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United States Department of Agriculture

Agricultural Research Service

Pearl Millet Diseases: Fungal: Southern Blight

Pearl Millet Diseases
Fungal Diseases

Southern Blight

Sclerotium rolfsii Sacc.

Symptoms: Disease is expressed as seed decay, pre-emergence and postemergence damping off, stem lesions on seedlings, or stem cankers on more mature plants. Infection and rot are restricted to lower stem. Mature plants have considerable accumulation of dead brown leaves around the base. Root system is much reduced, with extensive killing and discoloration.

Pathogen and disease characteristics: White mycelium and brown sclerotia often visible at the base of the plant.

Host range: Very wide. Nearly all are annuals.

Geographic distribution: United States (for pearl millet).

Nomenclature discrepancies: Synonym: Pellicularia rolfsii (Sacc.) West.

Alternative disease name: White mold.

Seed transmission: Not known to be transmitted by seed.

Primary citation: Weber 1963.

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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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