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

Current status of McIntosh and apple pests at Scottdale, 2024 (Report issued 4/20/2024 3:06)

Biofix dates



Temperature and degree day data estimated for: 2/13; 4/19

Apple crop stages (McIntosh)

Last stageKing Bloom on 4/17
Next stageFull Bloom expected on 4/21
Harvest estimatesMcIntosh: 9/2; Jonathan: 9/17; Red Delicious: 9/29
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 802DD
--Current (4/20): 153.6
Forecast (4/26): 171.6
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 mothFirst eggs laid
4/17
Start of peak adult emergence
expected in 70DD
4/13Current (4/20): 88.9
Forecast (4/26): 124.1
45