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Corn Problems/ Before Emergence (Sprout Twisted or leaves expanded…
Corn Problems/ Before Emergence
No seed planted
Clogged seed delivery system
Planter unit drive problems
Seed normal, not swelled
Soil too dry
Sprout Twisted or leaves expanded underground
Chloracetamide herbicide injury
Insecticide injury
Cloddy Soil
Fertilizer burn
Seed too deep
Biuret damage
Mechanical injury
Seed not sprouted
Seed not viable
Fertilizer in contact with seed
Ammonia injury
Insect or disease
Lack of oxygen (flooding)
Rotted seed or seedlings
Gibberella
Fusarium
Diplodia
Colletotrichum
Pythium
Seed swelled, not sprouted
Soil too wet
Seed not viable
Soil dried out
Seeds hollowed out
Seed corn beetle
Thief ant
Wireworm
Flea beetle larva
Seed corn maggot
Plants pulled up, eaten
Blackbirds
Mice
Pheasants
Voles
Crows
Ground squirrel
