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

Current status of McIntosh and apple pests at Chatham, 2024 (Report issued 4/26/2024 3:02)

Biofix dates



Temperature and degree day data estimated for: 4/25

Apple crop stages (McIntosh)

Last stage1st Green on 4/18
Next stage1/4" Green expected on 4/30
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 912DD
--Current (4/26): 43.5
Forecast (5/2): 60.1
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
Watch for biofix (first adult emergence)
----45