How to Manage Pests

Pests in Gardens and Landscapes

Virus diseases

Peas are susceptible to a number of viruses. Pea enation mosaic and pea streak are two common viruses found on peas. Both are transmitted by aphids. New growth may be distorted, curled, and mottled; pods may be distorted. Purple brown streaks may appear on stems and leafstalks. Plants eventually may die.

Solutions

It is not practical to try to control virus diseases by using insecticides to control aphids. Reflective mulches may reduce or delay infections as it helps repel insects from plants. Pull up plants showing symptoms; they will be unproductive and may allow disease to spread to nearby healthy plants. Keep broadleaf weeds down, because they may serve as a reservoir of viruses and facilitate spread. Plant resistant varieties if available.

Pea enation mosaic
Pea enation mosaic

Distorted pod
Distorted pod

Molting of pea leaf
Mottling of pea leaf

Pea streak virus
Pea streak virus

 


Statewide IPM Program, Agriculture and Natural Resources, University of California
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