Michigan State University

Enviroweather

Model:

Current status of McIntosh and apple pests at Hudson, 2024 (Report issued 4/24/2024 12:31)

Biofix dates

Codling moth first sustained catch (estimate: 4/30):

Obliquebanded leafroller first sustained catch:

Oriental fruit moth first adult emergence (estimate: 4/16):

Oriental fruit moth second generation adult emergence begins:

Apple crop stages (McIntosh)

Last stage	Pink on 4/23
Next stage	King Bloom expected on 4/27
Harvest estimates	McIntosh: 9/4; Jonathan: 9/2; Red Delicious: 9/10 More details

Insect pest predictions

Insect	Last Stage	Next Stage	Selected Biofix	DD since biofix	DD Base
Apple maggot	No development observed	Emergence of adult fly expected in 817DD	--	Current (4/24): 138.3 Forecast (4/30): 211	50
Codling moth	No development observed	Biofix (first sustained catch) expected on 4/30	4/30	Current (4/24): Forecast (4/30): 11.5	50
Obliquebanded leafroller	No development observed	Watch for biofix (first sustained catch)	--	--	42
Oriental fruit moth	Biofix (first adult emergence) 4/16	First eggs laid expected on 4/27	4/16	Current (4/24): 59.3 Forecast (4/30): 156.5	45

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