in July. More
Brown marmorated stink bug injury on apple. Photo: G. Krawczyk, Penn State
Insect Bytes for June 23, 2017 - News News

Insect Bytes for June 23, 2017

06/23/2017

The flights of the first generation adults of tufted apple bud moth, obliquebanded leafroller and codling moth are almost completed in most Pennsylvania orchards. More
Photo 1. Obliquebanded leafroller injured new growth on apple tree. Photo: G. Krawczyk, Penn State
Insect Bytes for June 16, 2017 - News News

Insect Bytes for June 16, 2017

06/16/2017

The adults of the first generation tufted apple bud moth (TABM) and obliquebanded leafroller (OBLR) continue to fly in most Pennsylvania orchards. More
Be vigilant and scout for apple scab! Photo: K. Peter, Penn State
June Diseases for the Grower Radar - News News
Diseases for the fruit grower radar and their management strategies are discussed as we wrap up May and begin June. More
Too late to manage peach leaf curl when symptoms are present. Photo: K. Peter, Penn State
Disease of the Month: Peach Leaf Curl - News News
Peach leaf curl has caught many folks off guard this year. Tips for preventing the disease next season are discussed. More
Protect any trees still in bloom: Fire blight conditions ideal April 29 through May 2. (Photo: K. Peter)
Fire Blight, Apple Scab, Rust, Plus Others: Be On Alert! - News News
Conditions are optimal for fire blight, apple scab, and rust infections. Growers are encouraged to keep trees protected. Other diseases for the fruit grower radar are also discussed. 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
Time to Download the 2018 Spray Record-Keeping Spreadsheet
Time to Download the 2018 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