Skip to main content
  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Current status of McIntosh and apple pests at Ceresco, 2024 (Report issued 4/27/2024 0:07)

Biofix dates



Temperature and degree day data estimated for: 4/19; 4/26

Apple crop stages (McIntosh)

Last stageFull Bloom on 4/22
Next stagePetal Fall expected on 4/29
Harvest estimatesMcIntosh: 8/30; Jonathan: 9/9; Red Delicious: 9/12
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 778DD
--Current (4/27): 177.2
Forecast (5/3): 257.2
50
Codling mothNo development observed
Biofix (first sustained catch)
expected on 4/29
4/29Current (4/27):
Forecast (5/3): 60
50
Obliquebanded leafrollerNo development observed
Watch for biofix (first sustained catch)
----42
Oriental fruit mothFirst eggs laid
4/19
Start of peak adult emergence
expected on 4/29
4/14Current (4/27): 124.8
Forecast (5/3): 229.8
45