Online Phenology Models and Degree-day Calculator
adult
sweet corn [Jubilee]
crop model of Coop etal 1993


Output from uspest.org/wea crop degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: sweet corn [Jubilee] Type: crop Model source/other links: Coop etal 1993 Calculation method: corn growing Lower threshold: 50 degrees Fahrenheit Upper threshold: 86 degrees Fahrenheit Directions for starting/BIOFIX: date of planting Starting/BIOFIX date: 5 1 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 104 DDs after planting: First emergence from soil 2. 308 DDs after planting: 5 leaf stage 3. 445 DDs after planting: 7 leaf stage 4. 883 DDs after planting: 5 inch tassels 5. 960 DDs after planting: 10 inch tassels 6. 1005 DDs after planting: 5% silk emergence 7. 1062 DDs after planting: 50% silk emergence 8. 1145 DDs after planting: 95% silk emergence 9. 1288 DDs after planting: 50% brown silks develop 10. 1412 DDs after planting: 95% brown silks develop 11. 1539 DDs after planting: Fresh market harvest 12. 1597 DDs after planting: Processing market harvest ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD50 CUMDD50 event -- --- ----- ----- ------ ---- ------- -------