Online Phenology Models and Degree-day Calculator
adult
wheat (Hard Red)
crop model of Miller MSU, Miller et al. 2001


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 (Hard Red) 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 No starting/BIOFIX date, set to: default date 4 1 Ending date: 7 0 Model validation status: partly validated Region of known use: Montana ==============================EVENTS TABLE================================ 1. 290 DD after biofix 0.9-germination: coleoptyle breaks through soil 2. 350 DD after biofix 1.1-1st leaf unfolds 3. 680 DD after biofix 2.1-1st tiller visible 4. 1000 DD after biofix 3.1-1st node detectable 5. 1320 DD after biofix 4.1-flag leaf sheath extended 6. 1650 DD after biofix 5.1-tip of inflor. emerged, 1st spiklet just visible 7. 1960 DD after biofix 6.1-1st anthers of flowers visible 8. 2290 DD after biofix 7.1-1st grains reach half of final size 9. 2740 DD after biofix 8.5-soft dough stage grain development 10. 2930 DD after biofix 9.2-grains ripe and hard ==============================MODEL OUTPUT================================ Weather station: 2017 D6835 APRSWXNET DW6835 Antelope CA Lat38.7081 Long:-121.3411 Elev:155 mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- ------- 4 1 79.00 47.00 0.00 31.00 31.0 * START * 4 2 81.00 53.00 0.00 35.00 66.0 4 3 75.00 50.00 0.00 30.50 96.5 4 4 70.30 43.50 0.00 24.90 121.4 Hx Hn 4 5 73.70 58.00 0.00 33.85 155.2 Vx 4 6 63.00 52.30 1.39 25.65 180.9 Vn 4 7 62.00 47.00 1.76 22.50 203.4 4 8 58.00 43.00 0.26 18.50 221.9 4 9 64.00 39.00 0.00 19.50 241.4 4 10 69.00 42.00 0.00 23.50 264.9 4 11 68.00 54.00 0.12 29.00 293.9 0.9-germination: coleoptyle breaks through soil 4 12 66.00 52.00 0.27 27.00 320.9 4 13 63.00 47.00 0.26 23.00 343.9 4 14 64.00 39.00 0.00 19.50 363.4 1.1-1st leaf unfolds 4 15 70.00 39.00 0.00 22.50 385.9 4 16 62.00 50.00 0.61 24.00 409.9 4 17 63.00 54.00 0.15 26.50 436.4 4 18 71.00 53.00 0.11 30.00 466.4 4 19 70.00 48.00 0.14 27.00 493.4 4 20 70.00 51.00 0.14 28.50 521.9 4 21 78.00 47.00 0.00 30.50 552.4 4 22 75.00 53.00 0.00 32.00 584.4 4 23 74.00 50.00 0.00 30.00 614.4 4 24 65.00 52.00 0.00 26.50 640.9 4 25 72.00 50.00 0.00 29.00 669.9 4 26 68.00 56.00 0.00 30.00 699.9 2.1-1st tiller visible 4 27 75.00 52.00 0.00 31.50 731.4 4 28 73.00 48.00 0.00 28.50 759.9 4 29 81.00 46.00 0.00 31.50 791.4 4 30 84.00 51.00 0.00 35.50 826.9 5 1 90.00 55.00 0.00 40.50 867.4 5 2 91.00 64.00 0.00 45.50 912.9 5 3 95.00 63.00 0.00 47.00 959.9 5 4 91.00 64.00 0.00 45.50 1005.4 3.1-1st node detectable 5 5 83.00 54.00 0.00 36.50 1041.9 5 6 70.00 49.00 0.00 27.50 1069.4 5 7 77.00 52.00 0.00 32.50 1101.9 5 8 86.00 55.00 0.00 38.50 1140.4 5 9 92.00 57.00 0.00 42.50 1182.9 5 10 73.00 53.00 0.00 31.00 1213.9 5 11 75.00 50.00 0.00 30.50 1244.4 5 12 71.00 48.00 0.00 27.50 1271.9 5 13 70.00 45.00 0.00 25.50 1297.4 5 14 74.00 48.00 0.00 29.00 1326.4 4.1-flag leaf sheath extended 5 15 79.00 48.00 0.00 31.50 1357.9 5 16 65.00 50.00 0.00 25.50 1383.4 5 17 76.00 49.00 0.00 30.50 1413.9 5 18 85.00 50.00 0.00 35.50 1449.4 5 19 93.30 52.20 0.00 40.75 1490.2 Px Pn 5 20 95.60 53.10 0.00 42.35 1532.5 Px Pn 5 21 96.00 59.30 0.00 45.65 1578.2 Pn 5 22 99.00 64.00 0.00 49.50 1627.7 5 23 100.00 66.00 0.00 51.00 1678.7 5.1-tip of inflor. emerged, 1st spiklet just visible 5 24 84.00 57.00 0.00 38.50 1717.2 5 25 73.00 54.00 0.00 31.50 1748.7 5 26 73.00 52.00 0.00 30.50 1779.2 5 27 82.00 53.00 0.00 35.50 1814.7 5 28 89.00 55.00 0.00 40.00 1854.7 5 29 88.00 56.00 0.00 40.00 1894.7 5 30 82.00 53.00 0.18 35.50 1930.2 5 31 82.00 55.00 0.18 36.50 1966.7 6.1-1st anthers of flowers visible 6 1 87.00 57.00 0.00 40.00 2006.7 6 2 92.00 58.00 0.00 43.00 2049.7 6 3 93.00 62.00 0.00 45.50 2095.2 6 4 91.00 59.00 0.00 43.00 2138.2 6 5 92.00 55.00 0.00 41.50 2179.7 6 6 94.00 61.00 0.00 45.50 2225.2 6 7 82.00 58.00 0.32 38.00 2263.2 6 8 73.00 51.00 0.02 30.00 2293.2 7.1-1st grains reach half of final size 6 9 77.00 56.00 0.00 34.50 2327.7 6 10 77.00 51.00 0.00 32.00 2359.7 6 11 70.00 50.00 0.00 28.00 2387.7 6 12 76.00 52.00 0.00 32.00 2419.7 6 13 83.00 52.00 0.00 35.50 2455.2 6 14 92.00 58.00 0.00 43.00 2498.2 6 15 94.00 60.00 0.00 45.00 2543.2 6 16 100.00 66.00 0.00 51.00 2594.2 6 17 100.00 72.00 0.00 54.00 2648.2 6 18 106.60 73.00 0.00 57.80 2706.0 Px Pn 6 19 109.00 78.00 0.00 61.50 2767.5 8.5-soft dough stage grain development 6 20 108.00 75.00 0.00 59.50 2827.0 6 21 106.00 71.00 0.00 56.50 2883.5 6 22 108.00 64.00 0.00 54.00 2937.5 9.2-grains ripe and hard 6 23 104.00 72.00 0.00 56.00 2993.5 6 24 99.00 64.00 0.00 49.50 3043.0 6 25 94.00 61.00 0.00 45.50 3088.5 6 26 87.00 58.00 0.00 40.50 3129.0 6 27 89.00 58.00 0.00 41.50 3170.5 6 28 94.00 57.00 0.00 43.50 3214.0 6 29 96.00 58.00 0.00 45.00 3259.0 6 30 96.00 58.00 0.00 45.00 3304.0 Forecast using: 1910 D6835 PRISM_rev1_4km 2007-2016 AVERAGES Lat38.7081 Long-121.3411 DD50
wheat (Hard Red) Miller MSU
Location: 2017 D6835 DW6835 Antelope CA
1910 D6835 PRISM_rev1_4km 2007-2016 AVERAGES
DateDDsEvent
 4-11-17 2940.9-germination: coleoptyle breaks through soil
 4-14-17 3631.1-1st leaf unfolds
 4-26-17 7002.1-1st tiller visible
 5-4-17 10053.1-1st node detectable
 5-14-17 13264.1-flag leaf sheath extended
 5-23-17 16795.1-tip of inflor. emerged, 1st spiklet just visible
 5-31-17 19676.1-1st anthers of flowers visible
 6-8-17 22937.1-1st grains reach half of final size
 6-19-17 27678.5-soft dough stage grain development
 6-22-17 29379.2-grains ripe and hard
degree-day graph of wheat (Hard Red) Miller MSU