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

Current status of McIntosh and apple pests at Sandusky, 2024 (Report issued 4/27/2024 1:01)

Biofix dates



Temperature and degree day data estimated for: 4/26

Apple crop stages (McIntosh)

Last stageOpen Cluster on 4/22
Next stagePink expected on 4/29
Harvest estimatesMcIntosh: 9/10; Jonathan: 9/17; Red Delicious: 9/26
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 (4/27): 114.4
Forecast (5/3): 185
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)
4/23
First eggs laid
expected on 4/29
4/23Current (4/27): 33.2
Forecast (5/3): 133.2
45