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

Seasonal history of McIntosh and apple pests at Grant, 2024 (Report issued 4/25/2024 17:52)

Biofix dates



Temperature and degree day data estimated for: 1/15
DateDD42 since 1/1Apple Crop Stage (McIntosh) Insect Stages
3/494.2Dormant
3/13135.91st Green
4/8202.81/4" Green
4/9214.11/2" Green
4/13247Tight Cluster
4/16292.2Open Cluster
4/17309.4Oriental fruit moth: Biofix (first adult emergence)
4/27381Pink
4/28405.5King BloomOriental fruit moth: First eggs laid
4/29428.5Full Bloom