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

Seasonal history of McIntosh and apple pests at Fennville, 2024 (Report issued 4/19/2024 20:05)

Biofix dates



Temperature and degree day data estimated for: 1/12; 2/18
DateDD42 since 1/1Apple Crop Stage (McIntosh) Insect Stages
3/4102.5Dormant
3/11128.61st Green
3/26189.11/4" Green
4/5205.61/2" Green
4/10246.5Tight Cluster
4/14286.6Open Cluster
4/16319.3Oriental fruit moth: Biofix (first adult emergence)
4/23370.8Pink