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April 2 snow at Rock Springs. Photo: Rob Crassweller, Penn State
NEWA IPM Monitoring Available for Growers - News News
Funding from the SHAP Extension Committee has purchased a statewide membership to the NEWA IPM Monitoring system for 2018. More
Buy-and-Fly Orchard Management Using Unmanned Aircraft
Buy-and-Fly Orchard Management Using Unmanned Aircraft - News News
Using unmanned aircraft technology to help growers with orchard management. More
Please Participate in Our Online NEWA Survey!
Please Participate in Our Online NEWA Survey! - News News
Help us build our new Network for Environment and Weather Applications (NEWA) website! More
Photo: T. Baugher, Penn State
Carbohydrate Model Results for May 30, 2017 - News News
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. More
Frost crevices on Ginger Gold. Photo: R. Crassweller
Carbohydrate Model Results for May 22, 2017 - News News
Today most sites were calling for thinner application at your standard rates. More
Photo: R. Crassweller, Penn State
Carbohydrate Model Results for May 19, 2017 - News News
We finally experienced some warmer temperatures where the true PGR materials are more effective. More
Photo: R. Crassweller, Penn State
Carbohydrate Model Results for May 15, 2017 - News News
Over the weekend most sites showed a positive balance of carbohydrates, meaning trees were less responsive to applications of chemical thinners. More
8mm fruit size in Erie on May 11, 2017. Photo: R. Crassweller, Penn State
Carbohydrate Model Results for May 12, 2017 - News News
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. More
10mm diameter fruit. Photo: R. Crassweller, Penn State
Cornell Carbohydrate Model Results for May 8, 2017 - News News
We are continuing to experience unusually cold weather across the state, and growers will need to continue to wait for a thinning window. More
Photo: R. Crassweller, Penn State
Cornell Carbohydrate Model Variability - News News
The reliability of the Cornell carbohydrate thinning model forecast is dependent on weather forecasts. More
Isoxaben may be very useful to newly planted orchards. Photo: Rob Crassweller
Spring Herbicide Applications - News News

Spring Herbicide Applications

03/10/2017

We just finished winter tree fruit meetings during which I talked about some new herbicide registrations. More
Excessive vigor leads to poor calcium levels. Photo: Rob Crassweller
A Look Back on 2016 and Calcium Problems - News News
We heard and saw many problems with calcium deficiencies in commercial orchards this past year. More
Fruit Production for the Home Gardener
Fruit Production for the Home Gardener - Guides and Publications Guides and Publications

Fruit Production for the Home Gardener

Robert Crassweller, Ph.D.

188

$12.00
Grow your own fruit on a small scale. More