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

Current status of McIntosh and apple pests at Mendon, 2024 (Report issued 3/29/2024 4:54)

Biofix dates



Apple crop stages (McIntosh)

Last stage1/2" Green on 3/19
Next stageTight Cluster expected on 3/31
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 892DD
--Current (3/29): 63.1
Forecast (4/4): 67.6
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