Online Phenology Models and Degree-day Calculator
immaturedamageadult
pink bollworm [cotton]
insect model of UC Davis Cotton IPM 1996 model #3 UC IPM


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: pink bollworm [cotton] Type: insect Model source/other links: UC Davis Cotton IPM 1996 model #3 UC IPM Calculation method: single sine Lower threshold: 55 degrees Fahrenheit Upper threshold: 86 degrees Fahrenheit Directions for starting/BIOFIX: calendar date Starting/BIOFIX date: 1 1 No ending date, set to: default date 12 31 Model validation status: used in CA Region of known use: CA AZ NM ==============================EVENTS TABLE================================ 1. 500 DDs after Jan 1 Start of OW gen (spring) emergence 2. 1180 DDs after Jan 1 Peak OW gen emergence 3. 1300 DDs after Jan 1 Start 1st gen emergence 4. 2100 DDs after Jan 1 Start 2nd gen emergence 5. 2200 DDs after Jan 1 End of OW gen emergence 6. 2900 DDs after Jan 1 Start 3rd gen emergence 7. 3700 DDs after Jan 1 Start 4th gen emergence 8. 4500 DDs after Jan 1 Start 5th gen emergence ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD55 CUMDD55 event -- --- ----- ----- ------ ---- ------- -------