Phomopsis theae

Phomopsis theae is a fungal species that belongs to the Diaporthales order. It is known for causing a disease in tea plants, specifically the Camellia sinensis species. The disease is commonly referred to as "die-back of tea" and is a significant issue in tea cultivation.

Taxonomy

The fungus was first described in 1917 by mycologist Hansford, C.G.. It belongs to the Phomopsis genus, which includes over 900 species. The genus is part of the Diaporthaceae family, within the Diaporthales order.

Description

Phomopsis theae is a pathogenic fungus that primarily affects tea plants. It causes a disease known as "die-back of tea", which is characterized by the wilting and dying back of the tea plant's branches. The fungus infects the plant through wounds and then spreads, causing significant damage.

Distribution and habitat

Phomopsis theae is found in tea-growing regions worldwide, including China, India, and Sri Lanka. It thrives in warm, humid conditions, which are common in these regions.

Impact on tea cultivation

The "die-back of tea" disease caused by Phomopsis theae can lead to significant losses in tea production. The disease can reduce the yield and quality of the tea leaves, impacting the livelihoods of tea farmers and the economy of tea-producing regions.

Management and control

Management of Phomopsis theae involves regular pruning of the tea plants to remove infected branches and prevent the spread of the fungus. Fungicides can also be used to control the disease. However, the development of resistant tea plant varieties is considered the most sustainable solution.

See also

• Tea production
• Plant pathology
• Fungal plant pathogens and diseases

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