Online Phenology Models and Degree-day Calculator
immaturedamageadult
San Jose scale [tree fruits]
insect model of Rice et al 1982


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: San Jose scale [tree fruits] Type: insect Model source/other links: Rice et al 1982 Calculation method: single sine Lower threshold: 51 degrees Fahrenheit Upper threshold: 90 degrees Fahrenheit Directions for starting/BIOFIX: first male scale from overwintering generation Starting/BIOFIX date: 3 15 Ending date: 8 31 Model validation status: partly validated Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 305 DD after 1st male from OW gen: 100 degree-days until first crawler 2. 405 DD after 1st male from OW gen: First crawler emergence 3. 605 DD after 1st male from OW gen: UC Davis rec. crawler treatment 4. 723 DD after 1st male from OW gen: First second instars 5. 936 DD after 1st male from OW gen: First pupae 6. 1031 DD after 1st male from OW gen: 1st male catch next generation 7. 1050 DD after 1st male from OW gen: First mating next generation 8. 1455 DD after 1st male from OW gen: First crawlers second generation ==============================MODEL OUTPUT================================ Extended Seasonal Forecast: NOAA NMME 7-month 1910 MF22754 PRISM_rev1_4km 2012-2021
San Jose scale model - Rice et al 1982
Extended Seasonal Forecast: NOAA NMME
degree-day graph of San Jose scale [tree fruits] Rice et al 1982