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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Current status of McIntosh and apple pests at Cassopolis, 2024 (Report issued 4/24/2024 0:25)

Biofix dates



Temperature and degree day data estimated for: 4/23

Apple crop stages (McIntosh)

Last stageFull Bloom on 4/18
Next stagePetal Fall expected on 4/28
Harvest estimatesMcIntosh: 8/28; Jonathan: 9/10; Red Delicious: 9/16
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 786DD
--Current (4/24): 169.6
Forecast (4/30): 228.2
50
Codling mothNo development observed
Biofix (first sustained catch)
expected on 4/28
4/28Current (4/24):
Forecast (4/30): 36
50
Obliquebanded leafrollerNo development observed
Watch for biofix (first sustained catch)
----42
Oriental fruit mothFirst eggs laid
4/17
Start of peak adult emergence
expected on 4/28
4/12Current (4/24): 115.5
Forecast (4/30): 194.3
45