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

Current status of McIntosh and apple pests at Elk Rapids, 2024 (Report issued 4/20/2024 10:52)

Biofix dates



Apple crop stages (McIntosh)

Last stage1/2" Green on 4/17
Next stageTight Cluster expected on 4/25
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 887DD
--Current (4/20): 68.5
Forecast (4/26): 78
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
Watch for biofix (first adult emergence)
----45