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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Sweet corn > Poor or no emergence

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Sweet corn > Seedling > Poor or no emergence

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  • Image: Black Rot 1
  • Image: Black Rot 2

Seed Corn Maggot
Delia platura

  • Maggots feed on developing seed which can prevent emergence
  • Damage is more common in cooler, wet weather
  • Seed corn maggot should not attack plantings made after June 1st
  • Maggots are yellowish-white, carrot-shaped, about ¼ inch in length, and legless
  • More information on Seed Corn Maggot...
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  • Image: Fusarium Wilt 1
  • Image: Fusarium Wilt 2
  • Image: 3

Damping Off
Pythium spp., Penicillium spp., Rhizoctonia spp., Fusarium spp. f.sp. conglutinans

  • Seed may rot in soil resulting in poor emergence
  • Seedlings may be stunted, pale green and may wilt
  • Dark sunken lesions may be seen on the stem or roots
  • More information on Damping Off...
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Cold Soil Temperature

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