15 April 2025

Dr. Kelsey Benthall [email protected] https://ridgequestinc.com/tangler/Historical Phenology and Average Degree Day Accumulation Base 43 (for reference)-            Silver Tip (McIntosh) || 58-106-            Green Tip (McIntosh) || 99-144-            Half Inch Green (McIntosh) || 150-201-            Tight Cluster (McIntosh) || 206-257 ----------------------------------------------------------------Phenology & DDs for NY NEWA Stations from 1/1 - 4/14Station || Stage || DD 43F || DD 50F || Geneva (AgriTech North) || 1/2" Green || 166 || 71Highland (HVRL) || Tight Cluster || 204 || 83Clifton Park || 1/4" Green || 143 || 60Peru (Forrence) || Early GT || 119 || 52Medina - Inland || 1/2" Green || 154 || 73Appleton North - Lake || 1/2" Green || 122 || 55Fairville (The Apple Shed) - Inland || 1/2" Green || 162 || 72Williamson (DeMarree) - Lake  || 1/2" Green || 151 || 67*all DDs Baskerville-Emin, B.E Upcoming Pest EventsPest/Phenology Event || DD Base 43˚F || Approx. DateSTLM Traps set out   || 1-AprPear psylla – egg laying || 84 ± 44 || 33 ± 21 || 4-Apr ± 11 daysRBLR – 1st catch || 144 ± 32 || 60 ± 20 || 17-Apr ± 9 daysRosy apple aphid – 1st nymphs present || 189 ± 55 || 86 ± 30 || 25-Apr ± 7 daysSTLM – 1st adult catch || 168 ± 48 || 73 ± 28 || 20-Apr ± 9 daysSTLM – 1st egg observed || 208 ± 65 || 94 ± 36 || 27-Apr ± 5 days------------------------------------------------------------------Tight cluster (McIntosh) || 228 ± 27 || 105 ± 19 || 27-Apr ± 7 daysTarnished plant bug – 1st observed || 222 ± 105 || 105 ± 62 || 25-Apr ± 15 daysOBLR – 1st overwintered larvae observed || 236 ± 78 || 112 ± 48 || 29-Apr ± 7 daysBlack stem borer – 1st adult catch || 283 ± 50 || 137 ± 40 || 6-May ± 3 daysEuropean red mite – egg hatch observed || 284 ± 53 || 134 ± 34 || 6-May ± 4 days---Pink (McIntosh) || 289 ± 26 || 139 ± 21 || 3-May ± 7 days*Base temperature for OFM 45F Sprayer Calibration VideosJason Deveau, Sprayers101 Andrew Landers Part I  Andrew Landers Part II  WeatherNortheast Regional Climate Change Monthly MapsNOAA Climate Prediction Center  NEWA and Pest ForecastingNEWA Help Desk Frequently Asked QuestionsNEWA Help Desk Apple Insect, Disease, and Crop Management ForecastsQuick Guide for Apple Insect Pests Apple IPM Intensive Workshop playlist: Apple Insect Targets and IPM Practices NY Tree Fruit Pest Monitoring NetworkVirtual Orchard Scout Training Online Course, BF224: Tree Fruit Scouting.Cold Temperature and Frost RiskRegional Weather Events page for NEWA weather stationCornell Statewide Frost Protection webinar Pre-emergent Herbicides