Fruit Times

Photo: T. Baugher, Penn State
May 30, 2017

This is the last run of the season. I suspect that fruit size is or soon will be too large to provide adequate response to thinner application.

 Be vigilant and scout for apple scab! Photo: K. Peter, Penn State
May 26, 2017

Diseases for the fruit grower radar and their management strategies are discussed as we wrap up May and begin June.

Too late to manage peach leaf curl when symptoms are present. Photo: K. Peter, Penn State
May 26, 2017

Peach leaf curl has caught many folks off guard this year. Tips for preventing the disease next season are discussed.

Growing apple terminal injured by Obliquebanded leafroller (June). Photo: Greg Krawczyk
May 26, 2017

The 2017 biofix for the first brood tufted apple bud moth (TABM) at the Penn State orchards in Biglerville was established on May 1st while for the obliquebanded leafroller (OBLR) on May 20th.

Photo 1. Early symptom of orange rust. Photo: K. Demchak
May 26, 2017

Orange rust is a systemic disease, any plants propagated from infected plants will also be infected.

The Equilifruit disc. Photo: J. Schupp, Penn State
May 25, 2017

It will soon be time to start hand thinning and applying return bloom sprays to apple orchards.

Site preparation for a "Model for the Future" apple planting in Adams County, PA. Photo: Tara Baugher
May 24, 2017

Have you recently pushed out a block of older fruit trees? In commercial grower plots, we are learning that sudangrass is an excellent first step to replant success.

Photo: Norma Young, Penn State
May 24, 2017

Have you noticed lately that many interstate rest stops are now called text stops? While the ever growing ubiquity of the smartphone has come with some issues, there are many opportunities to use this technology to make our lives a little easier, even on the farm.

May 24, 2017

To keep your NEWA-connected weather station running in top shape this season, consult the on-line guides we put together on maintenance and troubleshooting.

Frost crevices on Ginger Gold. Photo: R. Crassweller
May 22, 2017

Today most sites were calling for thinner application at your standard rates.

Conditions are favorable for fire blight spread: be alert! Photo: K. Peter, Penn State
May 19, 2017

Beware of fire blight and bacterial spot conditions! Ideal conditions have been present for bacterial diseases to be problematic. Growers are encouraged to scout for fire blight.

Codling moth injured apple fruit. Photo: G. Krawczyk, Penn State
May 19, 2017

During a normal season in orchards with a pest pressure, the seasonal management of the codling moth (CM) larvae should be initiated at around 250 DD50 (Degree Days base 50F) after the biofix (April 25 in the Penn State FREC orchards).

Photo: R. Crassweller, Penn State
May 19, 2017

We finally experienced some warmer temperatures where the true PGR materials are more effective.

Aerial image of Penn State’s research hopyard at Rock Springs. Photo by T. Delvalle, Penn State
May 16, 2017

You probably have heard of (or observed) the use of small unmanned aircraft systems (sUAS) throughout the country; whether it be for fun, a hobby, for capturing great aerial pictures, or commercial use.

Photo: R. Crassweller, Penn State
May 15, 2017

Over the weekend most sites showed a positive balance of carbohydrates, meaning trees were less responsive to applications of chemical thinners.

8mm fruit size in Erie on May 11, 2017. Photo: R. Crassweller, Penn State
May 12, 2017

One veteran pomologist made the comment that “something unique will occur every year that you did not ever experience before.” This year seems to bear out that axiom.

10mm diameter fruit. Photo: R. Crassweller, Penn State
May 8, 2017

We are continuing to experience unusually cold weather across the state, and growers will need to continue to wait for a thinning window.

Plum Curculio adult on young apple fruit. Photo: G. Krawczyk, Penn State
May 5, 2017

All pheromone traps for monitoring the most common fruit pests should already be in place in orchards.

Figure 1. Grape Berry Moth adult on Concord leaf. Photo: Andy Muza, Penn State
May 3, 2017

Grape Berry Moth (GBM) is an insect in the Order: Lepidoptera (moths and butterflies) and Family: Tortricidae.

May 1, 2017

The orchard site near the North East, PA Escarpment hit full bloom on Wednesday April 26 and is now included in our tables and charts.