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

Current status of McIntosh and apple pests at Clarksville, 2024 (Report issued 4/23/2024 2:29)

Biofix dates



Temperature and degree day data estimated for: 4/7; 4/22

Apple crop stages (McIntosh)

Last stagePink on 4/23
Next stageKing Bloom expected on 4/26
Harvest estimatesMcIntosh: 9/6; Jonathan: 9/6; Red Delicious: 9/15
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 825DD
--Current (4/23): 130.2
Forecast (4/29): 175.9
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 mothBiofix (first adult emergence)
4/15
First eggs laid
expected on 4/26
4/15Current (4/23): 67
Forecast (4/29): 134.1
45