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

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Spinach > Leaves > Discolored Leaves

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  • Image: Apple Scab 1
  • Image: Apple Scab 2
  • Image: Apple Scab 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: Apple Maggot 1
  • Image: Apple Maggot 2
  • Image: Apple Maggot 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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  • Image: Apple Scab 1
  • Image: Apple Scab 2
  • Image: Apple Scab 3

Virus
Cucumber Mosaic Virus and Beet Curly Top

  • Leaves may be mottled or have a mosaic pattern of greens and yellows
  • Leaves are misshapen, usually curled and deformed
  • Young leaves are affected first but eventually the whole plant becomes yellow and stunted
  • More information on Virus...
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  • Image: Apple Maggot 1
  • Image: Apple Maggot 2

Downy Mildew
Peronospora farinose f.sp. spinaciae

  • Irregular yellow spots on upper leaf surface
  • Fuzzy gray growth on leaf spots on the underside of the leaves
  • Leaves become water soaked, turn yellow, than brown, finally black and rotten
  • Disease is common in cool wet weather
  • More information on Downy Mildew...

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