Online Phenology Models and Degree-day Calculator
Safflower (Saffire)
crop model of Miller MSU, Miller et al. 2001

Output from crop degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: Safflower (Saffire) Type: crop Model source/other links: Miller MSU, Miller et al. 2001 Calculation method: simp avg/grow Lower threshold: 32 degrees Fahrenheit Setting upper threshold to: 130 F (default) Directions for starting/BIOFIX: planting date Starting/BIOFIX date: 4 1 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: Montana ==============================EVENTS TABLE================================ 1. 340 DD after biofix 0.9-germination: shoot breaks through soil 2. 410 DD after biofix 1.1-1st true leaves unfolded and < 1.5 inches long 3. 1160 DD after biofix 3.1-rosette stage, immature primary bud increases to max diameter 4. 1900 DD after biofix 5.1-bud initiation, miniature floral head about .25 inches diameter 5. 2270 DD after biofix 6.1-secondary branches beginning to form from top down 6. 2650 DD after biofix 7.1-onset of anthesis, 1-10% flowering 7. 2950 DD after biofix 7.9-anthesis complete when all florets have wilted 8. 3320 DD after biofix 8.9-seeds are mature when the seed hull loses opaqueness. Little green color on lvs and heads 9. 3431 DD after biofix 9.2-Direct harvest. Most of leaves brown with hint of green. Plants dry not brittle, seeds rub easily from heads ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- -------