Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Peas > Discolored leaves
Peas > Leaves > Discolored leaves
1 of 3
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
2 of 3
Virus
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
3 of 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 managing diseases in the home vegetable garden
