Online Phenology Models and Degree-day Calculator
immaturedamageadult
San Jose scale [tree fruits]
insect model of Rice etal (1982)


Output from uspest.org/wea insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: San Jose scale [tree fruits] Type: insect Model source/other links: Rice etal (1982) Calculation method: single sine Lower threshold: 51 degrees Fahrenheit Upper threshold: 90 degrees Fahrenheit Directions for starting/BIOFIX: first male scale from overwintering generation Starting/BIOFIX date: 3 15 Ending date: 8 31 Model validation status: partly validated Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 305 DD after 1st male from OW gen: 100 degree-days until first crawler 2. 405 DD after 1st male from OW gen: first crawler emergence 3. 605 DD after 1st male from OW gen: UC Davis rec. crawler treatment 4. 723 DD after 1st male from OW gen: first second instars 5. 936 DD after 1st male from OW gen: first pupae 6. 1031 DD after 1st male from OW gen: 1st male catch next generation 7. 1050 DD after 1st male from OW gen: first mating next generation 8. 1455 DD after 1st male from OW gen: first crawlers second generation ==============================MODEL OUTPUT================================ Weather station: 2016 MF25976 MILTON_FREEWATER_GROWERS Davis Nash Gala OR Lat:45.9667 Long:-118.4167 Elev:882 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 65.50 42.10 0.00 5.23 5.2 * START *Vx Vn 4 26 66.50 43.00 0.00 5.81 11.0 Vx Vn 4 27 61.30 49.50 0.00 4.63 15.7 Vx Vn 4 28 71.30 50.10 0.00 9.78 25.4 Vx Vn 4 29 57.90 50.70 0.00 3.33 28.8 Vx Vn 4 30 68.50 47.90 0.00 7.72 36.5 Vx Vn 5 1 77.90 41.40 0.00 10.80 47.3 Vx Vn 5 2 85.00 47.20 0.00 15.62 62.9 Vx Vn 5 3 68.60 45.70 0.00 7.26 70.2 Hx Hn 5 4 68.90 45.90 0.00 7.44 77.6 Hx Hn 5 5 69.20 46.20 0.00 7.65 85.3 Hx Hn 5 6 77.60 53.40 0.00 14.50 99.8 Vx Vn 5 7 82.50 53.10 0.00 16.80 116.6 Vx Vn 5 8 77.60 54.50 0.00 15.05 131.6 Vx Vn 5 9 65.50 47.50 0.00 6.17 137.8 Vx Vn 5 10 75.30 41.20 0.00 9.55 147.3 Vx Vn 5 11 81.80 46.30 0.00 13.79 161.1 Vx Vn 5 12 86.00 63.10 0.00 23.55 184.7 Vx Vn 5 13 83.10 48.40 0.00 15.05 199.7 Vx Vn 5 14 67.90 54.40 0.00 10.15 209.9 Vx Vn 5 15 58.70 52.30 0.00 4.50 214.4 Vx Vn 5 16 72.00 52.40 0.00 11.20 225.6 Vx Vn 5 17 79.00 50.10 0.00 13.62 239.2 Vx Vn 5 18 83.50 56.50 0.00 19.00 258.2 Vx Vn 5 19 67.00 49.90 0.00 7.57 265.8 Vx Vn 5 20 62.30 42.10 0.00 3.84 269.6 Vx Vn 5 21 64.30 48.20 0.00 5.75 275.3 Vx Vn 5 22 67.90 52.50 0.00 9.20 284.5 Vx Vn 5 23 70.30 52.00 0.00 10.15 294.7 Vx Vn 5 24 73.00 52.00 0.00 11.50 306.2 Vx Vn 100 degree-days until first crawler 5 25 78.50 51.70 0.00 14.10 320.3 Vx Vn 5 26 70.50 53.70 0.00 11.10 331.4 Vx Vn 5 27 67.50 50.80 0.00 8.16 339.6 Vx Vn 5 28 75.40 49.10 0.00 11.47 351.0 Vx Vn 5 29 78.50 55.30 0.00 15.90 366.9 Vx Vn 5 30 76.30 49.30 0.00 11.98 378.9 Vx Vn 5 31 84.80 47.20 0.00 15.52 394.4 Vx Vn 6 1 85.30 54.00 0.00 18.65 413.1 Vx Vn first crawler emergence 6 2 76.90 64.20 0.00 19.55 432.6 Vx Vn 6 3 86.80 59.00 0.00 21.90 454.5 Vx Vn 6 4 94.10 54.10 0.00 22.54 477.1 Vx Vn 6 5 95.50 59.00 0.00 25.33 502.4 Vx Vn 6 6 99.40 67.30 0.00 30.12 532.5 Vx Vn 6 7 98.30 69.00 0.00 30.72 563.2 Vx Vn 6 8 86.00 64.60 0.00 24.30 587.5 Vx Vn 6 9 78.20 58.30 0.00 17.25 604.8 Vx Vn 6 10 70.00 54.40 0.00 11.20 616.0 Vx Vn UC Davis rec. crawler treatment 6 11 72.10 50.00 0.00 10.14 626.1 Vx Vn 6 12 78.60 49.20 0.00 13.09 639.2 Vx Vn 6 13 74.90 58.40 0.00 15.65 654.9 Vx Vn 6 14 68.70 51.60 0.00 9.15 664.0 Vx Vn 6 15 68.10 47.90 0.00 7.52 671.5 Vx Vn 6 16 68.30 49.10 0.00 7.96 679.5 Vx Vn 6 17 80.20 48.80 0.00 13.75 693.2 Vx Vn 6 18 67.30 53.40 0.00 9.35 702.6 Vx Vn 6 19 77.20 46.70 0.00 11.64 714.2 Vx Vn 6 20 81.50 50.10 0.00 14.86 729.1 Vx Vn first second instars 6 21 79.80 57.90 0.00 17.85 746.9 Vx Vn 6 22 85.70 48.70 0.00 16.44 763.4 Vx Vn 6 23 81.50 62.30 0.00 20.90 784.3 Vx Vn 6 24 73.80 54.40 0.00 13.10 797.4 Vx Vn 6 25 81.50 51.80 0.00 15.65 813.0 Vx Vn 6 26 91.50 52.50 0.00 20.87 833.9 Vx Vn 6 27 93.50 60.40 0.00 25.46 859.4 Vx Vn 6 28 95.20 66.60 0.00 28.94 888.3 Vx Vn 6 29 94.50 65.10 0.00 28.04 916.4 Vx Vn 6 30 90.40 65.80 0.00 27.08 943.4 Vx Vn first pupae 7 1 89.00 63.20 0.00 25.10 968.5 Vx Vn 7 2 90.00 63.10 0.00 25.55 994.1 Vx Vn 7 3 85.60 64.80 0.00 24.20 1018.3 Vx Vn 7 4 80.50 57.60 0.00 18.05 1036.3 Vx Vn 1st male catch next generation 7 5 78.40 55.40 0.00 15.90 1052.2 Vx Vn first mating next generation 7 6 81.20 59.60 0.00 19.40 1071.6 Vx Vn 7 7 81.60 60.50 0.00 20.05 1091.7 Vx Vn 7 8 77.80 61.50 0.00 18.65 1110.3 Vx Vn 7 9 78.00 58.30 0.00 17.15 1127.5 Vx Vn 7 10 69.80 59.00 0.00 13.40 1140.9 Vx Vn 7 11 80.80 59.00 0.00 18.90 1159.8 Vx Vn 7 12 79.80 59.80 0.00 18.80 1178.6 Vx Vn 7 13 83.40 56.70 0.00 19.05 1197.6 Vx Vn 7 14 89.80 57.90 0.00 22.85 1220.5 Vx Vn 7 15 81.40 57.90 0.00 18.65 1239.1 Vx Vn 7 16 83.70 59.20 0.00 20.45 1259.6 Vx Vn 7 17 88.00 58.00 0.00 22.00 1281.6 Vx Vn 7 18 80.80 61.50 0.00 20.15 1301.7 Vx Vn 7 19 79.70 60.40 0.00 19.05 1320.8 Vx Vn 7 20 87.40 61.10 0.00 23.25 1344.0 Vx Vn 7 21 95.20 57.00 0.00 24.27 1368.3 Vx Vn 7 22 83.00 64.70 0.00 22.85 1391.2 Vx Vn 7 23 84.10 59.00 0.00 20.55 1411.7 Vx Vn 7 24 90.20 54.50 0.00 21.34 1433.1 Vx Vn 7 25 96.90 59.80 0.00 26.06 1459.1 Vx Vn first crawlers second generation 7 26 95.90 72.40 0.00 31.86 1491.0 Vx Vn 7 27 95.20 69.40 0.00 30.29 1521.3 Vx Vn 7 28 99.40 68.80 0.00 30.81 1552.1 Vx Vn 7 29 101.70 70.20 0.00 31.80 1583.9 Vx Vn 7 30 94.70 71.80 0.00 31.33 1615.2 Vx Vn 7 31 86.90 62.50 0.00 23.70 1638.9 Vx Vn 8 1 90.90 57.00 0.00 22.89 1661.8 Vx Vn 8 2 78.60 62.10 0.00 19.35 1681.1 Vx Vn 8 3 84.00 55.20 0.00 18.60 1699.7 Vx Vn 8 4 92.90 55.00 0.00 22.61 1722.3 Vx Vn 8 5 94.20 63.30 0.00 27.08 1749.4 Vx Vn 8 6 87.90 61.30 0.00 23.60 1773.0 Vx Vn 8 7 82.90 62.40 0.00 21.65 1794.7 Vx Vn 8 8 77.10 53.50 0.00 14.30 1809.0 Vx Vn 8 9 74.60 56.90 0.00 14.75 1823.7 Vx Vn 8 10 84.30 56.00 0.00 19.15 1842.9 Vx Vn 8 11 90.30 57.60 0.00 22.94 1865.8 Vx Vn 8 12 95.70 61.30 0.00 26.50 1892.3 Vx Vn 8 13 97.70 65.40 0.00 28.91 1921.2 Vx Vn 8 14 95.60 70.50 0.00 30.90 1952.1 Vx Vn 8 15 95.80 63.10 0.00 27.39 1979.5 Vx Vn 8 16 95.70 64.90 0.00 28.24 2007.8 Vx Vn 8 17 95.00 63.90 0.00 27.58 2035.3 Vx Vn 8 18 96.70 65.80 0.00 28.90 2064.2 Vx Vn 8 19 90.60 64.00 0.00 26.26 2090.5 Vx Vn 8 20 94.40 55.40 0.00 23.27 2113.8 Vx Vn 8 21 94.00 66.90 0.00 28.79 2142.6 Vx Vn 8 22 79.50 56.90 0.00 17.20 2159.8 Vx Vn 8 23 82.80 54.60 0.00 17.70 2177.5 Vx Vn 8 24 87.00 53.90 0.00 19.45 2196.9 Vx Vn 8 25 89.50 53.00 0.00 20.25 2217.2 Vx Vn 8 26 91.40 57.10 0.00 23.13 2240.3 Vx Vn 8 27 90.80 68.80 0.00 28.74 2269.0 Vx Vn 8 28 89.20 60.40 0.00 23.80 2292.8 Vx Vn 8 29 94.30 57.70 0.00 24.37 2317.2 Vx Vn 8 30 82.20 61.90 0.00 21.05 2338.2 Vx Vn 8 31 83.20 59.40 0.00 20.30 2358.5 Vx Vn Forecast using: 10 yr Hist Avg MF25976 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF25976 Davis Nash Gala
DateDDsEvent
 5-24-16 306100 degree-days until first crawler
 6-1-16 413first crawler emergence
 6-10-16 616UC Davis rec. crawler treatment
 6-20-16 729first second instars
 6-30-16 943first pupae
 7-4-16 10361st male catch next generation
 7-5-16 1052first mating next generation
 7-25-16 1459first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)