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Codling moth male adult in pheromone trap. Photo: G. Krawczyk, Penn State
Insect Bytes for June 02, 2017 - News News

Insect Bytes for June 02, 2017

08/31/2017

The tufted apple bud moth (TABM), obliquebanded leafroller (OBLR) and codling moth (CM) continue their flights in most orchards across Pennsylvania. 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
Photo: K. Demchak, Penn State
Spotted Wing Drosophila Update - News News

Spotted Wing Drosophila Update

09/13/2017

Clouds of spotted wing drosophila are still around our raspberries, and it’s apparent this pest is going to be a challenge every year for the foreseeable future. More
Excessive vigor leads to poor calcium levels. Photo: Rob Crassweller
A Look Back on 2016 and Calcium Problems - News News
We heard and saw many problems with calcium deficiencies in commercial orchards this past year. More
Moldy core in Red Delicious. (Photo: K. Peter)
Moldy Core Of Apple - News News

Moldy Core Of Apple

08/31/2017

Moldy core is characterized by the growth of fungus mycelium within the apple fruit seed cavity, without penetration into the flesh of the fruit. More
Copper sprays need to be applied prior to bud swell to manage peach leaf curl. (Photo: K. Peter)
Disease Update: Copper Sprays and Orchard Sanitation to Manage Diseases - News News
Depending on your location, the warm weather over the last few weeks may have pushed some fruit trees along. For disease management, consider applying dormant copper and urea sprays soon. More
Figure 1. Grape Berry Moth adult on Concord leaf. Photo: Andy Muza, Penn State
Grape Berry Moth – A Serious Pest of Table Grapes in Pennsylvania - News News
Grape Berry Moth (GBM) is an insect in the Order: Lepidoptera (moths and butterflies) and Family: Tortricidae. More
Spotted wing drosophila male under a berry. Photo: K. Demchak
Spotted Wing Drosophila Season Is Early This Year - News News
Given the mild winter and earliness of berry crops this year, it’s not a big surprise that spotted wing drosophila presence is early, too. More
Growers need to be on alert for apple scab infection period this week. (Photo: K. Peter)
Disease Update: Scab Infection Period March 27–April 1 - News News
Due to the presence of green tip on early varieties of apples combined with rain and mild temperatures occurring this week, we are in our first apple scab infection period for 2017. More
Field Guide to Tree Fruit Disorders, Pests, and Beneficials
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
Satsuma plum in bloom. Photo: T. Baugher
“Spring” Weather in February - News News
While I panicked in February, the warm March weather slowed flower development and as it turned out, March was colder than February. More
Oriental fruit moth adult. Photo: G. Krawczyk
Insect Bytes for April 15, 2017 - News News

Insect Bytes for April 15, 2017

08/31/2017

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
Control for fire blight and apple scab is critical during bloom. (Photo: K. Peter)
Disease Update: Watch Out For Diseases during Apple Bloom - News News
Bloom is well underway in parts of PA and MD. Fire blight and scab disease conditions are in full force now. Growers are encouraged to protect trees. More
Photo: Tara Baugher, Penn State
Carbohydrate Model Run for April 20, 2017 - News News
Warm weather this past weekend pushed apple flower development, and growers will be looking for windows of opportunity for the application of chemical thinners. More
Be proactive about fire blight management: Let’s not repeat 2014. (Photo: B. Lehman)
Disease Update: Blossoms Still Open—Fire Blight Risk Continues - News News
Conditions are favorable for fire blight and apple scab. Additional tools for the fire blight management toolbox are discussed. More
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