Capnodium theae

Capnodium theae is a species of fungus in the family Capnodiaceae. It is a plant pathogen that primarily affects tea plants, hence the name theae, which is derived from Thea, the genus name for tea.

Taxonomy

The species was first described in 1917 by mycologist Hansford C.G.. It belongs to the genus Capnodium, which is characterized by its sooty mold appearance. The family Capnodiaceae is part of the order Capnodiales, within the class Dothideomycetes, the largest class of fungi in the Ascomycota phylum.

Description

Capnodium theae is a saprophytic fungus, meaning it feeds on dead or decaying organic material. It forms a black, sooty mold on the surface of tea leaves, which can reduce the plant's ability to photosynthesize and thus affect its growth and productivity. The fungus produces conidia, or asexual spores, which are spread by wind and rain.

Distribution and habitat

Capnodium theae is found in many tea-growing regions around the world, including China, India, and Sri Lanka. It thrives in warm, humid conditions, which are common in these areas.

Impact on tea production

The presence of Capnodium theae can significantly impact tea production. The black sooty mold it forms on tea leaves can reduce the quality of the tea, as it affects the appearance, taste, and aroma of the leaves. In severe cases, it can also reduce the yield of tea plants.

Management

Management of Capnodium theae involves a combination of cultural practices and chemical control. Cultural practices include regular pruning of tea plants to improve air circulation and reduce humidity, and removal of infected leaves. Chemical control involves the use of fungicides to kill the fungus.

See also

• List of tea diseases
• Capnodium citri
• Capnodium footii

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