Fruit Pest Updates

    • May 22, 2024

      By Becky Wiepz and Dan Kielar Fruit-set looks good in apple and cherry blocks throughout the county thanks to good pollination and warm temperatures mean many crops are quickly progressing through growth stages. Date 5/22 2020 2021 2022 2023 2024 20-year avg. Base 50 113 230.5 188.5 230 292.5 212 GDD50 continues to be approximately…

    • May 16, 2024

      By Becky Wiepz and Dan Kielar Cool sunny days are causing bloom to last longer and the interspersed sunny days should result in good pollination based on the number of bees we’re seeing in the PARS orchards. Insect pressure appears to be high, likely due to the mild winter while continuing rain events have led…

    • May 9, 2024

      By Becky Wiepz and Dan Kielar Welcome back to PARS pest updates for 2024! Warming spring temperatures have pushed bloom ahead of schedule throughout the state with most Tart Cherry blocks at or near full bloom. In Door County, apples range between pink and king bloom depending on the variety while grapes are at bud…


    To aid in fruit management decisions, you can access the 2021-2022 Midwest Fruit Management Guide

    The 3 day PHI for Mustang Maxx on cherries in Wisconsin has been extended through December 31, 2023.

    NEWA (Network for Environment and Weather Applications) can be reached at www.newa.cornell.edu

    Click Wisconet for individual stations.