The updated degree day accumulations and treatment timing predictions will be shared as they are updated. The codling moth biofix dates for this season are June 10 for early regions and June 14 for late regions determined by Erika Bent, APM.
Suzanne Blatt, AAFC, has run Jeff Franklin's calculations for the degree day model today according to the current forecast to predict when degree day thresholds will be met for treatments. The models were run today with a degree day threshold of 10 degrees (C) using Kentville weather station data.
Codling Moth Treatment with Rimon
Timing: The treatment timing for Rimon is 80 degree days Celsius from biofix to target eggs before they hatch.
Timing: The treatment timing for Rimon is 80 degree days Celsius from biofix to target eggs before they hatch.
Prediction: According to the current forecast, the 80 degree day threshold is forecast to occur by Saturday, June 21 for early regions and Monday, June 23 for late regions.
Codling Moth Treatment with Egg Hatch Products
Products: Assail, Delegate, Intrepid, Altacor, and Exirel
Timing: The treatment timing for egg hatch products is 100 degree days Celsius from biofix.
Products: Assail, Delegate, Intrepid, Altacor, and Exirel
Timing: The treatment timing for egg hatch products is 100 degree days Celsius from biofix.
Prediction: According to the current forecast, the 100 degree day threshold is forecast to occur by Monday, June 23 for early regions and an estimate is not yet available for late regions.
Product: Imidan
Caution: All hand thinning activities must be completed prior to application. No hand thinning can occur on trees treated with Imidan.
Timing: Control of codling moth with Imidan is typically slightly later at 140 degree days after biofix.
Timing: Control of codling moth with Imidan is typically slightly later at 140 degree days after biofix.
Prediction: Not yet available.
Stay tuned for updates.
