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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Swiss Chard > Discolored leaves

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Swiss Chard > Leaves > Discolored leaves

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  • Image: Fire Blight 1
  • Image: Fire Blight 2
  • Image: Fire Blight 3

Spinach Leafminer
Pegomya hyoscyami

  • Larvae tunnel into leaves creating mines that begin long and narrow and eventually becoming an irregularly shaped blotch area
  • Mines are opaque at first and then later turn brown.
  • Larvae are a carrot-shaped, whitish maggot
  • Present throughout the growing season
  • More information on Spinach Leafminer
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  • Image: Black Rot 1
  • Image: Black Rot 2
  • Image: Black Rot 3

Root Rot Complex
Pythium spp., Rhizoctonia solani, Aphanomyces cochlioides

  • Leaves turn yellow and eventually wilt
  • Roots have dark sunken areas and few or no root hairs
  • Fluffy, white to grayish brown fungal growth may be present on rotted areas of the root
  • More information on Root Rot Complex

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