Dr. Bryan Danforth contact: bnd1@cornell.edu
Historical Phenology and Average Degree Day Accumulation Base 43 (for reference)
Tight cluster (McIntosh) || 228 ± 27 || 27-Apr ± 7 days
Pink (McIntosh) || 289 ± 26 || 3-May ± 7 days
Full bloom (McIntosh) || 378 ± 35 || 10-May ± 6 days
Petal fall (McIntosh) || 479 ± 42 || 18-May ± 6 days
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Phenology & DDs for NY NEWA Stations from 1/1 - 4/28
Station || Stage || DD 43F || DD 50F ||
Geneva (AgriTech North) || Pink to bloom || 315 || 155
Highland (HVRL) || Bloom || 416 || 215
Clifton Park || Pink || 304 || 154
Peru (Forrence) || Tight Cluster || 234 || 107
Medina - Inland || Pink || 283 || 141
Appleton North - Lake || Pink || 227 || 105
Fairville (The Apple Shed) - Inland || Pink || 299 || 148
Williamson (DeMarree) - Lake || Pink || 268 || 126
*all DDs Baskerville-Emin, B.E
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Upcoming Pest Events
Pest/Phenology Event || DD Base 43˚F || Approx. Date
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
Oriental fruit moth – 1st adult catch || 229* ± 44* || 126 ± 33 || 2-May ± 8 days
RBLR – 1st flight peak || 303 ± 75 || 150 ± 48 || 4-May ± 9 days
STLM – 1st flight peak || 337 ± 71 || 168 ± 45 || 7-May ± 8 days
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Full bloom (McIntosh) || 378 ± 35 || 192 ± 25 || 10-May ± 6 days
OBLR Overwintered Gen. Sample
Codling Moth Traps set out
Lesser appleworm – 1st catch || 420 ± 144 || 217 ± 88 || 13-May ± 12 days
American plum borer – 1st catch || 457 ± 64 || 240 ± 45 || 16-May ± 7 days
OFM – 1st flight peak || 369* ± 91* || 223 ± 57 || 15-May ± 11 days
Codling moth – 1st adult catch || 475 ± 85 || 249 ± 55 || 18-May ± 7 days
San Jose scale – 1st adult catch || 533 ± 88 || 284 ± 61 || 21-May ± 8 days
Cherry fruit fly traps set out || 20-May
STLM – 1st sap-feeding mines observed || 472 ± 129 || 241 ± 76 || 18-May ± 13 days
Petal fall (McIntosh) || 479 ± 42 || 252 ± 32 || 18-May ± 6 days
*Base temperature for OFM 45F
Weather
Climate Prediction Center - Forecasts & Outlook Maps, Graphs and tables
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
https://blogs.cornell.edu/treefruitpests/
Interested in collaborating and contributing trap capture data? Contact Anna Wallis aew232@cornell.edu
Virtual Orchard IPM Scout Training
BF 224: Tree Fruit Scouting | Cornell Small Farms Program
Cold Temperature and Frost Risk
Picture Table of Critical Spring Temperatures for Tree Fruit Bud Development Stages
Regional Weather Events page for NEWA weather stations
Cornell Statewide Frost Protection webinar
Pre-emergent Herbicides
Spring Orchard Pre-Emergent Herbicides – CCE Eastern NY Commercial Horticulture Program
