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

Current status of McIntosh and apple pests at Old Mission, 2024 (Report issued 4/25/2024 13:00)

Biofix dates



Apple crop stages (McIntosh)

Last stage1/2" Green on 4/23
Next stageTight 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 889DD
--Current (4/25): 66.2
Forecast (5/1): 95.8
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 4/30
4/30Current (4/25):
Forecast (5/1): 12.7
45