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 MF24513 MILTON_FREEWATER_GROWERS Burkes Wondra OR Lat45.9542 Long:-118.4481 Elev:839 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 64.90 43.20 0.00 5.12 5.1 * START * 4 26 66.00 45.80 0.00 6.05 11.2 4 27 60.80 50.10 0.00 4.56 15.7 4 28 70.50 51.50 0.00 10.00 25.7 4 29 59.00 52.00 0.00 4.50 30.2 4 30 68.50 48.80 0.00 7.97 38.2 5 1 78.00 41.00 0.00 10.77 49.0 5 2 85.50 46.30 0.00 15.60 64.6 5 3 90.90 62.10 0.00 25.43 90.0 5 4 79.70 59.00 0.00 18.35 108.3 5 5 69.20 44.90 0.00 7.38 115.7 Hx Hn 5 6 77.00 53.90 0.00 14.45 130.2 5 7 82.90 53.50 0.00 17.20 147.4 5 8 77.70 54.80 0.00 15.25 162.6 5 9 65.90 48.00 0.00 6.48 169.1 5 10 72.90 41.60 0.00 8.51 177.6 Vx 5 11 81.10 46.00 0.00 13.36 191.0 Vx Vn 5 12 85.70 62.30 0.00 23.00 214.0 5 13 82.70 46.20 0.00 14.20 228.2 5 14 68.70 54.80 0.00 10.75 238.9 5 15 59.30 53.50 0.00 5.40 244.3 5 16 70.90 53.20 0.00 11.05 255.4 5 17 78.30 49.90 0.00 13.19 268.6 5 18 83.60 60.80 0.00 21.20 289.8 Vx 5 19 67.40 49.50 0.00 7.64 297.4 5 20 62.30 44.80 0.00 4.18 301.6 5 21 64.50 47.60 0.00 5.71 307.3 100 degree-days until first crawler 5 22 69.70 53.70 0.00 10.70 318.0 5 23 70.70 51.40 0.00 10.05 328.0 Vx 5 24 73.80 53.00 0.00 12.40 340.4 5 25 78.10 53.00 0.00 14.55 355.0 5 26 72.50 55.50 0.00 13.00 368.0 5 27 68.30 51.40 0.00 8.85 376.8 5 28 75.60 50.10 0.00 11.92 388.8 5 29 79.70 55.80 0.00 16.75 405.5 first crawler emergence 5 30 76.30 50.00 0.00 12.23 417.8 5 31 85.40 45.60 0.00 15.36 433.1 6 1 86.10 52.70 0.00 18.40 451.5 6 2 78.90 65.60 0.00 21.25 472.8 6 3 87.00 59.90 0.00 22.45 495.2 6 4 94.30 53.20 0.00 22.15 517.4 6 5 95.80 55.60 0.00 23.75 541.1 6 6 100.00 65.00 0.00 29.16 570.3 Vx 6 7 100.00 68.10 0.00 30.59 600.9 6 8 89.70 70.30 0.00 29.00 629.9 UC Davis rec. crawler treatment 6 9 81.00 61.00 0.00 20.00 649.9 6 10 69.10 54.40 0.00 10.75 660.6 6 11 72.20 51.20 0.00 10.70 671.3 6 12 79.90 49.50 0.00 13.84 685.2 6 13 77.10 56.60 0.00 15.85 701.0 6 14 69.60 52.40 0.00 10.00 711.0 6 15 68.60 48.30 0.00 7.87 718.9 6 16 69.70 47.30 0.00 8.15 727.0 first second instars 6 17 79.10 47.00 0.00 12.66 739.7 6 18 67.20 55.10 0.00 10.15 749.8 6 19 78.20 45.00 0.00 11.70 761.5 6 20 81.70 47.90 0.00 14.20 775.7 Vx 6 21 79.70 58.10 0.00 17.90 793.6 6 22 85.70 50.50 0.00 17.12 810.8 Vx 6 23 80.10 62.30 0.00 20.20 831.0 6 24 74.80 55.30 0.00 14.05 845.0 6 25 81.50 53.50 0.00 16.50 861.5 Vx 6 26 90.80 51.20 0.00 19.95 881.5 6 27 93.20 58.30 0.00 24.33 905.8 Vx 6 28 95.00 68.30 0.00 29.71 935.5 6 29 94.40 64.90 0.00 27.92 963.4 Vx Vn first pupae 6 30 90.50 65.60 0.00 27.02 990.4 Vx Vn 7 1 89.00 63.50 0.00 25.25 1015.7 Vx Vn 7 2 89.80 62.80 0.00 25.30 1041.0 Vx Vn 1st male catch next generation 7 3 85.60 65.00 0.00 24.30 1065.3 Vx Vn first mating next generation 7 4 80.50 57.70 0.00 18.10 1083.4 Vx Vn 7 5 80.30 58.40 0.00 18.35 1101.7 7 6 80.60 60.50 0.00 19.55 1121.3 Vx 7 7 81.70 60.70 0.00 20.20 1141.5 Vx Vn 7 8 77.60 61.10 0.00 18.35 1159.8 Vx 7 9 78.00 57.80 0.00 16.90 1176.7 Vx 7 10 69.70 58.90 0.00 13.30 1190.0 7 11 78.50 59.70 0.00 18.10 1208.1 7 12 77.20 58.50 0.00 16.85 1225.0 7 13 83.20 59.70 0.00 20.45 1245.4 Vx 7 14 90.00 53.50 0.00 20.75 1266.2 Vx 7 15 81.40 59.30 0.00 19.35 1285.5 Vx 7 16 83.60 60.60 0.00 21.10 1306.6 Vx 7 17 88.10 60.00 0.00 23.05 1329.7 Vx 7 18 80.80 62.40 0.00 20.60 1350.3 Vx 7 19 79.50 61.60 0.00 19.55 1369.8 Vx 7 20 87.70 63.10 0.00 24.40 1394.2 Vx 7 21 95.00 56.50 0.00 23.97 1418.2 Vx 7 22 82.60 64.30 0.00 22.45 1440.7 Vx Vn 7 23 85.20 58.50 0.00 20.85 1461.5 first crawlers second generation 7 24 90.20 55.10 0.00 21.64 1483.2 Vx 7 25 96.70 60.10 0.00 26.16 1509.3 Vx 7 26 95.60 72.90 0.00 32.04 1541.4 Vx 7 27 96.60 70.00 0.00 30.87 1572.2 7 28 99.00 66.40 0.00 29.63 1601.9 7 29 101.90 67.00 0.00 30.39 1632.3 Vx 7 30 94.80 76.30 0.00 33.48 1665.7 Vx 7 31 87.20 62.60 0.00 23.90 1689.6 Vx Vn 8 1 90.60 55.40 0.00 21.97 1711.6 Vx Vn 8 2 78.40 61.10 0.00 18.75 1730.4 Vx Vn 8 3 84.10 56.50 0.00 19.30 1749.7 Vx 8 4 92.90 54.20 0.00 22.21 1771.9 Vx Vn 8 5 94.40 54.70 0.00 22.92 1794.8 Vx 8 6 89.90 64.30 0.00 26.10 1820.9 8 7 83.00 64.20 0.00 22.60 1843.5 Vx 8 8 78.50 55.00 0.00 15.75 1859.2 8 9 74.50 56.70 0.00 14.60 1873.8 8 10 84.00 58.00 0.00 20.00 1893.8 Vx 8 11 90.40 57.60 0.00 22.98 1916.8 Vx Vn 8 12 95.90 61.30 0.00 26.55 1943.4 Vx Vn 8 13 98.00 65.50 0.00 29.02 1972.4 Vx Vn 8 14 95.80 70.70 0.00 31.04 2003.4 Vx Vn 8 15 95.90 62.40 0.00 27.08 2030.5 Vx Vn 8 16 98.80 63.80 0.00 28.38 2058.9 8 17 95.00 65.40 0.00 28.31 2087.2 Vx 8 18 97.50 62.60 0.00 27.54 2114.7 8 19 94.10 59.10 0.00 25.00 2139.7 8 20 99.50 55.80 0.00 24.73 2164.5 8 21 98.30 66.40 0.00 29.50 2194.0 8 22 83.80 56.70 0.00 19.25 2213.2 8 23 86.60 51.20 0.00 17.90 2231.1 8 24 86.90 52.80 0.00 18.85 2250.0 Vx 8 25 95.90 50.70 0.00 21.39 2271.3 8 26 94.00 50.00 0.00 20.55 2291.9 8 27 92.80 71.70 0.00 30.81 2322.7 8 28 95.70 59.30 0.00 25.53 2348.2 Vn 8 29 91.80 57.30 0.00 23.37 2371.6 Vx 8 30 85.10 64.10 0.00 23.60 2395.2 8 31 91.90 59.60 0.00 24.55 2419.8 Forecast using: 10 yr Hist Avg MF24513 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF24513 Burkes Wondra OR
DateDDsEvent
 5-21-16 307100 degree-days until first crawler
 5-29-16 406first crawler emergence
 6-8-16 630UC Davis rec. crawler treatment
 6-16-16 727first second instars
 6-29-16 963first pupae
 7-2-16 10411st male catch next generation
 7-3-16 1065first mating next generation
 7-23-16 1462first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)