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United States Department of Agriculture

Agricultural Research Service

Pearl Millet: Fungal: Top Rot

Pearl Millet Diseases
Fungal Diseases

Top Rot

Fusarium moniliforme Sheldon

Symptoms: The panicle and immature leaves often remain in the whorl, where they become rotted and covered with a mass of white mycelium. Nodes will frequently be discolored.

Pathogen and disease characteristics: Microconidia are abundant, primarily single celled, and formed in long chains and in false heads (Nelson et al. 1983).

Host range: Numerous Gramineae. "Top rot" symptoms can occur on pearl millet, sugarcane, and sorghum.

Geographic distribution: On pearl millet, only the United States and India. On sugarcane, Australia, India, continental United States, Hawaii (Ramakrishnan 1941).

Nomenclature discrepancies: Alternative disease names: Twisted top, pokkah boeng, pokkah bong (name for disease on sugarcane).

Seed transmission: F. moniliforme is frequently isolated from seed (see table 4).

Primary citation: Wells 1956.

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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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