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

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Peas > Leaves > Discolored leaves

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  • Image: Flea Beetles 1
  • Image: Flea Beetles 2

Powdery mildew
Erysiphe pisi

  • Powdery white fungal growth forms spots on or completely coats leaves, stems and pods
  • Small round orange to black fungal structures develop in white mats
  • Pea seeds may be dull, gray brown and have a bitter taste
  • Plants may be stunted
  • Most common on late planted or late maturing plants
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  • Image: Septoria Leaf Spot 1

Red clover vein mosaic virus (RCVMV), Bean yellow mosaic virus (BYMV)

  • Leaf veins turn yellow or white
  • Leaves have a yellow to white mottled or mosaic pattern
  • Plant may be stunted
  • The number and size of pods can be reduced, pods may be malformed
  • Premature death of plant may occur
  • More information on Virus...
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  • Image: Early Blight 1
  • Image: Early Blight 2
  • Image: Early Blight 3

Mycosphaerella Blight
Mycosphaerella pinodes and Phoma medicaginis var. pinodella

  • Seedling stem turn dark brown to black, often near the soil line, seedlings may be killed or grow weakly
  • Small dark flecks on stems, leaves and pods
  • Leaf spots grow into round brown spots with several concentric rings like a bull's eye
  • Purplish black lesions on stems
  • More information on Mycosphaerella Blight...

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