Apple Carbohydrate Thinning Model for Scott Township.

Green tip: April 2, 2020
Bloom: May 21, 2020

Date Max Temp (°F) Min Temp (°F) Solar Rad (MJ/m2) Production Demand Balance 4-Day Avg Balance Thinning Recommendation
5-Jun 76 63 19.30 79.94 146.93 -66.99 -17.31 Apply standard chemical thinner rate
6-Jun 76 62 24.80 98.53 140.39 -41.86 -2.44 Apply standard chemical thinner rate
7-Jun 66 52 24.10 107.50 89.83 17.68 -4.67 Apply standard chemical thinner rate
8-Jun 74 46 24.10 110.55 88.64 21.91 -11.09 Apply standard chemical thinner rate
9-Jun 84 54 26.10 107.11 114.63 -7.51 -12.15 Apply standard chemical thinner rate
10-Jun 86 61 15.70 69.54 120.31 -50.77 -4.50 Apply standard chemical thinner rate
11-Jun 81 57 20.00 92.89 100.90 -8.00 11.81 Increase chemical thinner rate by 15%
12-Jun 81 55 25.40 111.02 93.36 17.66
13-Jun 79 53 23.30 108.77 85.66 23.11
14-Jun 71 58 18.90 96.09 81.61 14.48

The text 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, Ph.D.
  • Professor of Horticulture