Emergence of Lasiodiplodia Theobromae Induced Leaf Necrosis in Tea (Camellia Sinensis [L.] O. Kuntze) from India

Overview

Journal Arch Microbiol

Specialty Microbiology

Date 2024 May 30

PMID 38814366

Authors

Kheyali Ghosh

Sandeep Das

Silpi Sorongpong

Nandita Das

Piyush Pandey

Affiliations

Soon will be listed here.

Abstract

The tea plant, Camellia sinensis [L.] O. Kuntze, is a vital global agricultural commodity, yet faces challenges from fungal infections, which affects its production. To reduce the loss in the tea production, the fungal infections must be removed which is managed with fungicides, which are harmful to the environment. Leaf necrosis, which decreases tea quality and quantity, was investigated across Assam, revealing Lasiodiplodia theobromae as the causative agent. Pathogenicity tests, alongside morphological and molecular analyses, confirmed its role in leaf necrosis. Genome and gene analysis of L. theobromae showed multiple genes related to its pathogenicity. The study also assessed the impact of chemical pesticides on this pathogen. Additionally, the findings in this study highlight the significance of re-assessing management approaches in considering the fungal infection in tea.

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