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winter wheat
crop model
of Karow et al 1993
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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: winter wheat
Type: crop
Model source/other links: Karow et al 1993
Calculation method: simp avg/grow
Lower threshold: 32 degrees Fahrenheit
Setting upper threshold to: 130 F (default)
Directions for starting/BIOFIX: calendar date
No starting/BIOFIX date, set to: default date 1 1
Ending date: 7 0
Model validation status: new prototype version - Contact Russ Karow at karowr@css.oregonstate.edu
Region of known use: Pacific Northwest
==============================EVENTS TABLE================================
1. 144 GDD after planting Germination complete
2. 324 GDD after planting Emergence complete
3. 504 GDD after planting 1st leaf fully developed
4. 684 GDD after planting 2nd leaf fully developed
5. 864 GDD after planting 3 leaves, T0 (coleoptile tiller)
6. 1044 GDD after planting 4 leaves, T1 (1st node tiller)
7. 1224 GDD after planting 5 leaves, T2 (2nd node tiller)
8. 1404 GDD after planting 6 leaves, T3 (3rd node tiller)
9. 1584 GDD after planting 7 leaves, T4 (4th node tiller)
==============================MODEL OUTPUT================================
Weather station: 2017 QGDA3 RAWS GOODWIN MESA AZ Lat34.7575 Long:-113.2967 Elev:4200
mn day max min precip DD32 CUMDD32 event
-- --- ----- ----- ------ ---- ------- -------
1 1 50.00 37.00 0.78 11.50 11.5 * START *
1 2 42.00 39.00 0.00 8.50 20.0
1 3 48.00 35.00 0.00 9.50 29.5
1 4 55.00 32.00 0.00 11.50 41.0
1 5 52.00 43.00 0.00 15.50 56.5
1 6 51.00 32.00 0.00 9.50 66.0
1 7 52.00 31.00 0.00 9.50 75.5
1 8 66.00 39.00 0.00 20.50 96.0
1 9 52.00 43.00 0.37 15.50 111.5
1 10 55.00 40.00 0.00 15.50 127.0
1 11 55.00 38.00 0.00 14.50 141.5
1 12 48.00 43.00 0.10 13.50 155.0 Germination complete
1 13 57.00 37.00 0.00 15.00 170.0
1 14 55.00 41.00 0.31 16.00 186.0
1 15 54.00 38.00 0.00 14.00 200.0
1 16 55.00 34.00 0.00 12.50 212.5
1 17 58.00 34.00 0.00 14.00 226.5
1 18 56.00 32.00 0.00 12.00 238.5
1 19 41.00 37.00 0.57 7.00 245.5
1 20 40.00 37.00 1.17 6.50 252.0
1 21 46.00 32.00 0.12 7.00 259.0
1 22 43.00 31.00 0.00 5.00 264.0
1 23 47.00 33.00 0.28 8.00 272.0
1 24 40.00 29.00 0.15 2.50 274.5
1 25 43.00 25.00 0.01 2.00 276.5
1 26 42.00 25.00 0.00 1.50 278.0
1 27 39.00 27.00 0.00 1.00 279.0
1 28 59.00 30.00 0.00 12.50 291.5
1 29 61.00 38.00 0.00 17.50 309.0
1 30 68.00 35.00 0.00 19.50 328.5 Emergence complete
1 31 67.00 35.00 0.00 19.00 347.5
2 1 63.00 33.00 0.00 16.00 363.5
2 2 62.00 34.00 0.00 16.00 379.5
2 3 62.00 38.00 0.00 18.00 397.5
2 4 62.00 35.00 0.00 16.50 414.0
2 5 62.00 34.00 0.00 16.00 430.0
2 6 55.00 42.00 0.00 16.50 446.5
2 7 61.00 45.00 0.00 21.00 467.5
2 8 68.00 40.00 0.00 22.00 489.5
2 9 73.00 44.00 0.00 26.50 516.0 1st leaf fully developed
2 10 70.00 46.00 0.00 26.00 542.0
2 11 58.00 46.00 0.03 20.00 562.0
2 12 54.00 46.00 0.44 18.00 580.0
2 13 62.00 44.00 0.03 21.00 601.0
2 14 64.00 43.00 0.00 21.50 622.5
2 15 65.00 38.00 0.00 19.50 642.0
2 16 64.00 37.00 0.00 18.50 660.5
2 17 56.00 48.00 0.00 20.00 680.5
2 18 51.00 40.00 0.53 13.50 694.0 2nd leaf fully developed
2 19 48.00 39.00 0.10 11.50 705.5
2 20 57.00 40.00 0.00 16.50 722.0
2 21 66.00 39.00 0.00 20.50 742.5
2 22 61.00 44.00 0.00 20.50 763.0
2 23 48.00 30.00 0.00 7.00 770.0
2 24 50.00 25.00 0.00 5.50 775.5
2 25 52.00 24.00 0.00 6.00 781.5
2 26 51.00 37.00 0.00 12.00 793.5
2 27 43.00 37.00 1.11 8.00 801.5
2 28 51.00 36.00 0.44 11.50 813.0
3 1 58.00 33.00 0.00 13.50 826.5
3 2 66.00 39.00 0.00 20.50 847.0
3 3 69.00 37.00 0.00 21.00 868.0 3 leaves, T0 (coleoptile tiller)
3 4 62.00 37.00 0.00 17.50 885.5
3 5 57.00 43.00 0.00 18.00 903.5
3 6 56.00 30.00 0.00 11.00 914.5
3 7 66.00 32.00 0.00 17.00 931.5
3 8 73.00 40.00 0.00 24.50 956.0
3 9 76.00 45.00 0.00 28.50 984.5
3 10 76.00 45.00 0.00 28.50 1013.0
3 11 79.00 48.00 0.00 31.50 1044.5 4 leaves, T1 (1st node tiller)
3 12 78.00 48.00 0.00 31.00 1075.5
3 13 81.00 53.00 0.00 35.00 1110.5
3 14 81.00 48.00 0.00 32.50 1143.0
3 15 79.00 48.00 0.00 31.50 1174.5
3 16 78.00 46.00 0.00 30.00 1204.5
3 17 78.00 46.00 0.00 30.00 1234.5 5 leaves, T2 (2nd node tiller)
3 18 79.00 48.00 0.00 31.50 1266.0
3 19 82.00 47.00 0.00 32.50 1298.5
3 20 81.00 50.00 0.00 33.50 1332.0
3 21 75.00 49.00 0.00 30.00 1362.0
3 22 62.00 43.00 0.41 20.50 1382.5
3 23 56.00 40.00 0.00 16.00 1398.5
3 24 67.00 35.00 0.00 19.00 1417.5 6 leaves, T3 (3rd node tiller)
3 25 65.00 42.00 0.00 21.50 1439.0
3 26 68.00 39.00 0.00 21.50 1460.5
3 27 66.00 43.00 0.03 22.50 1483.0
3 28 64.00 42.00 0.00 21.00 1504.0
3 29 75.00 42.00 0.00 26.50 1530.5
3 30 71.00 41.00 0.00 24.00 1554.5
3 31 49.00 39.00 0.00 12.00 1566.5
4 1 62.00 39.00 0.00 18.50 1585.0 7 leaves, T4 (4th node tiller)
4 2 72.00 37.00 0.00 22.50 1607.5
4 3 69.00 41.00 0.06 23.00 1630.5
4 4 69.60 38.60 0.00 22.10 1652.6 Hx Hn
4 5 72.00 40.10 0.00 24.05 1676.6 Hn
4 6 76.00 44.00 0.00 28.00 1704.6
4 7 75.00 52.00 0.00 31.50 1736.1
4 8 69.00 50.00 0.00 27.50 1763.6
4 9 65.00 39.00 0.00 20.00 1783.6
4 10 71.00 40.00 0.00 23.50 1807.1
4 11 74.00 41.00 0.00 25.50 1832.6
4 12 78.00 42.00 0.00 28.00 1860.6
4 13 77.00 46.00 0.00 29.50 1890.1
4 14 72.00 43.00 0.00 25.50 1915.6
4 15 76.00 41.00 0.00 26.50 1942.1
4 16 78.00 44.00 0.00 29.00 1971.1
4 17 78.00 49.00 0.00 31.50 2002.6
4 18 78.00 47.00 0.00 30.50 2033.1
4 19 77.00 48.00 0.00 30.50 2063.6
4 20 78.00 45.00 0.00 29.50 2093.1
4 21 79.00 51.00 0.00 33.00 2126.1
4 22 83.00 52.00 0.00 35.50 2161.6
4 23 82.00 48.00 0.00 33.00 2194.6
4 24 74.00 50.00 0.00 30.00 2224.6
4 25 70.00 46.00 0.00 26.00 2250.6
4 26 76.00 41.00 0.00 26.50 2277.1
4 27 76.00 52.00 0.00 32.00 2309.1
4 28 63.00 48.00 0.00 23.50 2332.6
4 29 67.00 43.00 0.00 23.00 2355.6
4 30 76.00 41.00 0.00 26.50 2382.1
5 1 81.00 45.00 0.00 31.00 2413.1
5 2 85.00 50.00 0.00 35.50 2448.6
5 3 87.00 55.00 0.00 39.00 2487.6
5 4 89.00 55.00 0.00 40.00 2527.6
5 5 92.00 55.00 0.00 41.50 2569.1
5 6 80.00 56.00 0.00 36.00 2605.1
5 7 61.00 45.00 0.00 21.00 2626.1
5 8 72.00 40.00 0.04 24.00 2650.1
5 9 53.00 44.00 0.19 16.50 2666.6
5 10 64.00 39.00 0.00 19.50 2686.1
5 11 79.00 46.00 0.00 30.50 2716.6
5 12 81.00 57.90 0.00 37.45 2754.1 Pn
5 13 76.00 54.00 0.00 33.00 2787.1
5 14 74.00 51.00 0.00 30.50 2817.6
5 15 67.00 46.00 0.00 24.50 2842.1
5 16 65.00 43.00 0.00 22.00 2864.1
5 17 66.00 45.00 0.00 23.50 2887.6
5 18 67.00 42.00 0.00 22.50 2910.1
5 19 75.00 42.00 0.00 26.50 2936.6
5 20 80.00 54.00 0.00 35.00 2971.6
5 21 87.00 55.00 0.00 39.00 3010.6
5 22 88.00 60.00 0.00 42.00 3052.6
5 23 91.00 59.00 0.00 43.00 3095.6
5 24 90.00 61.00 0.00 43.50 3139.1
5 25 85.00 61.00 0.00 41.00 3180.1
5 26 79.00 56.00 0.00 35.50 3215.6
5 27 82.00 56.00 0.00 37.00 3252.6
5 28 88.00 58.00 0.00 41.00 3293.6
5 29 90.00 62.00 0.00 44.00 3337.6
5 30 89.00 63.00 0.00 44.00 3381.6
5 31 85.00 63.00 0.00 42.00 3423.6
6 1 84.00 62.00 0.00 41.00 3464.6
6 2 89.00 59.00 0.00 42.00 3506.6
6 3 94.00 63.00 0.00 46.50 3553.1
6 4 93.00 65.00 0.00 47.00 3600.1
6 5 93.00 67.00 0.00 48.00 3648.1
6 6 93.00 65.00 0.00 47.00 3695.1
6 7 92.00 66.00 0.00 47.00 3742.1
6 8 90.00 63.00 0.00 44.50 3786.6
6 9 90.00 64.00 0.00 45.00 3831.6
6 10 85.00 62.00 0.00 41.50 3873.1
6 11 81.00 60.00 0.00 38.50 3911.6
6 12 74.00 54.00 0.00 32.00 3943.6
6 13 83.00 48.00 0.00 33.50 3977.1
6 14 90.00 58.00 0.00 42.00 4019.1
6 15 94.00 60.00 0.00 45.00 4064.1
6 16 96.00 64.00 0.00 48.00 4112.1
6 17 98.00 65.00 0.00 49.50 4161.6
6 18 102.00 70.00 0.00 54.00 4215.6
6 19 105.00 75.00 0.00 58.00 4273.6
6 20 106.00 77.00 0.00 59.50 4333.1
6 21 104.00 76.00 0.00 58.00 4391.1
6 22 100.00 75.00 0.00 55.50 4446.6
6 23 102.00 72.00 0.00 55.00 4501.6
6 24 105.00 73.00 0.00 57.00 4558.6
6 25 101.00 81.00 0.00 59.00 4617.6
6 26 98.00 70.00 0.00 52.00 4669.6
6 27 94.00 71.00 0.00 50.50 4720.1
6 28 93.00 70.00 0.00 49.50 4769.6
6 29 93.00 70.00 0.00 49.50 4819.1
6 30 96.00 65.00 0.00 48.50 4867.6
Forecast using: 1910 QGDA3 PRISM_rev1_4km 2007-2016 AVERAGES Lat34.7575 Long-113.2967 DD50
winter wheat Karow et al 1993Location: 2017 QGDA3 GOODWIN MESA AZ 1910 QGDA3 PRISM_rev1_4km 2007-2016 AVERAGES | Date | DDs | Event |
| 1-12-17 | 155 | Germination complete |
| 1-30-17 | 328 | Emergence complete |
| 2-9-17 | 516 | 1st leaf fully developed |
| 2-18-17 | 694 | 2nd leaf fully developed |
| 3-3-17 | 868 | 3 leaves, T0 (coleoptile tiller) |
| 3-11-17 | 1044 | 4 leaves, T1 (1st node tiller) |
| 3-17-17 | 1234 | 5 leaves, T2 (2nd node tiller) |
| 3-24-17 | 1418 | 6 leaves, T3 (3rd node tiller) |
| 4-1-17 | 1585 | 7 leaves, T4 (4th node tiller) |
