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

Current status of McIntosh and apple pests at Scottdale, 2024 (Report issued 4/26/2024 23:13)

Biofix dates



Temperature and degree day data estimated for: 2/13

Apple crop stages (McIntosh)

Last stageFull Bloom on 4/21
Next stagePetal Fall expected on 4/28
Harvest estimatesMcIntosh: 8/29; Jonathan: 9/9; Red Delicious: 9/13
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 789DD
--Current (4/26): 166.7
Forecast (5/2): 254.2
50
Codling mothNo development observed
Biofix (first sustained catch)
expected on 4/28
4/28Current (4/26):
Forecast (5/2): 70
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
4/13Current (4/26): 116.2
Forecast (5/2): 233.7
45