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 MF25394 MILTON_FREEWATER_GROWERS Brown Stephens Hill OR Lat:45.9892 Long:-118.4117 Elev:810 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 68.40 40.80 0.00 6.34 6.3 * START * 4 26 68.70 40.80 0.00 6.48 12.8 4 27 63.00 48.90 0.00 5.30 18.1 4 28 72.70 49.90 0.00 10.40 28.5 4 29 58.30 49.80 0.00 3.24 31.8 4 30 71.10 48.40 0.00 9.13 40.9 5 1 78.80 40.40 0.00 11.04 51.9 5 2 88.80 45.10 0.00 16.88 68.8 5 3 93.50 53.50 0.00 22.06 90.9 5 4 79.80 59.00 0.00 18.40 109.3 5 5 69.30 44.70 0.00 7.39 116.7 Hx Hn 5 6 77.90 52.30 0.00 14.10 130.8 5 7 83.00 53.30 0.00 17.15 147.9 5 8 78.60 54.50 0.00 15.55 163.5 5 9 67.40 47.30 0.00 7.04 170.5 5 10 78.00 38.10 0.00 10.28 180.8 Vx 5 11 82.90 46.50 0.00 14.38 195.2 Vx Vn 5 12 87.80 63.00 0.00 24.40 219.6 5 13 83.50 45.10 0.00 14.30 233.8 5 14 68.60 55.00 0.00 10.80 244.6 5 15 58.80 52.10 0.00 4.45 249.1 5 16 72.10 52.70 0.00 11.40 260.5 5 17 79.20 50.10 0.00 13.72 274.2 5 18 84.00 57.20 0.00 19.60 293.8 Vx 5 19 67.50 49.40 0.00 7.65 301.5 Vx 5 20 63.80 43.40 0.00 4.65 306.1 100 degree-days until first crawler 5 21 64.70 46.40 0.00 5.56 311.7 Vx 5 22 68.30 51.70 0.00 9.00 320.7 5 23 70.90 51.40 0.00 10.15 330.8 Vx 5 24 73.30 52.20 0.00 11.75 342.6 Vx 5 25 77.60 49.60 0.00 12.73 355.3 5 26 70.90 55.00 0.00 11.95 367.3 5 27 67.70 50.70 0.00 8.22 375.5 5 28 74.70 48.50 0.00 10.93 386.4 5 29 78.90 54.40 0.00 15.65 402.1 5 30 76.50 48.80 0.00 11.91 414.0 first crawler emergence 5 31 83.40 44.10 0.00 14.00 428.0 6 1 85.30 51.70 0.00 17.50 445.5 6 2 76.60 64.90 0.00 19.75 465.2 6 3 85.70 58.00 0.00 20.85 486.1 6 4 91.90 52.50 0.00 21.02 507.1 6 5 94.50 56.40 0.00 23.79 530.9 6 6 100.30 63.20 0.00 28.38 559.3 Vx 6 7 98.60 67.70 0.00 30.17 589.4 Vx 6 8 86.50 68.40 0.00 26.45 615.9 UC Davis rec. crawler treatment 6 9 80.80 58.80 0.00 18.80 634.7 6 10 69.30 54.10 0.00 10.70 645.4 6 11 73.00 48.40 0.00 10.06 655.4 6 12 79.00 48.70 0.00 13.12 668.6 Vx 6 13 73.80 54.30 0.00 13.05 681.6 6 14 69.40 51.00 0.00 9.20 690.8 6 15 70.80 47.20 0.00 8.66 699.5 6 16 68.50 46.30 0.00 7.34 706.8 6 17 78.70 45.00 0.00 11.94 718.7 6 18 67.00 55.60 0.00 10.30 729.0 first second instars 6 19 76.00 44.80 0.00 10.60 739.6 6 20 81.80 50.10 0.00 15.01 754.7 Vx 6 21 79.70 57.50 0.00 17.60 772.3 6 22 85.50 48.30 0.00 16.21 788.5 6 23 80.80 61.60 0.00 20.20 808.7 6 24 73.00 54.00 0.00 12.50 821.2 6 25 80.80 51.90 0.00 15.35 836.5 6 26 89.70 49.90 0.00 18.88 855.4 6 27 91.90 59.00 0.00 24.26 879.6 6 28 92.60 64.70 0.00 27.31 907.0 6 29 92.10 64.60 0.00 27.10 934.1 6 30 88.70 64.70 0.00 25.70 959.8 first pupae 7 1 90.50 59.30 0.00 23.87 983.6 7 2 90.50 64.20 0.00 26.32 1010.0 7 3 85.00 65.50 0.00 24.25 1034.2 1st male catch next generation 7 4 81.90 56.10 0.00 18.00 1052.2 first mating next generation 7 5 79.80 53.10 0.00 15.45 1067.7 7 6 81.10 60.00 0.00 19.55 1087.2 7 7 80.30 55.50 0.00 16.90 1104.1 7 8 75.10 60.60 0.00 16.85 1121.0 7 9 78.10 57.90 0.00 17.00 1138.0 7 10 67.90 58.70 0.00 12.30 1150.3 7 11 78.70 57.90 0.00 17.30 1167.6 7 12 80.30 58.30 0.00 18.30 1185.9 7 13 82.60 57.10 0.00 18.85 1204.7 7 14 88.20 53.50 0.00 19.85 1224.6 7 15 79.00 57.90 0.00 17.45 1242.0 7 16 81.80 56.40 0.00 18.10 1260.1 7 17 84.60 56.80 0.00 19.70 1279.8 7 18 81.00 61.60 0.00 20.30 1300.1 7 19 79.60 59.90 0.00 18.75 1318.9 7 20 86.50 61.10 0.00 22.80 1341.7 7 21 88.90 55.20 0.00 21.05 1362.7 7 22 82.20 62.70 0.00 21.45 1384.2 7 23 81.80 55.70 0.00 17.75 1401.9 7 24 87.70 53.00 0.00 19.35 1421.3 7 25 97.10 58.30 0.00 25.39 1446.6 Vx 7 26 89.30 68.90 0.00 28.10 1474.7 first crawlers second generation 7 27 91.10 65.90 0.00 27.40 1502.1 7 28 94.00 67.20 0.00 28.93 1531.1 7 29 96.40 64.70 0.00 28.30 1559.4 7 30 88.90 68.80 0.00 27.85 1587.2 7 31 83.70 60.90 0.00 21.30 1608.5 8 1 91.20 59.60 0.00 24.30 1632.8 Vx 8 2 80.00 62.10 0.00 20.05 1652.9 8 3 80.00 53.60 0.00 15.80 1668.7 8 4 89.10 51.80 0.00 19.45 1688.1 8 5 90.30 55.80 0.00 22.04 1710.2 8 6 85.60 61.30 0.00 22.45 1732.6 8 7 79.30 60.80 0.00 19.05 1751.7 8 8 74.80 54.50 0.00 13.65 1765.3 8 9 73.80 55.80 0.00 13.80 1779.1 8 10 82.80 56.30 0.00 18.55 1797.7 8 11 88.50 53.30 0.00 19.90 1817.6 8 12 92.40 55.10 0.00 22.49 1840.1 8 13 91.20 58.50 0.00 23.75 1863.8 8 14 93.20 66.20 0.00 28.23 1892.0 8 15 96.30 66.20 0.00 29.00 1921.0 Vx 8 16 90.50 63.20 0.00 25.82 1946.9 8 17 92.30 64.50 0.00 27.12 1974.0 8 18 93.40 61.50 0.00 25.97 1999.9 8 19 88.30 57.70 0.00 22.00 2021.9 8 20 89.60 54.10 0.00 20.85 2042.8 8 21 92.10 60.30 0.00 24.97 2067.8 8 22 78.50 55.20 0.00 15.85 2083.6 8 23 83.40 53.20 0.00 17.30 2100.9 8 24 87.70 54.90 0.00 20.30 2121.2 Vx 8 25 83.90 52.40 0.00 17.15 2138.4 8 26 89.60 52.60 0.00 20.10 2158.5 8 27 88.50 68.00 0.00 27.25 2185.7 8 28 89.50 64.20 0.00 25.85 2211.6 Vx 8 29 94.70 56.80 0.00 24.04 2235.6 Vx 8 30 80.00 62.40 0.00 20.20 2255.8 8 31 85.90 57.00 0.00 20.45 2276.3 Forecast using: 10 yr Hist Avg MF25394 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF25394 Brown Stephens Hill
DateDDsEvent
 5-20-16 306100 degree-days until first crawler
 5-30-16 414first crawler emergence
 6-8-16 616UC Davis rec. crawler treatment
 6-18-16 729first second instars
 6-30-16 960first pupae
 7-3-16 10341st male catch next generation
 7-4-16 1052first mating next generation
 7-26-16 1475first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)