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Sanitation will be critical for managing disease for the 2019 season. Photo: K. Peter, Penn State
Disease Update: Cleaning Up the Messy 2018 Season - News News
There were many diseases affecting tree fruit growers in 2018. Sanitation will be very important while preparing for the 2019 season. More
Leaf infected with Marssonina. Photo: K. Peter, Penn State
Apple Disease - Marssonina Blotch - Articles Articles

Apple Disease - Marssonina Blotch

Kari A. Peter, Ph.D.

Marssonina blotch, caused by Marssonina caronaria, is a foliar disease first identified in Pennsylvania in September 2017. More
Photo: Tara Baugher, Penn State
Fruit Disorders: Prevention of Scarf Skin on Apple Fruit - 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
Symptoms of potassium deficiency.
Assessing and Managing Potassium Concentration in the Vineyard - Articles Articles
Potassium (K) plays a critical role in many plant physiology and biochemistry processes such as photosynthesis, osmoregulation, and enzyme activation. 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
Tree Fruit Disease Toolbox - Fungicide Resistance Management
Tree Fruit Disease Toolbox - Fungicide Resistance Management - Articles Articles
Resistance has sometimes resulted in pest-management-program failures. Below are presented tactics to help delay resistance to fungicides. More
Photo: Worker Protection Standard (WPS) Respiratory Protection Guide, Pesticide Educational Resources Collaborative, Rev. October 2017
Respirator Fit Test - News News

Respirator Fit Test

03/27/2018

As growers are aware, the Worker Protection Standard (WPS) requirements for handlers of agricultural chemicals have changed. More