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 MF24220 MILTON_FREEWATER_GROWERS Brown Home OR Lat45.9581 Long:-118.4206 Elev:898 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 64.80 41.40 0.00 4.83 4.8 * START * 4 26 66.30 41.90 0.00 5.56 10.4 4 27 60.30 47.80 0.01 3.76 14.1 4 28 69.80 48.90 0.00 8.64 22.8 4 29 54.70 48.30 0.23 1.28 24.1 4 30 67.80 47.20 0.01 7.21 31.3 5 1 76.00 39.30 0.00 9.55 40.8 5 2 85.00 45.00 0.00 15.00 55.8 5 3 89.70 65.00 0.00 26.35 82.2 5 4 78.20 56.20 0.04 16.20 98.4 5 5 69.20 46.30 0.00 7.67 106.1 Hx Hn 5 6 74.70 51.00 0.00 11.85 117.9 5 7 80.40 52.40 0.00 15.40 133.3 5 8 76.30 54.00 0.00 14.15 147.5 5 9 65.70 46.50 0.00 6.05 153.5 5 10 72.00 40.10 0.00 7.86 161.4 5 11 81.10 46.30 0.00 13.44 174.8 Vx Vn 5 12 85.40 62.90 0.00 23.15 197.9 5 13 73.00 46.10 0.73 9.45 207.4 5 14 67.00 53.10 0.10 9.05 216.5 5 15 57.60 51.30 0.03 3.45 219.9 5 16 70.20 51.80 0.03 10.00 229.9 5 17 76.30 49.10 0.00 11.91 241.8 5 18 81.20 57.50 0.00 18.35 260.2 5 19 65.70 49.00 0.00 6.65 266.8 5 20 62.50 43.00 0.00 4.03 270.8 5 21 62.20 45.30 0.05 4.21 275.1 5 22 67.20 52.10 0.00 8.65 283.7 5 23 70.20 50.70 0.00 9.47 293.2 Vx 5 24 74.60 52.00 0.00 12.30 305.5 100 degree-days until first crawler 5 25 71.40 49.50 0.39 9.62 315.1 5 26 69.00 52.70 0.00 9.85 324.9 5 27 66.50 50.30 0.00 7.46 332.4 5 28 74.30 48.40 0.00 10.70 343.1 5 29 77.40 53.80 0.00 14.60 357.7 5 30 75.50 49.20 0.00 11.55 369.3 5 31 84.80 47.80 0.00 15.70 385.0 6 1 86.50 51.10 0.00 17.80 402.8 6 2 71.70 58.10 0.39 13.90 416.7 first crawler emergence 6 3 84.30 57.10 0.00 19.70 436.4 6 4 91.20 53.00 0.00 21.01 457.4 6 5 91.60 55.60 0.00 22.46 479.8 6 6 99.20 64.50 0.40 28.78 508.6 Vx 6 7 96.20 67.70 0.00 29.69 538.3 6 8 87.90 70.70 0.00 28.30 566.6 6 9 77.50 58.10 0.00 16.80 583.4 6 10 67.50 52.80 0.05 9.15 592.5 6 11 71.00 50.10 0.00 9.63 602.2 6 12 76.40 45.00 0.30 10.84 613.0 UC Davis rec. crawler treatment 6 13 74.10 56.20 0.00 14.15 627.2 6 14 68.00 50.70 0.00 8.37 635.5 6 15 68.00 46.70 0.00 7.19 642.7 6 16 62.20 46.10 0.41 4.34 647.0 6 17 76.20 46.10 0.02 11.00 658.1 6 18 65.80 53.90 0.11 8.85 666.9 6 19 76.40 46.40 0.00 11.18 678.1 6 20 81.40 47.70 0.00 13.99 692.1 Vx 6 21 79.10 57.00 0.00 17.05 709.1 6 22 84.20 48.40 0.00 15.60 724.7 first second instars 6 23 71.20 55.30 0.38 12.25 737.0 6 24 71.20 53.40 0.01 11.30 748.3 6 25 78.30 50.70 0.00 13.51 761.8 6 26 87.20 50.60 0.00 17.92 779.7 6 27 93.40 54.90 0.42 22.72 802.4 Vx 6 28 90.60 64.20 0.00 26.36 828.8 6 29 94.40 64.20 0.00 27.58 856.4 Vx 6 30 90.40 65.30 0.00 26.83 883.2 Vx Vn 7 1 86.00 55.20 0.41 19.60 902.8 7 2 89.80 63.50 0.00 25.65 928.4 Vx 7 3 85.50 66.90 0.00 25.20 953.6 Vx first pupae 7 4 79.90 54.50 0.00 16.20 969.8 7 5 71.60 53.60 0.56 11.60 981.4 7 6 78.30 59.00 0.00 17.65 999.1 7 7 81.50 58.70 0.00 19.10 1018.2 Vx 7 8 77.80 60.20 0.16 18.00 1036.2 Vx 1st male catch next generation 7 9 77.90 56.80 0.07 16.35 1052.5 Vx first mating next generation 7 10 66.50 57.90 0.00 11.20 1063.7 7 11 77.70 57.80 0.00 16.75 1080.5 7 12 76.40 57.20 0.02 15.80 1096.3 7 13 83.30 57.00 0.00 19.15 1115.4 Vx 7 14 89.70 52.60 0.31 20.15 1135.6 Vx 7 15 81.30 57.50 0.00 18.40 1154.0 Vx 7 16 83.60 58.30 0.00 19.95 1173.9 Vx 7 17 87.90 56.20 0.00 21.05 1195.0 Vx 7 18 80.70 58.10 0.08 18.40 1213.4 Vx 7 19 79.50 59.30 0.00 18.40 1231.8 Vx 7 20 87.30 60.50 0.00 22.90 1254.7 Vx 7 21 94.90 56.40 0.00 23.90 1278.6 Vx 7 22 82.90 64.70 0.00 22.80 1301.4 Vx Vn 7 23 77.60 54.40 0.00 15.00 1316.4 7 24 90.00 53.00 0.00 20.50 1336.9 Vx 7 25 96.60 58.20 0.00 25.22 1362.1 Vx 7 26 95.30 72.60 0.00 31.84 1393.9 Vx Vn 7 27 90.60 67.70 0.00 28.11 1422.0 7 28 83.20 61.80 0.00 21.50 1443.5 7 29 101.60 64.90 0.00 29.38 1472.9 Vx first crawlers second generation 7 30 94.60 71.70 0.00 31.26 1504.2 Vx Vn 7 31 86.80 62.50 0.00 23.65 1527.8 Vx Vn 8 1 90.50 56.40 0.00 22.42 1550.3 Vx Vn 8 2 78.40 61.40 0.00 18.90 1569.2 Vx Vn 8 3 83.70 52.00 0.00 16.85 1586.0 Vx 8 4 92.70 52.60 0.00 21.35 1607.4 Vx Vn 8 5 94.10 55.60 0.00 23.28 1630.6 Vx 8 6 85.30 58.10 0.00 20.70 1651.3 8 7 82.80 58.10 0.00 19.45 1670.8 Vx 8 8 67.80 51.30 0.54 8.55 1679.3 8 9 70.50 55.60 0.00 12.05 1691.4 8 10 84.20 55.90 0.00 19.05 1710.4 Vx 8 11 90.20 57.50 0.00 22.84 1733.3 Vx Vn 8 12 95.60 61.30 0.00 26.47 1759.8 Vx Vn 8 13 97.60 65.40 0.00 28.89 1788.6 Vx Vn 8 14 95.50 70.40 0.00 30.83 1819.5 Vx Vn 8 15 95.60 62.50 0.00 27.05 1846.5 Vx Vn 8 16 95.60 64.90 0.00 28.22 1874.7 Vx Vn 8 17 95.00 64.20 0.00 27.73 1902.5 Vx Vn 8 18 96.60 65.90 0.00 28.92 1931.4 Vx Vn 8 19 85.40 57.10 0.00 20.25 1951.6 8 20 83.80 54.70 0.24 18.25 1969.9 8 21 84.20 62.70 0.17 22.45 1992.3 8 22 76.20 55.00 0.00 14.60 2006.9 8 23 78.90 50.50 0.00 13.73 2020.7 8 24 86.70 53.40 0.00 19.05 2039.7 Vx 8 25 81.10 50.60 0.19 14.87 2054.6 8 26 81.20 50.20 0.26 14.75 2069.3 8 27 84.60 67.00 0.07 24.80 2094.1 8 28 89.00 64.20 0.16 25.60 2119.7 Vx 8 29 91.80 55.50 0.00 22.48 2142.2 Vx 8 30 78.00 60.20 0.00 18.10 2160.3 8 31 79.90 56.00 0.00 16.95 2177.3 Forecast using: 10 yr Hist Avg MF24220 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF24220 Brown Home OR
DateDDsEvent
 5-24-16 305100 degree-days until first crawler
 6-2-16 417first crawler emergence
 6-12-16 613UC Davis rec. crawler treatment
 6-22-16 725first second instars
 7-3-16 954first pupae
 7-8-16 10361st male catch next generation
 7-9-16 1053first mating next generation
 7-29-16 1473first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)