10 June 2025

Historical Phenology and Average Degree Day Accumulation Base 43 (for reference)Petal fall (McIntosh) || 479 ± 42 || 18-May ± 6 days Phenology & DDs for NY NEWA Stations from 1/1 – 6/9Station || Stage || DD 43F || DD 50F ||Geneva (AgriTech North) || Fruit Sizing || 981 || 566Highland (HVRL) || Fruit Sizing || 1202 || 726Clifton Park || Fruit Sizing || 1036 || 614Peru (Forrence) || Fruit Sizing || 882 || 498Medina - Inland || Fruit Sizing || 911 || 517Appleton North - Lake || Fruit Sizing || 812 || 438Fairville (The Apple Shed) - Inland || Fruit Sizing || 941 || 544Williamson (DeMarree) - Lake  || Fruit Sizing || 874 || 479*all DDs Baskerville-Emin, B.E  Upcoming Pest EventsPest/Phenology Event || DD Base 43˚F || Approx. Date---ERM Sample – 2.5 mites/leaf || 1-JunOBLR traps set out || 1-JunBlack stem borer – 1st flight peak || 681 ± 170 || 383 ± 122 || 1-Jun ± 9 daysRBLR – 1st flight ending || 753 ± 140 || 448 ± 105 || 2-Jun ± 8 daysAmerican plum borer – 1st flight peak || 784 ± 183 || 457 ± 128 || 3-Jun ± 9 daysCodling moth – 1st flight peak || 768 ± 206 || 442 ± 134 || 3-Jun ± 12 daysSTLM – 1st flight ending || 813 ± 128 || 475 ± 94 || 5-Jun ± 9 daysOBLR – 1st adult catch || 884 ± 90 || 523 ± 62 || 9-Jun ± 6 daysOFM – 1st flight ending || 825* ± 126* || 576 ± 97 || 12-Jun ± 8 daysPeachtree borer – 1st adult catch || 1032 ± 266 || 619 ± 182 || 15-Jun ± 11 daysSan Jose scale – 1st flight ending || 1039 ± 182 || 632 ± 125 || 16-Jun ± 8 daysBlack stem borer – 1st flight ending || 1056 ± 198 || 636 ± 154 || 19-Jun ± 9 daysSTLM – 2nd gen. 1st adult catch || 1063 ± 91 || 648 ± 74 || 16-Jun ± 6 daysSan Jose scale – 1st crawlers observed || 1124 ± 91 || 688 ± 69 || 19-Jun ± 8 daysDogwood borer – 1st adult catch || 964 ± 230 || 571 ± 151 || 12-Jun ± 9 daysAmerican plum borer – 1st flight ending || 1344 ± 144 || 856 ± 111 || 29-Jun ± 7 days*Base temperature for OFM 45F NY Tree Fruit Pest Monitoring Networkhttps://blogs.cornell.edu/treefruitpests/ Thinning recapCapital Region Virtual Petal Fall Recordinghttps://blogs.cornell.edu/enychp/tree-fruit/apples/2025-capital-region-petal-fall-thinning-meeting-summary/WeatherNortheast Regional Climate Change Monthly Mapshttps://www.nrcc.cornell.edu/regional/monthly/monthly.htmlNOAA Climate Prediction Center (forecasts and outlooks)https://www.cpc.ncep.noaa.gov/products/forecasts/ NEWA and Pest ForecastingNEWA Help Desk Frequently Asked Questionshttps://help.nysipm.org/hc/en-us/categories/16994462926231-NEWA-Network-for-Environment-and-Weather-ApplicationsNEWA Help Desk Apple Insect, Disease, and Crop Management Forecastshttps://help.nysipm.org/hc/en-us/sections/17011505301783-Apple-Insect-Disease-and-Crop-Management-ForecastsQuick Guide for Apple Insect Pests https://help.nysipm.org/hc/en-us/articles/23290226665751-NEWA-Quick-Guide-for-Apple-Insect-PestsApple IPM Intensive Workshop playlist: https://www.youtube.com/playlist?list=PLoNb8lODb49vifrm9Tla4GmAVhlIL0527Apple Insect Targets and IPM Practices (including explanations of Degree Day calculations): https://youtu.be/NwyBAcvbpUs