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

Current status of McIntosh and apple pests at Ithaca, 2024 (Report issued 4/26/2024 22:34)

Biofix dates



Temperature and degree day data estimated for: 1/6; 1/8 - 1/18; 1/22 - 1/31

Apple crop stages (McIntosh)

Last stagePink on 4/23
Next stageKing Bloom expected on 4/27
Harvest estimatesMcIntosh: 9/4; Jonathan: 9/6; Red Delicious: 9/14
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 813DD
--Current (4/26): 142.8
Forecast (5/2): 233.8
50
Codling mothNo development observed
Biofix (first sustained catch)
expected on 4/30
4/30Current (4/26):
Forecast (5/2): 39.5
50
Obliquebanded leafrollerNo development observed
Watch for biofix (first sustained catch)
----42
Oriental fruit mothBiofix (first adult emergence)
4/16
First eggs laid
expected on 4/27
4/16Current (4/26): 71.3
Forecast (5/2): 192.3
45