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

Seasonal history of McIntosh and apple pests at Ithaca, 2024 (Report issued 4/19/2024 18:25)

Biofix dates



Temperature and degree day data estimated for: 1/6; 1/8 - 1/18; 1/22 - 1/31
DateDD42 since 1/1Apple Crop Stage (McIntosh) Insect Stages
3/493.1Dormant
3/12127.51st Green
4/6191.31/4" Green
4/8215.31/2" Green
4/10243.1Tight Cluster
4/15297.4Open Cluster
4/16309.8Oriental fruit moth: Biofix (first adult emergence)
4/23371.5Pink