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

Seasonal history of McIntosh and apple pests at Sparta, 2024 (Report issued 4/19/2024 1:41)

Biofix dates



Temperature and degree day data estimated for: 4/18
DateDD42 since 1/1Apple Crop Stage (McIntosh) Insect Stages
3/492.9Dormant
3/13138.11st Green
4/8202.31/4" Green
4/9213.81/2" Green
4/13246Tight Cluster
4/16295.2Open Cluster
4/17313.6Oriental fruit moth: Biofix (first adult emergence)