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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 4/16/2024 9:31)

Biofix dates



Temperature and degree day data missing for: 4/22
Temperature and degree day data estimated for: 4/15

Apple crop stages (McIntosh)

Last stage1/4" Green on 4/15
Next stage1/2" Green expected on 4/18
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 895DD
--Current (4/16): 60.8
Forecast (4/22): 63.9
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