Apple Carbohydrate Thinning Model for Cabot, PA

Green Tip: March 23, 2020
April: May 5, 2020

Date Max Temp (°F) Min Temp (°F) Solar Rad (MJ/m2) Production Demand Balance 4-Day Avg Balance Thinning Recommendation
26-May 87 63 23.70 80.36 179.16 -98.80 -82.83 Do not thin (many fruits will fall off naturally)
27-May 81 63 21.20 83.20 156.51 -73.31 -49.72 Decrease chemical thinner rate by 30%
28-May 76 64 10.40 46.45 139.61 -93.16 -14.91 Apply standard chemical thinner rate
29-May 78 62 13.20 61.64 127.70 -66.06 21.64 Increase chemical thinner rate by 30%
30-May 69 43 20.70 103.49 69.84 33.65 41.12 Increase chemical thinner rate by 30%
31-May 63 40 26.10 119.48 53.54 65.94 28.42 Increase chemical thinner rate by 30%
1-Jun 68 44 25.80 119.21 66.19 53.02 7.52 Increase chemical thinner rate by 15%
2-Jun 70 48 15.40 85.14 73.25 11.88
3-Jun 79 57 15.60 78.82 96.01 -17.18
4-Jun 80 63 17.70 83.41 101.04 -17.64

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