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

Seasonal history of McIntosh and apple pests at Clarksville, 2024 (Report issued 4/25/2024 0:02)

Biofix dates



Temperature and degree day data estimated for: 4/7; 4/24
DateDD42 since 1/1Apple Crop Stage (McIntosh) Insect Stages
3/498.9Dormant
3/12138.91st Green
4/1190.31/4" Green
4/7208.61/2" Green
4/10248.5Tight Cluster
4/14291.2Open Cluster
4/15306Oriental fruit moth: Biofix (first adult emergence)
4/23377.3Pink
4/26392.6Oriental fruit moth: First eggs laid
4/27414.6King Bloom
4/28443.6Full Bloom
4/30484.6Oriental fruit moth: Start of peak adult emergence