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

Seasonal history of McIntosh and apple pests at Berrien Springs, 2024 (Report issued 4/24/2024 1:39)

Biofix dates



Temperature and degree day data estimated for: 4/23
DateDD42 since 1/1Apple Crop Stage (McIntosh) Insect Stages
3/3101.9Dormant
3/5132.31st Green
3/14195.61/4" Green
3/25215.71/2" Green
4/1245Tight Cluster
4/9290.4Open Cluster
4/13328.7Oriental fruit moth: Biofix (first adult emergence)
4/15369.3Pink
4/17409.1King BloomOriental fruit moth: First eggs laid
4/19424.7Full Bloom
4/28526.3Petal FallCodling moth: Biofix (first sustained catch)
Oriental fruit moth: Start of peak adult emergence