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United States Department of Agriculture

Agricultural Research Service

Pearl Millet Diseases: Viral Diseases: Satellite Panicum Mosaic Virus

Pearl Millet Diseases
Viral Diseases

Satellite Panicum Mosaic Virus (SPMV)

Symptoms: Coinoculation of panicum mosaic virus (PMV) with its satellite virus (SPMV) results in a severe chlorotic mottle on pearl millet (Qiu et al. 1998).

Pathogen and disease characteristics: The virus is a mechanically transmitted 42S isometric particle, 17 nm in diameter, but it is not infectious alone. Contains two RNA species (14 and 34S) and a single protein (15,500 daltons). Satellite panicum mosaic virus is serologically unrelated to panicum mosaic virus (PMV), but depends on PMV for replication. Two serotypes are known (Buzen et al. 1984).

Host range: Host range is not well defined but is probably identical to that of panicum mosaic virus.

See note on panicum mosaic virus.

Geographic distribution: USA (Kansas).

Nomenclature discrepancies: None.

Seed transmission: Not known to be transmitted by seed.

Primary citations: As above.

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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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