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 MF25442 MILTON_FREEWATER_GROWERS Burkes Klepper OR Lat45.9600 Long:-118.4106 Elev:908 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 64.80 43.40 0.00 5.10 5.1 * START * 4 26 64.10 43.90 0.00 4.86 10.0 4 27 60.70 49.00 0.01 4.21 14.2 4 28 69.50 51.10 0.00 9.30 23.5 4 29 58.10 52.00 0.00 4.05 27.5 4 30 67.70 48.90 0.01 7.60 35.1 5 1 76.80 40.90 0.00 10.19 45.3 5 2 85.30 44.80 0.00 15.10 60.4 5 3 90.90 69.00 0.00 28.87 89.3 5 4 79.80 58.70 0.01 18.25 107.5 5 5 69.10 46.30 0.00 7.63 115.2 Hx Hn 5 6 77.50 53.40 0.00 14.45 129.6 5 7 82.60 53.10 0.00 16.85 146.5 5 8 78.30 55.20 0.00 15.75 162.2 5 9 66.40 48.20 0.00 6.77 169.0 5 10 72.30 42.30 0.00 8.35 177.3 5 11 81.50 46.40 0.00 13.67 191.0 Vx Vn 5 12 84.40 63.40 0.00 22.90 213.9 5 13 82.50 47.50 0.00 14.47 228.4 5 14 69.50 54.70 0.10 11.10 239.5 5 15 59.40 53.90 0.04 5.65 245.1 5 16 72.40 53.40 0.02 11.90 257.0 5 17 78.60 50.40 0.00 13.54 270.6 5 18 82.70 60.20 0.00 20.45 291.0 5 19 66.50 50.00 0.00 7.35 298.4 5 20 61.80 43.90 0.00 3.83 302.2 5 21 65.10 46.20 0.03 5.70 307.9 100 degree-days until first crawler 5 22 68.80 53.50 0.00 10.15 318.0 5 23 70.20 52.20 0.00 10.20 328.2 Vx 5 24 71.60 53.30 0.00 11.45 339.7 5 25 77.30 51.80 0.00 13.55 353.2 5 26 70.50 54.50 0.00 11.50 364.7 5 27 67.30 51.30 0.00 8.30 373.0 5 28 75.90 49.90 0.00 12.00 385.0 5 29 78.90 55.70 0.00 16.30 401.3 5 30 75.30 49.80 0.00 11.66 413.0 first crawler emergence 5 31 84.00 48.00 0.00 15.37 428.4 6 1 85.00 51.70 0.00 17.35 445.7 6 2 76.80 64.60 0.00 19.70 465.4 6 3 87.00 57.20 0.00 21.10 486.5 6 4 94.90 52.70 0.00 22.08 508.6 6 5 95.40 56.40 0.00 24.03 532.6 6 6 99.10 69.80 0.00 31.22 563.9 Vx 6 7 95.00 68.60 0.00 29.86 593.7 6 8 87.40 68.90 0.00 27.15 620.9 UC Davis rec. crawler treatment 6 9 78.20 60.30 0.00 18.25 639.1 6 10 68.70 54.50 0.04 10.60 649.7 6 11 70.90 50.60 0.00 9.77 659.5 6 12 78.80 47.70 0.00 12.71 672.2 6 13 74.10 57.00 0.00 14.55 686.8 6 14 69.30 51.80 0.00 9.55 696.3 6 15 67.10 48.30 0.00 7.14 703.5 6 16 68.90 47.80 0.02 7.89 711.3 6 17 77.60 47.20 0.02 11.98 723.3 first second instars 6 18 67.70 55.80 0.09 10.75 734.1 6 19 77.60 46.60 0.00 11.81 745.9 6 20 81.30 48.10 0.00 14.07 759.9 Vx 6 21 80.40 58.50 0.00 18.45 778.4 6 22 87.70 49.40 0.00 17.69 796.1 6 23 80.20 63.10 0.00 20.65 816.7 6 24 74.50 55.70 0.00 14.10 830.8 6 25 80.70 51.20 0.00 14.95 845.8 6 26 90.50 50.30 0.00 19.41 865.2 6 27 93.40 56.20 0.00 23.36 888.6 Vx 6 28 94.50 67.30 0.00 29.11 917.7 6 29 94.30 64.50 0.00 27.70 945.4 Vx first pupae 6 30 90.30 65.70 0.00 26.99 972.4 Vx Vn 7 1 92.90 60.90 0.00 25.53 997.9 7 2 89.80 64.00 0.00 25.90 1023.8 Vx 7 3 85.50 69.20 0.00 26.35 1050.1 Vx first mating next generation 7 4 82.30 54.90 0.00 17.60 1067.7 7 5 81.00 57.30 0.00 18.15 1085.9 7 6 78.50 61.50 0.00 19.00 1104.9 7 7 81.50 61.00 0.00 20.25 1125.1 Vx 7 8 77.70 61.50 0.11 18.60 1143.7 Vx 7 9 78.20 59.10 0.06 17.65 1161.4 7 10 69.80 59.40 0.00 13.60 1175.0 7 11 77.30 59.80 0.00 17.55 1192.5 7 12 79.00 59.00 0.02 18.00 1210.5 7 13 83.30 59.40 0.00 20.35 1230.9 Vx 7 14 89.70 53.80 0.00 20.75 1251.6 Vx 7 15 81.30 60.10 0.00 19.70 1271.3 Vx 7 16 83.50 60.60 0.00 21.05 1292.4 Vx 7 17 87.90 56.30 0.00 21.10 1313.5 Vx 7 18 81.60 61.70 0.00 20.65 1334.1 7 19 80.30 60.20 0.00 19.25 1353.4 7 20 87.30 62.10 0.00 23.70 1377.1 Vx 7 21 94.80 55.80 0.00 23.58 1400.7 Vx 7 22 82.90 65.90 0.00 23.40 1424.1 Vx 7 23 84.30 56.80 0.00 19.55 1443.6 7 24 90.10 55.50 0.00 21.80 1465.4 Vx first crawlers second generation 7 25 96.60 60.20 0.00 26.18 1491.6 Vx 7 26 95.30 71.40 0.00 31.27 1522.8 Vx 7 27 92.20 68.00 0.05 28.82 1551.7 7 28 95.00 67.30 0.04 29.23 1580.9 7 29 101.60 69.50 0.00 31.47 1612.4 Vx 7 30 94.60 71.60 0.00 31.21 1643.6 Vx 7 31 84.80 59.90 0.00 21.35 1664.9 8 1 90.40 56.50 0.00 22.43 1687.4 Vx Vn 8 2 78.40 62.30 0.00 19.35 1706.7 Vx Vn 8 3 83.60 57.00 0.00 19.30 1726.0 Vx 8 4 92.70 53.50 0.00 21.80 1747.8 Vx Vn 8 5 90.50 55.60 0.01 22.02 1769.8 8 6 87.40 64.00 0.00 24.70 1794.5 8 7 82.80 60.00 0.00 20.40 1814.9 Vx 8 8 75.90 52.80 0.00 13.35 1828.3 8 9 72.50 57.30 0.00 13.90 1842.2 8 10 84.10 58.20 0.00 20.15 1862.3 Vx 8 11 90.10 57.50 0.00 22.80 1885.1 Vx Vn 8 12 95.50 57.00 0.00 24.35 1909.5 Vx 8 13 97.60 57.70 0.00 25.21 1934.7 Vx 8 14 95.50 70.30 0.00 30.78 1965.5 Vx Vn 8 15 95.70 63.20 0.00 27.42 1992.9 Vx Vn 8 16 91.90 64.40 0.05 26.94 2019.8 8 17 88.50 64.60 0.03 25.55 2045.4 8 18 96.50 61.80 0.00 26.93 2072.3 Vx 8 19 86.70 57.10 0.00 20.90 2093.2 8 20 91.70 58.60 0.05 23.99 2117.2 8 21 94.40 62.30 0.00 26.65 2143.8 8 22 79.60 55.20 0.00 16.40 2160.2 8 23 82.80 51.20 0.00 16.00 2176.2 8 24 86.70 57.20 0.00 20.95 2197.2 Vx 8 25 89.50 51.10 0.00 19.30 2216.5 8 26 88.70 51.50 0.03 19.10 2235.6 8 27 88.30 71.70 0.02 29.00 2264.6 8 28 85.70 64.80 0.03 24.25 2288.8 8 29 91.80 56.30 0.00 22.88 2311.7 Vx 8 30 81.30 62.50 0.00 20.90 2332.6 8 31 83.00 57.50 0.00 19.25 2351.9 Forecast using: 10 yr Hist Avg MF25442 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF25442 Burkes Klepper OR
DateDDsEvent
 5-21-16 308100 degree-days until first crawler
 5-30-16 413first crawler emergence
 6-8-16 621UC Davis rec. crawler treatment
 6-17-16 723first second instars
 6-29-16 945first pupae
 7-3-16 10501st male catch next generation
 7-3-16 1050first mating next generation
 7-24-16 1465first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)