Cloudy weather, rainstorms, and variable temperatures across the state have slowed some crops and created very favorable conditions for disease development.
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.
Since the last carbohydrate model report on May 25, last Friday, weather conditions were optimal to induce fruit drop due to chemical thinner application.
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.
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.
The Penn State Fruit Research and Extension Center (FREC) is currently conducting needs assessments and would like to hear from Pennsylvania tree fruit growers.
Soil pH in a Survey of 27 High Tunnels in Pennsylvania
Vegetable production is becoming big business in Pennsylvania and the numbers seem to back it up.
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.
We finished our May twilight meetings yesterday with the meeting in North East, PA. Beginning on Tuesday of this week most of our travel weather was overcast with much heavy rain.
It’s no secret that this spring has been cold and wet across Pennsylvania. On many farms, planting has been delayed as much as three weeks, and many crops already in the ground are developing more slowly than usual.
Orchards in Adams County were hit with hail on the afternoon of May 10, when the trees were at petal fall. In the following days, other locations in SE and Central PA also suffered hail damage.
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.