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Erie County

Apple Carbohydrate Thinning Model for Lake City

Green tip: April 13, 2018
Bloom: May 11, 2018

DateMax Temp (°F)Min Temp (°F)Solar Rad (MJ/m2)ProductionDemandBalance4-Day Avg BalanceThinning Recommendation
4-Jun 66 58 15.5 48.31 45.59 2.72 39.57 Increase chemical thinner rate by 30%
5-Jun 64 54 25.1 85.45 38.72 46.73 50.15 Increase chemical thinner rate by 30%
6-Jun 61 49 25.6 94.54 31.48 63.06 36.31 Increase chemical thinner rate by 30%
7-Jun 78 48 23.1 90.28 44.53 45.75 12.80 Increase chemical thinner rate by 15%
8-Jun 76 58 26.3 96.78 51.71 45.07 14.45 Increase chemical thinner rate by 15%
9-Jun 75 57 9.8 41.37 49.99 -8.63 12.67 Increase chemical thinner rate by 15%
10-Jun 67 60 5.2 15.09 46.08 -30.99 18.02 Increase chemical thinner rate by 15%
11-Jun 74 58 25.1 104.86 52.53 52.33 36.22 Increase chemical thinner rate by 30%
12-Jun 80 58 23.6 97.16 59.21 37.95 35.03 Increase chemical thinner rate by 30%
13-Jun 79 66 20.7 80.80 68.00 12.79 35.71 Increase chemical thinner rate by 30%
14-Jun 76 60 24.4 101.55 59.73 41.82 38.96 Increase chemical thinner rate by 30%
15-Jun 74 59 24.9 105.76 58.20 47.56
16-Jun 78 59 25.2 104.14 63.47 40.67
17-Jun 82 62 25.6 98.50 72.70 25.80

Note date printed in boldface is the date the model was run and is based on expected temperatures for that specific date and location.

Contact Information

Robert Crassweller
  • Professor of Horticulture
Email:
Phone: 814-863-6163