Michigan State University

Enviroweather

Model:

Current status of McIntosh and apple pests at Berrien Springs, 2024 (Report issued 4/18/2024 19:38)

Biofix dates

Codling moth first sustained catch:

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	King Bloom on 4/17
Next stage	Full Bloom expected on 4/19
Harvest estimates	McIntosh: 9/1; Jonathan: 9/14; Red Delicious: 9/20 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 801DD	--	Current (4/18): 154.5 Forecast (4/24): 165.1	50
Codling moth	No development observed	Watch for biofix (first sustained catch)	--	--	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 in 75DD	4/13	Current (4/18): 84.2 Forecast (4/24): 109.3	45

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