Online Phenology Models and Degree-day Calculator
adult
wheat (Bauer model) [spring wheat]
crop model of Bauer etal 1984 scale guide


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: wheat (Bauer model) [spring wheat] Type: crop Model source/other links: Bauer etal 1984 scale guide Calculation method: Bauer wheat model GDD Lower threshold: 32 degrees Fahrenheit Upper threshold: 95 degrees Fahrenheit Directions for starting/BIOFIX: date of emergence (ca. 180 GDD after planting) Starting/BIOFIX date: 4 1 No ending date, set to: default date 12 31 Model validation status: in use Region of known use: Western States ==============================EVENTS TABLE================================ 1. -180 GDDs after emergence: Approx. planting date 2. 0 GDDs after emergence: Emergence from soil (Haun 0.5) 3. 72 GDDs after emergence: Leaf 1 fully extended (Haun 1.0) 4. 215 GDDs after emergence: Leaf 2 fuly extended (Haun 2.0) 5. 358 GDDs after emergence: Leaf 3/tillers begin to emerge (Haun 3.0) 6. 501 GDDs after emergence: Leaf 4 fully extended (Haun 4.0) 7. 715 GDDs after emergence: Jointing (Haun 6.3) 8. 930 GDDs after emergence: Leaf 7 fully extended (Haun 7.0) 9. 1075 GDDs after emergence: Flag leaf (leaf 8) emerged (Haun 8.0) 10. 1216 GDDs after emergence: Boot swelling begins (Haun 9.0) 11. 1387 GDDs after emergence: Heading begins (Haun 10.2) 12. 1559 GDDs after emergence: Flowering (anthesis) begins (Haun 11.4) 13. 1645 GDDs after emergence: Kernel watery ripe (Haun 12.0) ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- -------