Online Phenology Models and Degree-day Calculator
eggsimmaturedamageadult
lambsquarter
weed model of CROPTIME weed model


Output from uspest.org/wea weed degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: lambsquarter Type: weed Model source/other links: CROPTIME weed model Calculation method: single sine Lower threshold: 42 degrees Fahrenheit Upper threshold: 95 degrees Fahrenheit Directions for starting/BIOFIX: first emergence of cotyledon Starting/BIOFIX date: 6 10 No ending date, set to: default date 12 31 Model validation status: research model - not yet validated Region of known use: W. OR ==============================EVENTS TABLE================================ 1. 1 DDs after cotyledon: cotyledon present 2. 75 DDs after cotyledon: 2 leaves present 3. 173 DDs after cotyledon: 4 leaves present 4. 273 DDs after cotyledon: 6 leaves present 5. 596 DDs after cotyledon: first infloresc. 6. 1360 DDs after cotyledon: lower 95% CI first viable seed 7. 1462 DDs after cotyledon: average first viable seed 8. 1564 DDs after cotyledon: upper 95% CI first viable seed ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD42 CUMDD42 event -- --- ----- ----- ------ ---- ------- -------