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 MF22663 MILTON_FREEWATER_GROWERS Burlinggame Lefore OR Lat45.9592 Long:-118.3756 Elev:925 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 64.60 42.40 0.00 4.87 4.9 * START *Vx 4 26 65.40 43.00 0.00 5.31 10.2 4 27 60.70 47.70 0.01 3.93 14.1 4 28 71.70 49.50 0.00 9.77 23.9 4 29 58.40 48.30 0.03 2.96 26.8 4 30 68.30 47.60 0.01 7.54 34.4 5 1 77.70 42.90 0.00 11.00 45.4 5 2 84.70 45.80 0.00 15.07 60.4 Vx 5 3 88.40 64.80 0.00 25.60 86.0 5 4 77.30 58.70 0.00 17.00 103.0 5 5 69.10 45.80 0.00 7.52 110.6 Hx Hn 5 6 77.70 51.50 0.01 13.60 124.2 5 7 83.70 52.70 0.00 17.20 141.4 5 8 78.70 58.70 0.00 17.70 159.1 5 9 65.30 47.50 0.00 6.07 165.1 Vx 5 10 73.80 40.70 0.00 8.77 173.9 5 11 81.10 46.20 0.00 13.42 187.3 Vx Vn 5 12 86.50 62.10 0.00 23.30 210.6 5 13 82.90 47.60 0.00 14.70 225.3 5 14 67.50 52.70 0.08 9.10 234.4 5 15 59.20 50.90 0.09 4.05 238.5 5 16 70.10 51.60 0.03 9.85 248.3 5 17 77.90 49.90 0.00 12.99 261.3 5 18 83.30 56.40 0.00 18.85 280.2 5 19 68.80 49.20 0.00 8.23 288.4 5 20 61.20 40.90 0.00 3.26 291.7 5 21 64.10 46.00 0.02 5.20 296.9 5 22 69.10 50.80 0.00 8.96 305.8 100 degree-days until first crawler 5 23 72.00 51.20 0.00 10.60 316.4 5 24 71.90 50.20 0.00 10.12 326.5 5 25 77.70 48.60 0.00 12.44 339.0 5 26 70.50 51.20 0.00 9.85 348.8 5 27 68.30 50.50 0.00 8.44 357.3 5 28 76.30 48.80 0.00 11.82 369.1 5 29 78.70 55.30 0.00 16.00 385.1 5 30 75.90 50.60 0.00 12.27 397.4 Vx 5 31 84.40 46.70 0.00 15.17 412.5 Vx first crawler emergence 6 1 84.00 52.30 0.00 17.15 429.7 6 2 75.70 62.00 0.00 17.85 447.5 6 3 85.80 57.70 0.00 20.75 468.3 6 4 92.60 51.70 0.00 20.87 489.1 6 5 92.90 56.40 0.00 23.30 512.4 6 6 99.00 65.60 0.00 29.26 541.7 Vx 6 7 97.00 65.70 0.00 28.91 570.6 6 8 86.50 66.90 0.00 25.70 596.3 6 9 76.90 58.20 0.00 16.55 612.9 UC Davis rec. crawler treatment 6 10 70.50 52.70 0.04 10.60 623.5 6 11 74.00 48.90 0.00 10.71 634.2 6 12 79.50 46.50 0.00 12.71 646.9 6 13 74.70 54.30 0.00 13.50 660.4 Vx 6 14 70.00 50.40 0.00 9.24 669.6 6 15 69.00 48.30 0.00 8.07 677.7 6 16 67.90 47.00 0.02 7.21 684.9 6 17 77.10 46.60 0.00 11.57 696.5 6 18 59.00 54.70 0.07 5.85 702.3 6 19 73.40 46.80 0.00 9.82 712.2 6 20 79.60 47.20 0.00 12.96 725.1 first second instars 6 21 80.70 58.40 0.00 18.55 743.7 6 22 85.80 50.10 0.00 17.01 760.7 6 23 81.10 58.70 0.00 18.90 779.6 6 24 74.50 54.20 0.01 13.35 792.9 6 25 80.70 49.90 0.00 14.39 807.3 6 26 90.80 49.20 0.00 19.11 826.4 6 27 93.30 56.90 0.00 23.67 850.1 Vx 6 28 86.00 64.60 0.02 24.30 874.4 6 29 94.40 66.20 0.00 28.55 902.9 Vx 6 30 91.80 66.20 0.00 27.80 930.7 Vx Vn 7 1 88.90 60.50 0.00 23.70 954.4 Vx first pupae 7 2 89.90 62.70 0.00 25.30 979.7 Vx 7 3 85.40 67.00 0.00 25.20 1004.9 Vx 7 4 80.30 57.30 0.00 17.80 1022.7 Vx Vn 7 5 78.70 55.00 0.00 15.85 1038.6 1st male catch next generation 7 6 80.70 61.00 0.00 19.85 1058.4 first mating next generation 7 7 81.30 56.80 0.00 18.05 1076.5 Vx 7 8 77.70 59.70 0.16 17.70 1094.2 Vx 7 9 77.70 57.60 0.07 16.65 1110.8 7 10 67.80 57.30 0.00 11.55 1122.4 7 11 80.50 58.70 0.00 18.60 1141.0 Vx Vn 7 12 80.00 56.80 0.01 17.40 1158.4 7 13 83.70 57.10 0.00 19.40 1177.8 7 14 89.60 57.60 0.00 22.60 1200.4 Vx 7 15 81.20 56.90 0.00 18.05 1218.4 Vx 7 16 83.50 58.50 0.00 20.00 1238.4 Vx 7 17 87.80 59.80 0.00 22.80 1261.2 Vx 7 18 80.60 59.70 0.00 19.15 1280.4 Vx 7 19 80.00 60.00 0.00 19.00 1299.4 7 20 87.40 61.70 0.00 23.55 1322.9 Vx 7 21 95.10 55.60 0.00 23.56 1346.5 Vx 7 22 82.80 63.30 0.00 22.05 1368.6 Vx 7 23 83.90 57.00 0.00 19.45 1388.0 Vx 7 24 90.00 56.20 0.00 22.10 1410.1 Vx 7 25 96.60 63.60 0.00 27.82 1437.9 Vx 7 26 95.20 71.40 0.00 31.24 1469.2 Vx first crawlers second generation 7 27 95.00 69.20 0.00 30.15 1499.3 Vx Vn 7 28 99.10 67.70 0.00 30.25 1529.6 Vx 7 29 101.50 69.60 0.00 31.50 1561.1 Vx 7 30 94.50 71.70 0.00 31.23 1592.3 Vx Vn 7 31 86.50 59.70 0.00 22.10 1614.4 8 1 90.70 57.30 0.00 22.96 1637.4 Vx Vn 8 2 78.70 62.60 0.00 19.65 1657.0 8 3 83.70 56.60 0.00 19.15 1676.2 Vx 8 4 92.80 55.40 0.00 22.77 1698.9 Vx Vn 8 5 93.50 60.80 0.00 25.66 1724.6 Vx 8 6 88.40 63.80 0.00 25.10 1749.7 8 7 82.80 62.10 0.00 21.45 1771.1 Vx 8 8 77.50 53.90 0.00 14.70 1785.8 Vx 8 9 74.00 56.00 0.02 14.00 1799.8 8 10 84.00 56.00 0.00 19.00 1818.8 Vx 8 11 90.00 57.50 0.00 22.75 1841.6 Vx Vn 8 12 95.50 56.00 0.00 23.87 1865.5 Vx 8 13 97.00 65.10 0.00 28.63 1894.1 Vx Vn 8 14 95.50 69.80 0.00 30.55 1924.6 Vx Vn 8 15 95.70 63.30 0.00 27.47 1952.1 Vx Vn 8 16 95.40 61.20 0.06 26.37 1978.5 Vx 8 17 94.90 62.80 0.04 27.02 2005.5 Vx 8 18 96.40 65.90 0.00 28.88 2034.4 Vx 8 19 86.20 60.40 0.02 22.30 2056.7 8 20 81.20 57.90 0.09 18.55 2075.2 8 21 94.40 59.70 0.00 25.38 2100.6 8 22 78.60 56.00 0.00 16.30 2116.9 8 23 82.90 52.50 0.00 16.70 2133.6 8 24 86.90 58.60 0.00 21.75 2155.3 Vx 8 25 89.10 53.60 0.00 20.35 2175.7 8 26 91.20 57.20 0.00 23.10 2198.8 8 27 89.40 67.80 0.00 27.60 2226.4 8 28 89.00 64.00 0.04 25.50 2251.9 Vx 8 29 94.20 57.00 0.00 23.99 2275.9 Vx 8 30 79.70 62.40 0.00 20.05 2295.9 8 31 84.70 58.00 0.00 20.35 2316.3 Forecast using: 10 yr Hist Avg MF22663 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF22663 Burlinggame Lefore OR
DateDDsEvent
 5-22-16 306100 degree-days until first crawler
 5-31-16 413first crawler emergence
 6-9-16 613UC Davis rec. crawler treatment
 6-20-16 725first second instars
 7-1-16 954first pupae
 7-5-16 10391st male catch next generation
 7-6-16 1058first mating next generation
 7-26-16 1469first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)