Online Phenology Models and Degree-day Calculator
immatureadult
apple maggot % emerge [cherry, apple]
insect model of Jones et al 89


Output from uspest.org/wea insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: apple maggot % emerge [cherry, apple] Type: insect Model source/other links: Jones et al 89 Calculation method: single sine Lower threshold: 44 degrees Fahrenheit Upper threshold: 113 degrees Fahrenheit Directions for starting/BIOFIX: initialize at first emergence from traps Starting/BIOFIX date: 6 15 Ending date: 7 0 Model validation status: testing Region of known use: UT and OR ==============================EVENTS TABLE================================ 1. 318 DD after 1st emerge 5% fly emerge 2. 541 DD after 1st emerge 25% fly emerge 3. 797 DD after 1st emerge 50% fly emerge 4. 1046 DD after 1st emerge 75% fly emerge 5. 1252 DD after 1st emerge 95% fly emerge 6. 1694 DD after 1st emerge 99% fly emerge ==============================MODEL OUTPUT================================ Weather station: 2017 E5848 APRSWXNET EW5848 Gulf Shores AL Lat:30.3000 Long:-87.7000 Elev:30 mn day max min precip DD44 CUMDD44 event -- --- ----- ----- ------ ---- ------- ------- 6 15 86.00 70.00 0.12 34.00 34.0 * START * 6 16 90.00 70.00 0.03 36.00 70.0 6 17 84.00 69.00 0.03 32.50 102.5 6 18 87.00 73.00 0.00 36.00 138.5 6 19 87.00 73.00 0.43 36.00 174.5 6 20 75.00 71.00 4.29 29.00 203.5 6 21 81.00 72.00 1.03 32.50 236.0 6 22 85.00 78.00 0.42 37.50 273.5 6 23 85.00 79.00 0.00 38.00 311.5 6 24 88.00 79.00 0.00 39.50 351.0 5% fly emerge 6 25 89.00 72.00 1.14 36.50 387.5 6 26 89.00 68.00 0.00 34.50 422.0 6 27 86.00 71.00 0.02 34.50 456.5 6 28 87.00 73.00 0.78 36.00 492.5 6 29 82.00 73.00 0.90 33.50 526.0 6 30 88.00 77.00 0.08 38.50 564.5 25% fly emerge Forecast using: 1910 E5848 PRISM_rev1_4km 2007-2016 AVERAGES Lat30.3000 Long-87.7000 DD50
apple maggot % emerge model - Jones et al 89
Location: 2017 E5848 EW5848 Gulf Shores
1910 E5848 PRISM_rev1_4km 2007-2016 AVERAGES
DateDDsEvent
 6-24-17 3515% fly emerge
 6-30-17 56425% fly emerge
 2-20-17 81250% fly emerge
 3-5-17 104675% fly emerge
 3-19-17 126695% fly emerge
 4-5-17 169699% fly emerge
degree-day graph of apple maggot % emerge [cherry, apple] Jones et al 89