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

Seasonal history of McIntosh and apple pests at Benton Harbor (SWMREC), 2021 (Report issued 3/28/2024 10:07)

Biofix dates



Temperature and degree day data estimated for: 4/30; 5/14
DateDD42 since 1/1Apple Crop Stage (McIntosh) Insect Stages
3/2298.1Dormant
3/24132.91st Green
4/4199.81/4" Green
4/5221.21/2" Green
4/6246.6Tight ClusterOriental fruit moth: Biofix (first adult emergence)
4/8291.3Open Cluster
4/10320Oriental fruit moth: First eggs laid
4/24374.3Pink
4/27419.4King BloomCodling moth: Biofix (first sustained catch)
Oriental fruit moth: Start of peak adult emergence
4/28434.8Full Bloom