Share

Centre County

Apple Carbohydrate Thinning Model for Rock Springs.

Green tip: March 23
Bloom: April 22

DateMax Temp (°F)Min Temp (°F)Solar Rad (Mj/m2)ProductionDemandDaily Balance4-Day Avg. BalanceThinning Recommendation
26-May 64 56 13.2 70.58 70.25 0.33 4.13 Increase chemical thinner rate by 30%
27-May 70 49 17.4 91.22 68.78 22.44 0.86 Increase chemical thinner rate by 30%
28-May 66 56 9.7 52.91 73.99 -21.08 0.24 Increase chemical thinner rate by 30%
29-May 75 59 23.8 105.39 90.56 14.84 16.94 Increase chemical thinner rate by 30%
30-May 71 61 14.8 74.85 87.63 -12.78 16.96 Increase chemical thinner rate by 30%
31-May 72 54 20.0 99.95 79.96 19.99 15.70 Increase chemical thinner rate by 30%
1-Jun 70 50 24.6 118.00 72.30 45.71 14.76 Increase chemical thinner rate by 30%
2-Jun 74 50 17.2 92.49 77.57 14.92 9.36 Increase chemical thinner rate by 30%
3-Jun 75 59 13.9 72.88 90.72 -17.84 -
4-Jun 71 53 17.3 93.81 77.56 16.25 -
5-Jun 66 53 17.2 95.09 71.00 24.09 -

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