Online Phenology Models and Degree-day Calculator
weed group
small broomrape (red clover)
weed model of Eizenberg et al 2005, PNW Weed HB


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: small broomrape (red clover) Type: weed Model source/other links: Eizenberg et al 2005, PNW Weed HB 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: validated Region of known use: Western Oregon ==============================EVENTS TABLE================================ 1. 720 cumulative GDD after Jan 1 Initial attachment to red clover 2. 1340 cumulative GDD after Jan 1 *NOTE:check herbicide pregrazing and preharvest intervals prior to any application 3. 1440 cumulative GDD after Jan 1 Begin herbicide applic. window * 4. 1800 cumulative GDD after Jan 1 Approx. end of herbicide applic. window * 5. 1980 cumulative GDD after Jan 1 Small broomrape flower stalk emergence 6. 2160 cumulative GDD after Jan 1 Beginning of red clover growth reduction because of parasitism ==============================MODEL OUTPUT================================ Weather station: 2017 AU340 APRSWXNET N7ZVJ-2 Gilbert AZ Lat33.2311 Long:-111.7156 Elev:1332 mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- ------- 1 1 58.00 51.00 0.00 22.50 22.5 * START * 1 2 58.00 49.00 0.00 21.50 44.0 1 3 62.00 43.00 0.00 20.50 64.5 1 4 69.00 42.00 0.00 23.50 88.0 1 5 69.00 46.00 0.00 25.50 113.5 1 6 67.00 48.00 0.00 25.50 139.0 1 7 66.00 40.00 0.00 21.00 160.0 1 8 73.00 46.00 0.00 27.50 187.5 1 9 68.00 51.00 0.00 27.50 215.0 1 10 73.00 48.00 0.00 28.50 243.5 1 11 68.00 47.00 0.00 25.50 269.0 1 12 72.00 44.00 0.00 26.00 295.0 1 13 64.00 55.00 0.00 27.50 322.5 1 14 66.00 56.00 0.00 29.00 351.5 1 15 60.00 52.00 0.00 24.00 375.5 1 16 63.00 47.00 0.00 23.00 398.5 1 17 63.00 41.00 0.00 20.00 418.5 1 18 67.00 41.00 0.00 22.00 440.5 1 19 58.00 46.00 0.00 20.00 460.5 1 20 57.00 49.00 0.00 21.00 481.5 1 21 60.00 47.00 0.00 21.50 503.0 1 22 61.00 43.00 0.00 20.00 523.0 1 23 64.00 49.00 0.00 24.50 547.5 1 24 57.00 41.00 0.00 17.00 564.5 1 25 58.00 34.00 0.00 14.00 578.5 1 26 59.00 34.00 0.00 14.50 593.0 1 27 58.00 34.00 0.00 14.00 607.0 1 28 64.00 39.00 0.00 19.50 626.5 1 29 72.00 35.00 0.00 21.50 648.0 1 30 77.00 40.00 0.00 26.50 674.5 1 31 75.00 41.00 0.00 26.00 700.5 2 1 75.00 43.00 0.00 27.00 727.5 Initial attachment to red clover 2 2 75.00 45.00 0.00 28.00 755.5 2 3 71.00 44.00 0.00 25.50 781.0 2 4 76.00 44.00 0.00 28.00 809.0 2 5 77.00 45.00 0.00 29.00 838.0 2 6 68.00 53.00 0.00 28.50 866.5 2 7 74.00 49.00 0.00 29.50 896.0 2 8 78.00 51.00 0.00 32.50 928.5 2 9 83.00 52.00 0.00 35.50 964.0 2 10 85.90 53.00 0.00 37.45 1001.5 Vx 2 11 81.00 58.00 0.00 37.50 1039.0 2 12 75.00 59.00 0.00 35.00 1074.0 2 13 73.00 60.00 0.00 34.50 1108.5 2 14 75.00 56.00 0.00 33.50 1142.0 2 15 73.00 53.00 0.00 31.00 1173.0 2 16 77.00 50.00 0.00 31.50 1204.5 2 17 75.00 54.00 0.00 32.50 1237.0 2 18 67.00 51.00 0.00 27.00 1264.0 2 19 60.00 50.00 0.00 23.00 1287.0 2 20 71.00 48.00 0.00 27.50 1314.5 2 21 76.00 49.00 0.00 30.50 1345.0 *NOTE:check herbicide pregrazing and preharvest intervals prior to any application 2 22 79.00 54.00 0.00 34.50 1379.5 2 23 64.00 48.00 0.00 24.00 1403.5 2 24 65.00 38.00 0.00 19.50 1423.0 2 25 68.00 39.00 0.00 21.50 1444.5 Begin herbicide applic. window * 2 26 69.00 50.00 0.00 27.50 1472.0 2 27 70.00 50.00 0.00 28.00 1500.0 2 28 67.00 50.00 0.00 26.50 1526.5 3 1 70.00 42.00 0.00 24.00 1550.5 3 2 76.00 41.00 0.00 26.50 1577.0 3 3 79.00 50.00 0.00 32.50 1609.5 3 4 82.00 56.00 0.00 37.00 1646.5 3 5 76.00 57.00 0.00 34.50 1681.0 3 6 69.00 49.00 0.00 27.00 1708.0 3 7 77.00 41.00 0.00 27.00 1735.0 3 8 85.00 46.00 0.00 33.50 1768.5 3 9 85.00 50.00 0.00 35.50 1804.0 Approx. end of herbicide applic. window * 3 10 91.00 51.00 0.00 39.00 1843.0 3 11 90.00 56.00 0.00 41.00 1884.0 3 12 91.00 57.00 0.00 42.00 1926.0 3 13 92.00 56.00 0.00 42.00 1968.0 3 14 95.00 58.00 0.00 44.50 2012.5 Small broomrape flower stalk emergence 3 15 94.00 58.00 0.00 44.00 2056.4 3 16 96.00 59.00 0.00 45.50 2101.9 3 17 95.00 59.00 0.00 45.00 2146.9 3 18 98.00 63.00 0.00 48.50 2195.4 Beginning of red clover growth reduction because of parasitism 3 19 96.00 61.00 0.00 46.50 2241.9 3 20 98.00 61.00 0.00 47.50 2289.4 3 21 94.00 65.00 0.00 47.50 2336.9 3 22 85.00 59.00 0.00 40.00 2376.9 3 23 69.00 53.00 0.00 29.00 2405.9 3 24 79.00 51.00 0.00 33.00 2438.9 3 25 83.00 53.00 0.00 36.00 2474.9 3 26 82.00 52.00 0.00 35.00 2509.9 3 27 84.00 56.00 0.00 38.00 2547.9 3 28 77.00 56.00 0.00 34.50 2582.4 3 29 84.00 51.00 0.00 35.50 2617.9 3 30 89.00 58.00 0.00 41.50 2659.4 3 31 67.00 55.00 0.00 29.00 2688.4 4 1 72.00 47.00 0.00 27.50 2715.9 4 2 82.00 49.00 0.00 33.50 2749.4 4 3 86.00 54.00 0.00 38.00 2787.4 4 4 82.00 51.00 0.00 34.50 2821.9 Hx Hn 4 5 83.70 62.00 0.00 40.85 2862.8 Hx 4 6 92.00 58.20 0.00 43.10 2905.9 Vn 4 7 91.00 60.00 0.00 43.50 2949.4 4 8 88.00 58.00 0.00 41.00 2990.4 4 9 81.00 60.00 0.00 38.50 3028.9 4 10 86.00 49.00 0.00 35.50 3064.4 4 11 90.00 53.00 0.00 39.50 3103.9 4 12 92.00 56.00 0.00 42.00 3145.9 4 13 93.00 59.00 0.00 44.00 3189.9 4 14 91.00 56.00 0.00 41.50 3231.4 4 15 89.00 57.00 0.00 41.00 3272.4 4 16 92.00 56.00 0.00 42.00 3314.4 4 17 93.00 58.00 0.00 43.50 3357.9 4 18 95.00 60.00 0.00 45.50 3403.4 4 19 92.00 69.00 0.00 48.50 3451.9 4 20 93.00 58.00 0.00 43.50 3495.4 4 21 94.00 58.00 0.00 44.00 3539.4 4 22 97.00 60.00 0.00 46.50 3585.9 4 23 101.00 63.00 0.00 50.00 3635.9 4 24 93.00 67.00 0.00 48.00 3683.9 4 25 85.00 68.00 0.00 44.50 3728.4 4 26 90.00 61.00 0.00 43.50 3771.9 4 27 91.00 63.00 0.00 45.00 3816.9 4 28 82.00 65.00 0.00 41.50 3858.4 4 29 79.00 56.00 0.00 35.50 3893.9 4 30 87.00 54.00 0.00 38.50 3932.4 5 1 93.00 60.00 0.00 44.50 3976.9 5 2 97.00 62.00 0.00 47.50 4024.4 5 3 99.00 65.00 0.00 50.00 4074.4 5 4 105.00 68.00 0.00 54.50 4128.9 5 5 108.00 71.00 0.00 57.50 4186.4 5 6 97.00 72.00 0.00 52.50 4238.9 5 7 74.00 64.00 0.00 37.00 4275.9 5 8 83.00 59.00 0.00 39.00 4314.9 5 9 76.00 56.00 0.00 34.00 4348.9 5 10 80.00 58.00 0.00 37.00 4385.9 5 11 91.00 59.00 0.00 43.00 4428.9 5 12 99.00 71.00 0.00 53.00 4481.9 5 13 98.00 67.00 0.00 50.50 4532.4 5 14 93.00 71.00 0.00 50.00 4582.4 5 15 87.00 68.00 0.00 45.50 4627.9 5 16 79.00 59.00 0.00 37.00 4664.9 5 17 86.00 56.00 0.00 39.00 4703.9 5 18 86.00 65.00 0.00 43.50 4747.4 5 19 86.00 59.00 0.00 40.50 4787.9 5 20 94.00 61.00 0.00 45.50 4833.4 5 21 101.00 65.00 0.00 51.00 4884.4 5 22 105.00 67.00 0.00 54.00 4938.4 5 23 106.00 70.00 0.00 56.00 4994.4 5 24 107.00 73.00 0.00 58.00 5052.4 5 25 99.00 82.00 0.00 58.50 5110.9 5 26 96.00 77.00 0.00 54.50 5165.4 5 27 98.00 66.00 0.00 50.00 5215.4 5 28 102.00 65.00 0.00 51.50 5266.9 5 29 106.00 68.00 0.00 55.00 5321.9 5 30 103.00 73.00 0.00 56.00 5377.9 5 31 103.00 71.00 0.00 55.00 5432.9 6 1 100.00 74.00 0.00 55.00 5487.9 6 2 103.00 69.00 0.00 54.00 5541.9 6 3 107.00 71.00 0.00 57.00 5598.9 6 4 108.00 76.00 0.00 60.00 5658.9 6 5 109.00 74.30 0.00 59.65 5718.5 Pn 6 6 108.00 76.00 0.00 60.00 5778.5 6 7 109.00 77.00 0.00 61.00 5839.5 6 8 105.00 75.00 0.00 58.00 5897.5 6 9 107.00 73.00 0.00 58.00 5955.5 6 10 104.00 79.00 0.00 59.50 6015.0 6 11 100.00 74.00 0.00 55.00 6070.0 6 12 96.00 71.00 0.00 51.50 6121.5 6 13 98.00 64.00 0.00 49.00 6170.5 6 14 105.00 62.00 0.00 51.50 6222.0 6 15 109.00 67.00 0.00 56.00 6278.0 6 16 110.00 75.00 0.00 60.50 6338.5 6 17 111.00 72.00 0.00 59.50 6398.0 6 18 112.00 73.00 0.00 60.50 6458.5 6 19 119.00 79.00 0.00 67.00 6525.5 6 20 120.00 83.00 0.00 69.50 6595.0 6 21 119.00 86.00 0.00 70.50 6665.5 6 22 114.00 83.00 0.00 66.50 6732.0 6 23 113.00 83.00 0.00 66.00 6798.0 6 24 117.00 80.00 0.00 66.50 6864.5 6 25 116.00 91.00 0.00 71.50 6936.0 6 26 112.00 89.00 0.00 68.50 7004.5 6 27 110.00 83.00 0.00 64.50 7069.0 6 28 109.00 79.00 0.00 62.00 7131.0 6 29 109.00 78.00 0.00 61.50 7192.5 6 30 109.00 78.00 0.00 61.50 7254.0 Forecast using: 1910 AU340 PRISM_rev1_4km 2007-2016 AVERAGES Lat33.2311 Long-111.7156 DD50
small broomrape (red clover) Eizenberg et al 2005
Location: 2017 AU340 N7ZVJ-2 Gilbert AZ
1910 AU340 PRISM_rev1_4km 2007-2016 AVERAGES
DateDDsEvent
 2-1-17 728Initial attachment to red clover
 2-21-17 1345*NOTE:check herbicide pregrazing and preharvest intervals prior to any application
 2-25-17 1444Begin herbicide applic. window *
 3-9-17 1804Approx. end of herbicide applic. window *
 3-14-17 2012Small broomrape flower stalk emergence
 3-18-17 2195Beginning of red clover growth reduction because of parasitism
degree-day graph of small broomrape (red clover)  Eizenberg et al 2005