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

Current status of McIntosh and apple pests at Benona / Shelby, 2024 (Report issued 4/19/2024 18:39)

Biofix dates



Apple crop stages (McIntosh)

Last stage1/2" Green on 4/16
Next stageTight Cluster expected in 5 DD
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 (4/19): 66.6
Forecast (4/25): 67.8
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
Watch for biofix (first adult emergence)
----45