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Fruit Program News

This from an e-mail from Cornell's Terence Robinson dated May 1, 2019.

"Today we are pleased to announce the official release of the 2019 Carbohdyrate thinning model on NEWA and the official release of a new phone app for IOS and android.  The phone app has the carbohydrate model, the fruit growth rate model and the apple irrigation model."

Bloom Thinning with the Pollen Tube Growth Model (PTGM)

Mike Basedow, CCE-ENYCHP & Dan Donahue CCE-ENYCHP

Reprinted from Cornell ENYCHP Tree Fruit E-Alert, Donahue and Basedow, for April 30th, 2019 @ 10:00 am

We trialed the PTGM thinning protocol in ENY orchards in 2018 to mixed results. Spray timings are critical (hours, not days), and inclement weather can interfere. Trials have been set up in Ulster, Columbia, and Clinton Counties for 2019.

NEWA announces partnership with Onset Corporation. The New York State IPM Program at Cornell University is pleased to announce that Onset Corporation has joined the NEWA family and will be partnering to integrate HOBO® weather station data used by growers for use with insect pest and plant disease decision support tools at

Once again current tree fruit bud stages at the UMass Orchard in Belchertown, MA, including pictures, are available on the UMass Fruit Advisor website: Every year since 2012, a history of current bud stages are also available. In addition, bud stages back to 2001 are archived in Clements Corner on the old UMass Fruit Advisor website here:

netfmg cover

The New England Tree Fruit Management Guide, a collaborative publication of tree fruit Extension specialists in each New England state, is available on-line or in print. For New England commercial orchardists, the on-line version at is updated continuously and represents the latest tree fruit production and crop protectant information. It is both desktop and mobile device friendly, and can be a quick handy reference in the field on your smart phone. Individual chapters/sections can also be easily printed for quick reference in the office, spray shed, or for workers. This should be your first go-to for current orchard -- including apple, pear, peach, cherry, and plum -- production and spray schedule information. For those wishing a fully printed guide in reference book form, one can be ordered here:

tractor spray orchard

Decision Support Sytems (DSS's) for Massachusetts Apple Growers (and Beyond): NEWA, RIMpro, and AgRadar

green tip apple

Predicting green tip in apple? Check this out...

Fruit Twilight Meetings, April 11 (C.N. Smith Farm) and April 16 (UMass Cold Spring Orchard)

“Precision Crop Load Management and Plant Growth Regulator Use in Apples” An In-depth School for Fruit Growers March 26 and 27, 2019. The Cornell Fruit Team is pleased to announce an in-depth school for tree fruit growers, extension educators and crop consultants on March 26 and 27, 2019, at the DoubleTree by Hilton in Syracuse, NY. This meeting will be a two-day intensive school focusing on precision crop load management and the applications of plant growth regulators in the orchard. In addition to Cornell speakers, the meeting will feature invited scientists from Washington State University, Pennsylvania State University, and Michigan State University. Industry representatives from MOOG, Valent BioSciences, and AgroFresh will participate on March 26 and 27. The meeting attendance will be limited to 150 people so we urge to register early before the space is filled up. The meeting is being advertised to members of the fruit production industries in the eastern US.The in-depth school will serve as a vehicle for fruit industry leaders to learn of advances in precision orchard management and to catch a vision of the future use of computer vision and robotics to manage crop load precisely. It will also allow growers to give input to this vision. Details and registration information are available at the site: For more information call Gemma Osborne at 315-787-2248, or email at

In-Depth Fruit School Brochure

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Spotted lanternfly adult

Mass deaprtment of Agriculture confirms dead SLF in private Boston residence.