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

Current status of McIntosh and apple pests at South Haven, 2024 (Report issued 4/26/2024 1:15)

Biofix dates



Temperature and degree day data estimated for: 4/25

Apple crop stages (McIntosh)

Last stageKing Bloom on 4/26
Next stageFull Bloom expected on 4/28
Harvest estimatesMcIntosh: 9/6; Jonathan: 9/9; Red Delicious: 9/17
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 819DD
--Current (4/26): 136.6
Forecast (5/2): 204.2
50
Codling mothNo development observed
Biofix (first sustained catch)
expected on 5/2
5/2Current (4/26):
Forecast (5/2): 4.6
50
Obliquebanded leafrollerNo development observed
Watch for biofix (first sustained catch)
----42
Oriental fruit mothBiofix (first adult emergence)
4/15
First eggs laid
expected on 4/27
4/15Current (4/26): 72.6
Forecast (5/2): 169.6
45