Historical Phenology and Average Degree Day Accumumulation (from Table 7.1.4 in the Tree Fruit Guidelines)
Phenology & DDs for NY NEWA Stations from 1/1 – 7/14
Station || Stage || DD 43F || DD 50F ||
Geneva (AgriTech North) || Fruit Sizing || 2056 || 1396
Highland (HVRL) || Fruit Sizing || 2300 || 1579
Clifton Park || Fruit Sizing || 2095 || 1427
Peru (Forrence) || Fruit Sizing || 1849 || 1220
Medina - Inland || Fruit Sizing || 1938 || 1299
Appleton North - Lake || Fruit Sizing || 1836 || 1217
Fairville (The Apple Shed) - Inland || Fruit Sizing || 2012 || 1370
Williamson (DeMarree) - Lake || Fruit Sizing || 1935 || 1294
*all DDs Baskerville-Emin, B.E
Upcoming Pest Events
Pest/Phenology Event || DD Base 43˚F || Approx. Date
Dogwood borer – 1st adult catch || 964 ± 230 || 571 ± 151 || 12-Jun ± 9 days
American plum borer – 1st flight ending || 1344 ± 144 || 856 ± 111 || 29-Jun ± 7 days
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Apple Maggot Traps Set Out (in orchard) || 1-Jul
ERM Sample – 5.0 mites/leaf || 1-Jul
Comstock mealybug tape traps set out || July 1 (ENY), July 15 (WNY)
OFM – 2nd flight starting || 1180* ± 136* || 856 ± 106 || 29-Jun ± 5 days
OBLR Summer Gen. 1st Sample || 10-Jul ± 5 days
STLM Summer Gen. 1st Sample || 9-Jul ± 7 days
RBLR – 2nd flight starting || 1367 ± 105 || 866 ± 135 || 29-Jun ± 6 days
AM – 1st catch || 1509 ± 285 || 973 ± 206 || 4-Jul ± 12 days
Lesser peachtree borer – peak catch || 1234 ± 470 || 785 ± 338 || 25-Jun ± 19 days
STLM – 2nd flight peak || 1563 ± 207 || 1011 ± 163 || 6-Jul ± 8 days
Codling moth – 1st flight ending || 1557 ± 262 || 1011 ± 187 || 6-Jul ± 12 days
Peachtree borer – peak catch || 1579 ± 465 || 1036 ± 353 || 7-Jul ± 19 days
Lesser appleworm – 2nd flight starting || 1768 ± 339 || 1165 ± 240 || 14-Jul ± 12 days
OFM – 2nd flight peak || 1450* ± 147* || 1115 ± 190 || 11-Jul ± 9 days
American plum borer – 2nd flight starting || 1850 ± 290 || 1231 ± 203 || 16-Jul ± 11 days
RBLR – 2nd flight peak || 1721 ± 232 || 1129 ± 176 || 13-Jul ± 7 days
San Jose scale – 2nd flight starting || 1804 ± 170 || 1199 ± 136 || 15-Jul ± 8 days
Codling moth – 2nd flight starting || 1887 ± 313 || 1251 ± 223 || 20-Jul ± 13 days
Dogwood borer – peak catch || 1611 ± 226 || 1040 ± 172 || 8-Jul ± 10 days
STLM – 2nd flight ending || 2167 ± 177 || 1466 ± 151 || 28 Jul ± 8 days
American plum borer – 2nd flight peak || 2290 ± 285 || 1564 ± 213 || 1-Aug ± 8 days
OFM – 2nd flight ending || 2044* ± 233* || 1545 ± 195 || 31-Jul ± 7 days
*Base temperature for OFM 45F
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Resources
SWD Salt Float
https://fruit.cornell.edu/spottedwing/management/
https://swdmanagement.org/research-protocols/
NOAA Storm Prediction Center & Severe Weather
https://www.spc.noaa.gov/climo/reports/250703_rpts.html
Pest Monitoring Networks
NY Tree Fruit Pest Monitoring Network
NY Berry 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.
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
