Anthracnose - Home of Knowledge



A plant disease caused by fungi of genus Colletotrichum. It results in dark lesion on the plant body. It is a term used for a number of diseases that affects different plants species in similar ways.


Causal Organisms

The causal agents of these diseases are a group of species belong to a genus of fungi called Colletotrichum. The genus is composed of large number of pathogenic species.

Important Fungal Species Responsible

Anthracnose of cotton (Colletotrichum gossypii)

A of cucurbits (Colletotrichum lagenarium)

A of tomato (Colletotrichum  coccodes, Colletotrichum  phomoides)

Banana anthracnose (Colletotrichum musae)

Bean A. (Colletotrichum  lindemuthianum)

Cereal  (Colletotrichum  graminicola)

Mango  (Colletotrichum gloeosporioides)

Onion smudge (Colletotrichum  circinans)

Pepper  (Colletotrichum capsici)

Affected Plants

Affect almost all parts of the plants and occur at any stage of life cycle of plants. This disease affects number of plants species including banana, pepper, tomato, etc.

Symptoms and Identifications

In plants leaves the disease appears first as small yellow and brown spots. The disease results in wilting and dying of the tissues and mostly affects the developing organs. The symptoms vary in different plants species. In vegetable plant species this disease affects almost all parts of the plant species. The disease cause defoliation of the tree and cause yellowing of the leaves also.

Condition That Favor Development

Condition that favors development is moist environment.

Prevention and Control

Prevention includes prevention of infected species and use of disease resistant species. Provide proper light, fertilizers and water content at time.

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