Apple Carbohydrate Thinning Model for Biglerville, Piney Mtn, and York Springs.

Biglerville

Green tip: March16, 2020
Full bloom: April 27, 2020

Date Max Temp (°F) Min Temp (°F) Solar Rad (MJ/m2) Production Demand Balance 4-Day Avg Balance Thinning Recommendation
26-May 83 56 27.30 111.63 100.33 11.30 -30.75 Decrease chemical thinner rate by 15%
27-May 77 60 13.90 70.31 93.40 -23.08 -24.90 Decrease chemical thinner rate by 15%
28-May 81 65 9.70 44.54 102.59 -58.06 -3.37 Apply standard chemical thinner rate
29-May 84 70 14.40 61.00 114.15 -53.15 26.12 Increase chemical thinner rate by 30%
30-May 77 51 24.10 114.61 79.92 34.69 48.99 Increase chemical thinner rate by 30%
31-May 68 46 26.20 125.32 62.29 63.04 41.06 Increase chemical thinner rate by 30%
1-Jun 69 48 26.20 125.66 65.75 59.91 25.42 Increase chemical thinner rate by 30%
2-Jun 74 51 22.40 113.60 75.27 38.32 -
3-Jun 78 57 16.80 90.05 87.07 2.98 -
4-Jun 80 63 19.80 97.21 96.75 0.46

Piney Mountain

Green tip: March 21, 2020
Full bloom: May 2, 2020

Date Max Temp (°F) Min Temp (°F) Solar Rad (MJ/m2) Production Demand Balance 4-Day Avg Balance Thinning Recommendation
26-May 79 54 25.30 102.87 126.97 -24.10 -58.64 Decrease chemical thinner rate by 30%
27-May 74 60 12.40 60.81 119.47 -58.66 -44.55 Decrease chemical thinner rate by 30%
28-May 78 66 10.60 47.07 129.41 -82.33 -13.85 Apply standard chemical thinner rate
29-May 81 67 12.50 53.89 123.36 -69.47 21.83 Increase chemical thinner rate by 30%
30-May 74 49 24.10 112.47 80.22 32.24 49.44 Increase chemical thinner rate by 30%
31-May 64 44 26.30 121.49 57.33 64.16 42.94 Increase chemical thinner rate by 30%
1-Jun 66 46 26.20 121.76 61.38 60.38 29.06 Increase chemical thinner rate by 30%
2-Jun 71 49 22.40 110.88 69.89 40.99
3-Jun 75 55 16.80 88.56 82.32 6.23
4-Jun 77 59 20.10 98.25 89.60 8.65

York Springs

Green tip: March 15, 2020
Full bloom: April 29, 2020

Date Max Temp (°F) Min Temp (°F) Solar Rad (MJ/m2) Production Demand Balance 4-Day Avg Balance Thinning Recommendation
26-May 84 56 27.90 112.90 103.58 9.31 -28.21 Decrease chemical thinner rate by 15%
27-May 78 59 15.20 76.95 94.93 -17.98 -21.47 Decrease chemical thinner rate by 15%
28-May 81 64 10.00 48.78 100.01 -51.23 -1.02 Apply standard chemical thinner rate
29-May 84 70 13.10 58.37 111.32 -52.95 27.32 Increase chemical thinner rate by 30%
30-May 77 52 24.10 115.81 79.55 36.26 50.95 Increase chemical thinner rate by 30%
31-May 68 47 26.20 126.31 62.49 63.83 43.15 Increase chemical thinner rate by 30%
1-Jun 69 48 26.10 126.75 64.62 62.12 27.56 Increase chemical thinner rate by 30%
2-Jun 73 51 22.40 115.40 73.81 41.58
3-Jun 78 56 16.60 91.88 86.80 5.07
4-Jun 80 64 20.70 101.89 100.43 1.46

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