Online Phenology Models and Degree-day Calculator
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codling moth [apple & pear]
insect model of Brunner and Hoyt (1987)


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: codling moth [apple & pear] Type: insect Model source/other links: Brunner and Hoyt (1987) Calculation method: single sine Lower threshold: 50 degrees Fahrenheit Upper threshold: 88 degrees Fahrenheit Directions for starting/BIOFIX: first consistent capture of moths in pheromone traps Starting/BIOFIX date: 4 1 Ending date: 10 31 Model validation status: Fully tested and in use Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 250 DDs after biofix: 1ST GENERATION, 3% EGG HATCH 2. 360 DDs after biofix: 1ST GENERATION, 20% EGG HATCH 3. 484 DDs after biofix: 1ST GENERATION, 50% EGG HATCH 4. 610 DDs after biofix: 1ST GENERATION, 75% EGG HATCH 5. 800 DDs after biofix: 1ST GENERATION, 95% EGG HATCH 6. 1000 DDs after biofix: 2ND GENERATION, 5% ADULT EMERGENCE 7. 1260 DDs after biofix: 2ND GENERATION, 7% EGG HATCH 8. 1460 DDs after biofix: 2ND GENERATION, 30% EGG HATCH 9. 1580 DDs after biofix: 2ND GENERATION, 50% EGG HATCH 10. 1750 DDs after biofix: 2ND GENERATION, 75% EGG HATCH 11. 2100 DDs after biofix: 2ND GENERATION, 99% EGG HATCH 12. 2220 DDs after biofix: 3RD GENERATION, 3% EGG HATCH 13. 2430 DDs after biofix: 3RD GENERATION, 20% EGG HATCH 14. 2620 DDs after biofix: 3RD GENERATION, 50% EGG HATCH ==============================MODEL OUTPUT================================
Bad/missing weather station. Please use the back button and select another. Forecast using: 10 yr Hist Avg MF24465 2006-2015
codling moth model - Brunner and Hoyt
Location: 5-16-17 257 1ST GENERATION, 3% EGG HATCH
DateDDsEvent
 6-12-17 6161ST GENERATION, 75% EGG HATCH
 6-23-17 8061ST GENERATION, 95% EGG HATCH
 7-3-17 10062ND GENERATION, 5% ADULT EMERGENCE
 7-14-17 12612ND GENERATION, 7% EGG HATCH
 7-22-17 14632ND GENERATION, 30% EGG HATCH
 7-27-17 15932ND GENERATION, 50% EGG HATCH
 8-3-17 17752ND GENERATION, 75% EGG HATCH
 8-17-17 21232ND GENERATION, 99% EGG HATCH
 8-22-17 22383RD GENERATION, 3% EGG HATCH
 9-1-17 24473RD GENERATION, 20% EGG HATCH
 9-11-17 26263RD GENERATION, 50% EGG HATCH
degree-day graph of codling moth [apple & pear] Brunner and Hoyt (1987)