Filtering by tag: apple thinning ✕

Buds on an apple tree.

Webinar Series: Precision Apple Crop Load Management

Happy New Year!Below is an announcement of an upcoming webinar series on Precision Crop Load Management for Apples. Registration is required (see link below).Please join us for a series of Briefings…

Red Delicious apples

Crop Load Management Update (5/13/20): Rescue Thinning

Challenging… Frustrating… Atypical…I’ve used all of these words - and some colorful language - to describe the 2020 chemical thinning window. Unseasonably cool temperatures have been a major…

Gala heavy fruit set

Crop Load Management Update: 04/26/20

The post-bloom thinning window is well underway and several growers made thinner applications last week. Output from the Carbon Balance Model for four sites in western NC (Apple Wedge, Flat Rock,…

Apple tree

Crop Load Management Update (4/21/2020): A Surplus of Challenges

The good news: Many southeastern orchards had a relatively strong return bloom in 2020 and we observed excellent weather for pollinator activity. Many blocks appear to have a moderate to heavy…

apple blossoms

Crop Load Management Update: Pink to Bloom

Recent warm temperatures accelerated reproductive bud development dramatically over the past week. Full bloom was reported at low elevation sites and high elevation sites have a range of bloom stages…

apple bloom

Apple Thinning Update: 4/30/19

Output from the Carbon Balance Model for four sites in western NC (Apple Wedge, Flat Rock, Sugarloaf, and Moravian Falls) and two sites in North Georgia (Blue Ridge and Ellijay) is below (click…

Apple bloom image

Post-Bloom Thinning Update: 4.28.19

Post-Bloom Thinning Update The majority of post-bloom chemical thinning decisions will likely occur this week. The forecast calls for relatively warm temperatures (70’s to low 80’s) to coincide with…

Pink and white blossom showing stamens and a water droplet on a petal

Blossom Thinning Apples With Lime Sulfur: Old Dog - New Trick

This article was written by Tom Kon and Jim Schupp (Penn State University).Until recently, eastern apple growers did not have access to a registered and effective chemical blossom thinner. As of…

Apple fruit set

Apple Thinning Update: 05/15/18

The effects of chemical thinner applications that occurred ~2 weeks ago are apparent. A clear separation in fruit size and/or fruit drop should be visible.Some growers have applied rescue thinners in…

Apple blossoms

Apple Thinning Update: 05/08/18

In blocks that received chemical thinners last week, it is too early to assess the effect of this application. In general, thinner effects (fruit abscission and/or a fruit size differential) can be…