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

Current status of McIntosh and apple pests at Hart, 2024 (Report issued 4/25/2024 19:28)

Biofix dates



Temperature and degree day data estimated for: 2/13

Apple crop stages (McIntosh)

Last stageTight Cluster on 4/17
Next stageOpen Cluster expected on 4/27
Harvest estimatesAvailable 41 days after full bloom

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 871DD
--Current (4/25): 84.2
Forecast (5/1): 126.1
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 mothNo development observed
Biofix (first adult emergence)
expected on 4/27
4/27Current (4/25):
Forecast (5/1): 60
45