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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 3/29/2024 0:44)

Biofix dates



Temperature and degree day data estimated for: 1/6; 1/8 - 1/18; 1/22 - 1/31; 3/28

Apple crop stages (McIntosh)

Last stage1st Green on 3/12
Next stage1/4" Green expected in 6 DD
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 911DD
--Current (3/29): 44.7
Forecast (4/4): 44.7
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