Online Phenology Models and Degree-day Calculator
immatureadult
Barley
crop model of Miller MSU, Misc. refs


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: Barley Type: crop Model source/other links: Miller MSU, Misc. refs Calculation method: simp avg/grow Lower threshold: 32 degrees Fahrenheit Setting upper threshold to: 130 F (default) Directions for starting/BIOFIX: calendar date Starting/BIOFIX date: 1 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: coleoptyle breaks through soil 2. 310 DD after biofix 1.1-1st leaf unfolds 3. 600 DD after biofix 2.1-1st tiller visible 4. 870 DD after biofix 3.1-1st node detectable 5. 1170 DD after biofix 4.1-flag leaf sheath extended 6. 1440 DD after biofix 5.1-tip of inflor. emerged, 1st spiklet just visible 7. 1740 DD after biofix 6.1-1st anthers of flowers visible 8. 2010 DD after biofix 7.1-1st grains reach half of final size 9. 2420 DD after biofix 8.5-soft dough stage grain development 10. 2620 DD after biofix 9.2-grains ripe and hard ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- -------