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 - 4/7
Station || Stage || DD 43F || DD 50F ||
Geneva (AgriTech North) || Green Tip || 151 || 64
Highland (HVRL) || Early TC || 186 || 76
Clifton Park || Green Tip || 125 || 53
Peru (Forrence) || Silver Tip || 103 || 47
Medina - Inland || First Green || 138 || 65
Appleton North - Lake || First Green || 105 || 48
Fairville (The Apple Shed) - Inland || First Green || 147 || 65
Williamson (DeMarree) - Lake || First Green || 136 || 61
*all DDs Baskerville-Emin, B.E
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Upcoming Pest Events
Pest/Phenology Event || DD Base 43˚F || Approx. Date
STLM Traps set out || 1-Apr
Pear psylla – egg laying || 84 ± 44 || 33 ± 21 || 4-Apr ± 11 days
RBLR – 1st catch || 144 ± 32 || 60 ± 20 || 17-Apr ± 9 days
Rosy apple aphid – 1st nymphs present || 189 ± 55 || 86 ± 30 || 25-Apr ± 7 days
STLM – 1st adult catch || 168 ± 48 || 73 ± 28 || 20-Apr ± 9 days
STLM – 1st egg observed || 208 ± 65 || 94 ± 36 || 27-Apr ± 5 days
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Tight cluster (McIntosh) || 228 ± 27 || 105 ± 19 || 27-Apr ± 7 days
Tarnished plant bug – 1st observed || 222 ± 105 || 105 ± 62 || 25-Apr ± 15 days
OBLR – 1st overwintered larvae observed || 236 ± 78 || 112 ± 48 || 29-Apr ± 7 days
Black stem borer – 1st adult catch || 283 ± 50 || 137 ± 40 || 6-May ± 3 days
European red mite – egg hatch observed || 284 ± 53 || 134 ± 34 || 6-May ± 4 days
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Pink (McIntosh) || 289 ± 26 || 139 ± 21 || 3-May ± 7 days
*Base temperature for OFM 45F
Sprayer Calibration Videos
Weather
Northeast Regional Climate Change Monthly Maps
NOAA Climate Prediction Center (forecasts and outlooks)
NEWA and Pest Forecasting
NEWA Help Desk Frequently Asked Questions
NEWA Help Desk Apple Insect, Disease, and Crop Management Forecasts
Quick Guide for Apple Insect Pests
Apple IPM Intensive Workshop playlist
Apple Insect Targets and IPM Practices
NY Tree Fruit Pest Monitoring Network
Interested in collaborating and contributing trap capture data? Contact Anna Wallis aew232@cornell.edu
Virtual Orchard Scout Training webinar
Online Course, BF224: Tree Fruit Scouting.
Cold Temperature and Frost Risk
Picture Table of Critical Spring Temperatures for Tree Fruit Bud Development Stages
