Online Phenology Models and Degree-day Calculator
mustard (B. juncea, Brwn&Orntl)
crop model of 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: mustard (B. juncea, Brwn&Orntl) Type: crop Model source/other links: 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. 260 DD after biofix 0.9-germination: shoot breaks through soil 2. 310 DD after biofix 1.1-1st true leaf unfolded 3. 340 DD after biofix 1.2-rosette stage, with cotyledons and 2nd true leaves 4. 890 DD after biofix 3.1-1st visibly detected internode 5. 1460 DD after biofix 5.1-flower buds just visible (green bud) 6. 1690 DD after biofix 5.9-1st flower buds yellow but still closed (yellow bud) 7. 1750 DD after biofix 6.1-10% of flowers are open or 10% bloom 8. 2030 DD after biofix 7.1-10% of pods reached final size 9. 2320 DD after biofix 8.1-10% of seeds changed color (any brown detectable) 10. 2490 DD after biofix 8.7-Oriental:75% yellow seeds Brown:60% brown seeds 11. 2610 DD after biofix 9.1-direct harvest-thresh when seed is 12% moisture or lower ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- -------