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

Current status of McIntosh and apple pests at Conklin / Wright, 2024 (Report issued 4/26/2024 2:07)

Biofix dates



Temperature and degree day data estimated for: 4/25

Apple crop stages (McIntosh)

Last stageOpen Cluster on 4/16
Next stagePink expected on 4/27
Harvest estimatesMcIntosh: 9/7; Jonathan: 9/14; Red Delicious: 9/20
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 835DD
--Current (4/26): 120.7
Forecast (5/2): 195.3
50
Codling mothNo development observed
Watch for biofix (first sustained catch)
----50
Obliquebanded leafrollerNo development observed
Watch for biofix (first sustained catch)
----42
Oriental fruit mothBiofix (first adult emergence)
4/16
First eggs laid
expected on 4/27
4/16Current (4/26): 56.4
Forecast (5/2): 160.4
45