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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Snap bean > Collapsed seedling

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Snap bean > Seedling > Collapsed seedling

1 of 3
  • Damping Off 1
  • Damping Off 2
  • Damping Off 3

Damping Off
Pythium spp., Rhizoctonia spp., Fusarium spp., and Aphanomyces spp.

  • Stem turns dark at soil line and seedling may tip over at soil line
  • Seed may rot in soil
  • Plant wilts, turns dark and rots
  • Cobweb-like or cotton-like fungal growth on seedlings
  • More information on Damping Off...
2 of 3
  • Seed Corn Maggot 1
  • Seed Corn Maggot 2
  • Seed Corn Maggot 3

Seed Corn Maggot
Delia platura

  • Maggots feed on developing seeds and can completely destroy seeds, or damage the cotyledons and first true leaves
  • More common in cooler weather
  • Seed corn maggot should not attack plantings made after June 1st
  • Maggots are yellowish-white, about ¼ inch in length, and legless
  • More information on Seed Corn Maggot...
3 of 3
  • Anthracnose 1
  • Anthracnose 2
  • Anthracnose 3

Anthracnose
Colletotrichum lindemuthianum

  • Seedling stem has black lesions
  • Dark brown to black, sunken oval spots on pods
  • Black, sunken streaks or ovals on petioles and stems
  • Random dark brown to black lines develop along leaf veins
  • More information on Anthracnose...

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