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 MF24585 MILTON_FREEWATER_GROWERS Oliver Cherries OR Lat45.9717 Long:-118.3739 Elev:882 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 65.50 39.60 0.00 4.93 4.9 * START *Vx 4 26 63.80 41.50 0.00 4.41 9.3 4 27 60.00 47.20 0.03 3.51 12.8 4 28 68.00 48.50 0.00 7.63 20.5 4 29 57.40 48.90 0.03 2.60 23.1 4 30 66.20 47.50 0.02 6.51 29.6 5 1 74.60 40.20 0.00 9.06 38.7 5 2 85.00 42.80 0.00 14.47 53.1 Vx 5 3 86.10 62.60 0.00 23.35 76.5 5 4 77.70 57.20 0.00 16.45 92.9 5 5 69.30 45.60 0.00 7.57 100.5 Hx Hn 5 6 75.00 51.20 0.00 12.10 112.6 5 7 79.60 52.10 0.00 14.85 127.4 5 8 77.00 57.80 0.00 16.40 143.8 5 9 65.50 47.70 0.00 6.21 150.1 Vx 5 10 71.10 37.90 0.00 7.15 157.2 5 11 82.00 46.10 0.00 13.83 171.0 Vx Vn 5 12 83.40 57.40 0.00 19.40 190.4 5 13 80.70 45.70 0.00 13.09 203.5 5 14 67.50 51.80 0.07 8.65 212.2 5 15 58.80 51.70 0.11 4.25 216.4 5 16 72.00 52.00 0.01 11.00 227.4 Vx 5 17 75.70 49.80 0.00 11.86 239.3 5 18 82.20 53.80 0.00 17.00 256.3 5 19 67.80 49.30 0.00 7.77 264.1 5 20 61.40 40.90 0.00 3.34 267.4 5 21 63.60 44.40 0.01 4.71 272.1 5 22 68.50 50.30 0.00 8.46 280.6 5 23 70.80 50.70 0.00 9.77 290.3 5 24 74.00 49.50 0.00 10.91 301.2 5 25 76.90 47.60 0.00 11.75 313.0 100 degree-days until first crawler 5 26 70.80 50.80 0.00 9.81 322.8 5 27 69.80 50.90 0.00 9.35 332.1 5 28 76.10 48.20 0.00 11.53 343.7 5 29 79.60 52.60 0.00 15.10 358.8 5 30 76.30 48.20 0.00 11.63 370.4 Vx 5 31 84.80 40.80 0.00 13.94 384.3 Vx 6 1 85.20 49.50 0.00 16.48 400.8 6 2 78.10 60.80 0.00 18.45 419.3 first crawler emergence 6 3 86.40 57.20 0.00 20.80 440.1 6 4 89.00 50.30 0.00 18.69 458.7 6 5 91.20 54.30 0.00 21.66 480.4 6 6 99.20 58.30 0.00 25.85 506.3 Vx 6 7 94.00 64.20 0.00 27.47 533.7 6 8 87.70 66.90 0.00 26.30 560.0 6 9 77.20 56.40 0.00 15.80 575.8 6 10 67.70 53.30 0.01 9.50 585.3 6 11 72.00 46.10 0.00 8.97 594.3 6 12 77.30 44.50 0.00 11.15 605.5 UC Davis rec. crawler treatment 6 13 74.90 53.00 0.00 12.95 618.4 Vx 6 14 69.30 50.10 0.00 8.78 627.2 6 15 69.30 46.50 0.00 7.77 635.0 6 16 69.60 45.30 0.01 7.65 642.6 6 17 79.10 42.50 0.00 11.58 654.2 6 18 66.80 52.50 0.06 8.65 662.8 6 19 76.30 42.50 0.00 10.26 673.1 6 20 80.20 46.80 0.00 13.14 686.2 6 21 80.50 58.70 0.00 18.60 704.8 6 22 87.20 45.70 0.00 16.26 721.1 6 23 81.30 59.80 0.00 19.55 740.7 first second instars 6 24 75.60 54.00 0.02 13.80 754.5 6 25 81.50 48.10 0.00 14.17 768.6 6 26 87.70 46.80 0.00 16.83 785.4 6 27 93.50 60.50 0.00 25.51 811.0 Vx Vn 6 28 91.20 59.30 0.00 24.15 835.1 6 29 94.60 63.50 0.00 27.29 862.4 Vx 6 30 92.00 66.20 0.00 27.86 890.3 Vx Vn 7 1 89.00 63.10 0.00 25.05 915.3 Vx Vn 7 2 90.00 63.10 0.00 25.55 940.9 Vx Vn first pupae 7 3 85.60 64.80 0.00 24.20 965.1 Vx Vn 7 4 80.50 57.60 0.00 18.05 983.1 Vx Vn 7 5 78.70 52.30 0.00 14.50 997.6 7 6 81.40 60.50 0.00 19.95 1017.6 7 7 81.50 60.50 0.00 20.00 1037.6 Vx Vn 1st male catch next generation 7 8 77.80 60.30 0.05 18.05 1055.6 Vx first mating next generation 7 9 77.60 57.50 0.06 16.55 1072.2 7 10 69.90 57.20 0.00 12.55 1084.7 7 11 80.80 59.00 0.00 18.90 1103.6 Vx Vn 7 12 80.20 56.30 0.02 17.25 1120.9 7 13 84.30 55.40 0.00 18.85 1139.7 7 14 89.80 53.00 0.00 20.40 1160.1 Vx 7 15 81.40 57.00 0.00 18.20 1178.3 Vx 7 16 83.70 58.00 0.00 19.85 1198.2 Vx 7 17 88.10 55.40 0.00 20.75 1218.9 Vx 7 18 80.80 59.10 0.00 18.95 1237.9 Vx 7 19 82.90 56.80 0.00 18.85 1256.7 7 20 87.70 58.90 0.00 22.30 1279.0 Vx 7 21 95.20 52.10 0.00 21.87 1300.9 Vx 7 22 83.00 64.50 0.00 22.75 1323.6 Vx Vn 7 23 84.10 55.90 0.00 19.00 1342.6 Vx 7 24 90.20 51.90 0.00 20.04 1362.7 Vx 7 25 96.80 58.40 0.00 25.36 1388.0 Vx 7 26 95.90 69.30 0.00 30.39 1418.4 Vx 7 27 95.20 69.40 0.00 30.29 1448.7 Vx Vn 7 28 99.40 63.40 0.00 28.30 1477.0 Vx first crawlers second generation 7 29 101.70 63.60 0.00 28.80 1505.8 Vx 7 30 94.70 71.80 0.00 31.33 1537.1 Vx Vn 7 31 86.90 62.40 0.00 23.65 1560.8 Vx Vn 8 1 90.90 57.00 0.00 22.89 1583.7 Vx Vn 8 2 78.70 57.30 0.00 17.00 1600.7 Vx 8 3 84.00 54.10 0.00 18.05 1618.7 Vx 8 4 90.20 50.00 0.00 19.16 1637.9 8 5 93.70 53.50 0.00 22.12 1660.0 Vx 8 6 85.60 63.50 0.00 23.55 1683.6 8 7 83.10 60.50 0.00 20.80 1704.4 Vx 8 8 77.20 51.30 0.00 13.25 1717.6 Vx 8 9 72.80 54.70 0.00 12.75 1730.4 8 10 84.30 53.90 0.00 18.10 1748.5 Vx 8 11 90.30 57.60 0.00 22.94 1771.4 Vx Vn 8 12 95.70 61.50 0.00 26.60 1798.0 Vx Vn 8 13 97.20 65.20 0.00 28.72 1826.7 Vx Vn 8 14 95.60 69.90 0.00 30.61 1857.3 Vx Vn 8 15 95.90 63.20 0.00 27.47 1884.8 Vx Vn 8 16 95.70 59.30 0.00 25.53 1910.3 Vx 8 17 91.20 59.40 0.00 24.20 1934.5 8 18 96.70 58.80 0.00 25.53 1960.1 Vx 8 19 88.60 57.20 0.00 21.90 1982.0 8 20 91.10 52.50 0.00 20.72 2002.7 8 21 93.10 52.40 0.00 21.38 2024.1 8 22 78.00 52.80 0.00 14.40 2038.5 8 23 82.00 50.10 0.00 15.11 2053.6 8 24 87.10 52.40 0.00 18.75 2072.3 Vx 8 25 88.40 50.20 0.00 18.35 2090.7 8 26 91.90 49.40 0.00 19.61 2110.3 8 27 91.80 60.70 0.00 25.07 2135.3 8 28 89.20 63.30 0.00 25.25 2160.6 Vx 8 29 94.40 54.60 0.00 22.87 2183.5 Vx 8 30 82.20 62.40 0.00 21.30 2204.8 8 31 85.00 55.50 0.00 19.25 2224.0 Forecast using: 10 yr Hist Avg MF24585 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF24585 Oliver Cherries OR
DateDDsEvent
 5-25-16 313100 degree-days until first crawler
 6-2-16 419first crawler emergence
 6-12-16 605UC Davis rec. crawler treatment
 6-23-16 741first second instars
 7-2-16 941first pupae
 7-7-16 10381st male catch next generation
 7-8-16 1056first mating next generation
 7-28-16 1477first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)