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

Current status of McIntosh and apple pests at Romeo, 2024 (Report issued 4/26/2024 7:58)

Biofix dates



Temperature and degree day data estimated for: 1/30 - 2/2

Apple crop stages (McIntosh)

Last stageOpen Cluster on 4/17
Next stagePink expected on 4/27
Harvest estimatesMcIntosh: 9/6; Jonathan: 9/10; Red Delicious: 9/19
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 841DD
--Current (4/26): 114.9
Forecast (5/2): 205.4
50
Codling mothNo development observed
Biofix (first sustained catch)
expected on 5/2
5/2Current (4/26):
Forecast (5/2): 7.5
50
Obliquebanded leafrollerNo development observed
Watch for biofix (first sustained catch)
----42
Oriental fruit mothBiofix (first adult emergence)
4/18
First eggs laid
expected on 4/28
4/18Current (4/26): 43.1
Forecast (5/2): 163.6
45