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

Current status of McIntosh and apple pests at East Lansing (MSUHort), 2024 (Report issued 3/28/2024 11:44)

Biofix dates



Temperature and degree day data estimated for: 2/3; 2/18 - 2/19; 2/21 - 2/22

Apple crop stages (McIntosh)

Last stage1st Green on 3/12
Next stage1/4" Green expected on 3/29
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 908DD
--Current (3/28): 47.5
Forecast (4/3): 49.1
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