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

Current status of McIntosh and apple pests at Arlene, 2024 (Report issued 4/27/2024 0:42)

Biofix dates



Temperature and degree day data estimated for: 4/26

Apple crop stages (McIntosh)

Last stageOpen Cluster on 4/27
Next stagePink expected on 5/2
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 860DD
--Current (4/27): 95.7
Forecast (5/3): 145.4
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 4/28
4/28Current (4/27):
Forecast (5/3): 73.5
45