As the apple harvest season is upon us in Wisconsin, apple fruit diseases may become more apparent and their impacts on fruit quality and yield […]

*The following information was presented at the 2021 Wisconsin Apple Field Day. Fire blight is the most important bacterial disease of apple. When warm and […]

Japanese beetles have barely started to emerge in Wisconsin and they have become worrisome for apple growers in the last couple years. Japanese beetles are […]

I have heard from several growers that bloom has been much lighter than expected this year, in particular in Honeycrisp, even when crop loads last […]

A couple of weeks ago I wrote an article about all the resources we have available for precision thinning. This time I want to provide […]

Early varieties like Macintosh and Zestar are at first pink. Honeycrisp is at half inch green to tight cluster. Marquette is at early bud swell. […]

We raise organic apples on our farm in Lafayette County, southwest Wisconsin.  Our trees are on dwarfing rootstocks and we rely on a thick, 4-6 […]

The Network for Environment and Weather Applications (NEWA) is an important resource in the IPM toolbox for apple growers. 2021 is bringing long-awaited updates and […]

This week I participated in Apple Talk organized by the IPM Institute with John Aue and Peter Werts. Here’s the summary of the questions I […]

In 2021, the PDDC continues with limited hours and limited sample processing capacity due to COVID-19.  Click here for the PDDC’s current submission policy.  The […]