Michigan State University

Enviroweather

Model:

Current status of McIntosh and apple pests at Hartford, 2024 (Report issued 4/23/2024 10:12)

Biofix dates

Codling moth first sustained catch (estimate: 4/28):

Obliquebanded leafroller first sustained catch:

Oriental fruit moth first adult emergence (estimate: 4/13):

Oriental fruit moth second generation adult emergence begins:

Apple crop stages (McIntosh)

Last stage	Full Bloom on 4/19
Next stage	Petal Fall expected on 4/28
Harvest estimates	McIntosh: 8/29; Jonathan: 9/10; Red Delicious: 9/16 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 787DD	--	Current (4/23): 168.7 Forecast (4/29): 223.9	50
Codling moth	No development observed	Biofix (first sustained catch) expected on 4/28	4/28	Current (4/23): Forecast (4/29): 29.5	50
Obliquebanded leafroller	No development observed	Watch for biofix (first sustained catch)	--	--	42
Oriental fruit moth	First eggs laid 4/17	Start of peak adult emergence expected on 4/28	4/13	Current (4/23): 107 Forecast (4/29): 184.1	45

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