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Irregularly shaped late blight lesion on a tomato leaf with characteristic white sporulation on the underside of the leaf. Photo: Beth Gugino, Penn State
Vegetable Disease Updates for Mid-June 2018 - News News
Downy mildew has been confirmed in Dorchester County MD on cucumber, late blight confirmed on tomato transplants, and there have been a number of reports of poor potato seed emergence. More
Black rot on cabbage, caused by the bacterium Xanthomonas campestris pv. campestris. Note characteristic “V” shaped lesions starting at leaf margin. Photo: Lee Stivers, Penn State
Vegetable - Small Fruit Current Issues: Mid-June 2018 - News News
Cloudy weather, rainstorms, and variable temperatures across the state have slowed some crops and created very favorable conditions for disease development. More
Codling moth monitoring trap. Photo: Greg Krawczyk, Penn State
Insect Bytes: Pest Management Update for Mid-June, 2018 - News News
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. More
Figure 1. Delicious fruit size on June 4, 2018 at Rock Springs, PA. Photo: Rob Crassweller, Penn State
Last Carbohydrate Model Run for 2018 - News News
As of June 11, 2018, most areas of the state are now at or beyond 30 days after reported full bloom. More
Carbohydrate Model Run - June 4 2018
Carbohydrate Model Run - June 4 2018 - News News
The high temperatures experienced in most of Pennsylvania last week were relieved Saturday into Sunday as rain moved across the state. More
1940's photo at the Fruit Research Lab. Do you know who these men are? (see comments at the end of this article)
FREC Centennial Celebration and Field Day - News News
The Fruit Research and Extension Center has a one-hundred-year history of developing scientific information for the benefit of the fruit industry throughout Pennsylvania. Come join our celebration on July 10, 2018. More
Discoloration of developing fruitlets indicating they will be dropping. Photo: Rob Crassweller, Penn State
Carbohydrate Model Run: May 30, 2018 Ideal Weather for Thinning - News News
Since the last carbohydrate model report on May 25, last Friday, weather conditions were optimal to induce fruit drop due to chemical thinner application. More
It is important to monitor your orchard site for conditions. Photo: Kari Peter, Penn State
Disease Update: More Advice for Limiting Fire Blight Spread - News News
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. More
Are your berries turning brown and drying up? Check to see that the pedicle is not damaged. Photo: Kathy Demchak, Penn State
Causes of Strawberry Blossom Blights and Dried Berries - News News
The warm wet weather the past couple of weeks together with high humidity is creating perfect conditions for a number of strawberry diseases. More
Be on alert for apple scab disease conditions until mid-June. Photo: Kari Peter, Penn State
Tree Fruit Disease Conditions Were on Steroids in May - News News
Conditions were incredibly optimal for many tree fruit diseases during the month of May. Management strategies for pome and stone fruit diseases are discussed. More
Scout for fire blight in your orchard. Photo: Kari Peter, Penn State
Disease Update: Dealing with Fire Blight Infections - News News
Reports of fire blight infections have started to occur. The dos and don’ts of managing fire blight infections are discussed. More
Codling moth injured fruit. Photo: Greg Krawczyk, Penn State
First Generation Codling Moth Update May 25, 2018 - News News
It is a perfect time right now to start the insecticide management of the codling moth (CM) in pome fruit orchards. More
Cornell Carbohydrate Model Run: May 25, 2018
Cornell Carbohydrate Model Run: May 25, 2018 - News News
Warm temperatures are affecting thinning. Most stations across the state are forecasting high temperatures to be in the 80’s today and for the next several days. More
Mechanical peach blossom thinner commercialized as a result of multi-state research led by Penn State. Photo: Loy Elliott
Grower Input Needed For Industry Engineering Needs Assessment - News News
The Penn State Fruit Research and Extension Center (FREC) is currently conducting needs assessments and would like to hear from Pennsylvania tree fruit growers. More
The FREC weather station. Photo: Kari Peter, Penn State
Exposing Your Weather Station To The Elements - News News
Weather station maintenance is very important for gathering accurate weather data, but it is just as important to make sure your well-maintained instrument is properly placed without any shade throughout the day. More
Photo: Tom Ford, Penn State
What Should I Be Looking For in My High Tunnel Soil Test Report? - News News
Soil pH in a Survey of 27 High Tunnels in Pennsylvania More
Three-point hitch plastic mulch layers are utilized on many Pennsylvania vegetable farms to take advantage of raised beds to provide warmer better drained soil. In addition, crops stay off ground and can be easier to pick. Photo: Tom Butzler, Penn State
Vegetable Equipment Demonstrations Coming to 2018 Ag Progress Days - News News
Vegetable production is becoming big business in Pennsylvania and the numbers seem to back it up. More
M27 trees in bloom. Photo: Rob Crassweller, Penn State
Cornell Carbohydrate Model Run: May 21, 2018 - News News
Saturday in central Pennsylvania was overcast all day with early morning rain followed by rain on Sunday morning and then sun in the afternoon. More
Fruitlets. Photo: Kari Peter, Penn State
Disease Update: Managing Diseases During Wet Weather - News News
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. More
Photo: Rob Crassweller, Penn State
Carbohydrate Model Run: May 18, 2018 Thinning Weather Has Changed - News News
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. More
Pepper transplants. Photo: Tom Ford, Penn State
Vegetable - Small Fruit Current Issues: May 18, 2018 - News News
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. More
Figure 1. One-inch diameter hail stones fell at the Fruit Research and Extension Center, May 10, 2018. Photo: Jim Schupp, Penn State
Chemical Thinning After an Early Season Hail Storm - News News
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. More
Is It Okay to Concentrate Chemical Thinners?
Is It Okay to Concentrate Chemical Thinners? - News News
Most pomologists prefer not to concentrate thinners. For a thinner to work, it must be applied, absorbed, and translocated in sufficient concentration so as to create a transient stress. More
Early symptoms of blossom blight. Photo: K. Peter, Penn State
Disease Update: Fire Blight, Scab, Bacterial Spot Conditions Alert - News News
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. More
Carbohydrate Model Run: Thinning Time is Here!
Carbohydrate Model Run: Thinning Time is Here! - News News
It looks like spring finally arrived in the last two weeks and many orchards are thinning apples. More
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