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United States Department of Agriculture

Agricultural Research Service

Pearl Millet Diseases: Nematodes: Ring

Pearl Millet Diseases
Nematode Diseases

Ring Nematode

Criconemella ornata (Raski) Luc & Raski

Symptoms: Reduced vigor is implied in the primary citation. General symptoms on maize include root lesions, root decay, mild stunting (Shurtleff 1980).

Pathogen and disease characteristics: Ectoparasitic nematode. Not defined in the primary citation; consultation of other references is advised.

Host range: Pearl millet, sorghum-sudangrass hybrids. Also other grasses, citrus, apples, peaches, peanut, beans, soybeans, pines, others (Shurtleff 1980). Consult other references for additional hosts.

Geographic distribution: USA. Consultation of other references is advised.

Nomenclature discrepancies: Synonyms: Criconemoides ornatus Raski.

Seed transmission: Not transmitted by seed.

Primary citation: Johnson and Burton 1977.


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United States Department of Agriculture
Agricultural Research Service

The material on this page is in the public domain.

Original posting: June 5, 1999.

Last Modified: 2/6/2002
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