|
Output from uspest.org/wea weed degree-day/phenology model program:
Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================
Model species/general links: CROPTIME models, hairy nightshade
Type: weed
Model source/other links: Croptime project, CROPTIME weed model
Calculation method: single sine
Lower threshold: 40 degrees Fahrenheit
Upper threshold: 95 degrees Fahrenheit
Directions for starting/BIOFIX: first emergence of cotyledon
Starting/BIOFIX date: 6 10
Ending date: 7 0
Model validation status: research model - not yet validated
Region of known use: W. OR
==============================EVENTS TABLE================================
1. 1 DDs after cotyledon: Cotyledon present
2. 169 DDs after cotyledon: 2 leaves present
3. 325 DDs after cotyledon: 4-5 leaves present
4. 506 DDs after cotyledon: 6-7 leaves present
5. 766 DDs after cotyledon: First flowering
6. 1668 DDs after cotyledon: Lower 95% CI first viable seed
7. 1811 DDs after cotyledon: Average first viable seed
8. 1954 DDs after cotyledon: Upper 95% CI first viable seed
==============================MODEL OUTPUT================================
Weather station: 2017 KAVQ METAR Tucson Marana Reg Apt AZ Lat:32.4094 Long:-111.2183 Elev:2031
mn day max min precip DD40 CUMDD40 event
-- --- ----- ----- ------ ---- ------- -------
6 10 101.30 67.80 0.00 43.37 43.4 * START * Cotyledon present
6 11 98.40 70.50 0.00 43.94 87.3
6 12 93.90 68.00 0.00 40.95 128.3
6 13 91.90 57.00 0.00 34.45 162.7
6 14 100.00 61.20 0.00 39.83 202.5 2 leaves present
6 15 103.30 66.20 0.00 43.04 245.6
6 16 103.80 70.20 0.00 45.03 290.6
6 17 103.30 71.20 0.00 45.41 336.0 4-5 leaves present
6 18 105.10 72.50 0.00 46.33 382.4
6 19 111.60 74.80 0.00 48.22 430.6
6 20 113.00 82.60 0.00 51.48 482.0
6 21 113.40 81.70 0.00 51.16 533.2 6-7 leaves present
6 22 108.00 84.70 0.00 51.94 585.2
6 23 108.50 79.20 0.00 49.75 634.9
6 24 110.70 79.90 0.00 50.25 685.1
6 25 109.80 89.40 0.09 53.72 738.9
6 26 104.50 85.10 0.00 51.81 790.7 First flowering
6 27 106.00 79.30 0.00 49.51 840.2
6 28 104.40 77.50 0.00 48.50 888.7
6 29 103.50 75.90 0.00 47.63 936.3
6 30 102.90 70.50 0.00 45.00 981.3
Forecast using: 1910 KAVQ PRISM_rev1_4km 2007-2016 AVERAGES Lat32.4094 Long-111.2183 DD50
CROPTIME models Croptime projectLocation: 2017 KAVQ Tucson Marana Reg 1910 KAVQ PRISM_rev1_4km 2007-2016 AVERAGES Date | DDs | Event |
6-10-17 | 43 | Cotyledon present |
6-14-17 | 203 | 2 leaves present |
6-17-17 | 336 | 4-5 leaves present |
6-21-17 | 533 | 6-7 leaves present |
6-26-17 | 791 | First flowering |
3-31-17 | 1685 | Lower 95% CI first viable seed |
4-6-17 | 1837 | Average first viable seed |
4-10-17 | 1958 | Upper 95% CI first viable seed |