Pests and Diseases
Pests and Diseases
Recommendations for managing weeds, insects and diseases in fruit crops such as apples, pears, berries, cherries, peaches, grapes, pears and plums. Tips on using fungicides, antibiotics, insecticides and miticides.
A permit will be required to sell and move merchandise within and outside of the thirteen (13) county Quarantine area.
Heather L Leach, Michela Centinari, Ph.D.
This fact sheet provides identification, damage, quarantine, and management information for the spotted lanternfly, an invasive sap-feeding planthopper that feeds on the vine trunk, shoots, and leaves of grape plants, among other crops.
The Pennsylvania Department of Agriculture (PDA) is requiring Pennsylvania businesses to get spotted lanternfly (SLF) permits.
James Schupp, Ph.D.
In the letter below, Dr. Frost describes the challenges faced by the first scientists who started the Arendtsville Fruit Lab, which went on to become the Fruit Research and Extension Center.
First-generation flights of codling moth, tufted apple bud moth, and obliquebanded leafroller continue, second-generation Oriental fruit moth about to start, monitor for leafhoppers, woolly apple aphids, San Jose scales, and European red mites.
Penn State researchers are studying how feeding damage caused by the spotted lanternfly affects grapevine health and the quality and quantity of the fruit.
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.
This article will review the implications of molds and fruit rots on wine composition and quality and discuss remedial actions in the winery.
The warm wet weather the past couple of weeks together with high humidity is creating perfect conditions for a number of strawberry diseases.
Conditions were incredibly optimal for many tree fruit diseases during the month of May. Management strategies for pome and stone fruit diseases are discussed.
Reports of fire blight infections have started to occur. The dos and don’ts of managing fire blight infections are discussed.
Trees need to be protected during wet conditions. The following are strategies for keeping diseases in check on apple and stone fruit during persistent rainy weather.
The forecast for May 15–18 indicates conditions will be favorable for apple scab and bacterial spot on peach infections. If infections occurred during bloom, fire blight symptoms could begin to appear this week.
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.
Severe fire blight and apple scab disease conditions are predicted for May 3–5, 2018! Protection is absolutely necessary!
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.
Torino (FRAC Group U6) has a supplemental label to control powdery mildew on apples and cherries.
Tight cluster is the time powdery mildew spores become active. April 24 – 25, 2018 is a predicted scab infection period; be sure trees are covered with protection.