Skip to Main navigation Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension
www.extension.umn.edu
612-624-1222

Extension > Garden > Diagnose a problem > What's wrong with my plant? > Fruit > Melons > Poor or no emergence

Print Icon Email Icon Share Icon

Melons > Seedling >Poor or no emergence

1 of 3
  • Image: Damping off 1
  • Image: Damping off 2
  • Image: Damping off 3

Damping off
Pythium spp., Rhizoctonia sp., and Fusarium spp.

  • Seed may rot in soil
  • Leaves & stem appear discolored, water soaked
  • Seedling may tip over at soil line
  • Cobweb-like or cotton-like fungal growth on seedlings or potting mix
  • More information on Damping off...
2 of 3
  • Image: Cold Temperature 1
  • Image: Cold Temperature 2

Cold Temperature

  • Weather has been cold (below 50°F) and wet
  • Soil is cold (below 62°F) and damp to the touch
  • Leaf edges turn olive green to brown
  • In severe cases entire leaves, young shoots or the entire plant may be completely discolored and wilted
  • More information on Cold temperature...
3 of 3
  • Image: Seed Corn Maggot 1
  • Image: Seed Corn Maggot 2
  • Image: Seed Corn Maggot 3

Seed Corn Maggot
Delia platura

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

Don't see what you're looking for?

  • © Regents of the University of Minnesota. All rights reserved.
  • The University of Minnesota is an equal opportunity educator and employer. Privacy