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

Current status of McIntosh and apple pests at Sparta 20m Tower, 2024 (Report issued 4/27/2024 1:18)

Biofix dates



Temperature and degree day data estimated for: 4/26

Apple crop stages (McIntosh)

Last stagePink on 4/27
Next stageKing Bloom expected on 4/28
Harvest estimatesMcIntosh: 9/7; Jonathan: 9/13; Red Delicious: 9/20
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 821DD
--Current (4/27): 134.7
Forecast (5/3): 205.1
50
Codling mothNo development observed
Biofix (first sustained catch)
expected on 5/2
5/2Current (4/27):
Forecast (5/3): 14.4
50
Obliquebanded leafrollerNo development observed
Watch for biofix (first sustained catch)
----42
Oriental fruit mothBiofix (first adult emergence)
4/17
First eggs laid
expected on 4/28
4/17Current (4/27): 65.5
Forecast (5/3): 165
45