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

Seasonal history of McIntosh and apple pests at Scottdale, 2024 (Report issued 4/25/2024 23:15)

Biofix dates



Temperature and degree day data estimated for: 2/13
DateDD42 since 1/1Apple Crop Stage (McIntosh) Insect Stages
3/398.4Dormant
3/5128.71st Green
3/14189.91/4" Green
3/25209.71/2" Green
4/2243.1Tight Cluster
4/10291.5Open Cluster
4/13321.2Oriental fruit moth: Biofix (first adult emergence)
4/16382.5Pink
4/17401.5King BloomOriental fruit moth: First eggs laid
4/21422.6Full Bloom
4/28513.4Petal FallCodling moth: Biofix (first sustained catch)
Oriental fruit moth: Start of peak adult emergence