Pacific Northwest Plant Disease Management Handbook

Geranium (Pelargonium spp.)-Mosaic (Impatiens Necrotic Spot)

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Latest revision: 
March 2024

Poor picture trying to depict ringspot symptoms on leaves. Slide labeled Tomato Spotted Wilt.

Photo by Jay W. Pscheidt, 1993.

See:

Greenhouse Plants, Ornamental - Impatiens Necrotic Spot

Symptoms Symptomless infections can occur. Mosaic, mottling, stem and leaf necrosis, leaf deformation, yellow spots, and ringspots and stunted growth have been associated with Impatiens necrotic spot virus (INSV) and Tomato spotted wilt virus (TSWV).

Pscheidt, J.W., and Ocamb, C.M. (Senior Eds.). 2024 Pacific Northwest Plant Disease Management Handbook.
© Oregon State University.

Use pesticides safely!

  • Wear protective clothing and safety devices as recommended on the label. Bathe or shower after each use.
  • Read the pesticide label—even if you’ve used the pesticide before. Follow closely the instructions on the label (and any other directions you have).
  • Be cautious when you apply pesticides. Know your legal responsibility as a pesticide applicator. You may be liable for injury or damage resulting from pesticide use.

Trade-name products and services are mentioned as illustrations only. This does not mean that the participating Extension Services endorse these products and services or that they intend to discriminate against products and services not mentioned.

H - Home garden packaging commonly available.     O - Acceptable in organic production.