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J Appl Microbiol


Title:Potentiality of actinobacteria to combat against biotic and abiotic stresses in tea [Camellia sinensis (L) O. Kuntze]
Author(s):Borah A; Hazarika SN; Thakur D;
Address:"Microbial Biotechnology Laboratory, Life Sciences Division, Institute of Advanced Study in Science and Technology, Guwahati, India. Department of Molecular Biology and Biotechnology, Cotton University, Guwahati, India"
Journal Title:J Appl Microbiol
Year:2022
Volume:20220803
Issue:4
Page Number:2314 - 2330
DOI: 10.1111/jam.15734
ISSN/ISBN:1365-2672 (Electronic) 1364-5072 (Linking)
Abstract:"Tea (Camellia sinensis (L) O. Kuntze) is a long-duration monoculture crop prone to several biotic (fungal diseases and insect pest) and abiotic (nutrient deficiency, drought and salinity) stress that eventually result in extensive annual crop loss. The specific climatic conditions and the perennial nature of the tea crop favour growth limiting abiotic factors, numerous plant pathogenic fungi (PPF) and insect pests. The review focuses on the susceptibility of tea crops to PPF/pests, drought, salinity and nutrient constraints and the potential role of beneficial actinobacteria in promoting tea crop health. The review also focuses on some of the major PPF associated with tea, such as Exobasidium vexans, Pestalotiopsis theae, Colletotrichum acutatum, and pests (Helopeltis theivora). The phylum actinobacteria own a remarkable place in agriculture due to the biosynthesis of bioactive metabolites that assist plant growth by direct nutrient assimilation, phytohormone production, and by indirect aid in plant defence against PPF and pests. The chemical diversity and bioactive significance of actinobacterial metabolites (antibiotics, siderophore, volatile organic compounds, phytohormones) are valuable in the agro-economy. This review explores the recent history of investigations in the role of actinobacteria and its secondary metabolites as a biocontrol agent and proposes a commercial application in tea cultivation"
Keywords:"*Actinobacteria Animals Anti-Bacterial Agents/metabolism Bacteria *Camellia sinensis/microbiology Insecta Plant Growth Regulators/metabolism Siderophores/metabolism Stress, Physiological Tea *Volatile Organic Compounds/metabolism Camellia sinensis actinob;"
Notes:"MedlineBorah, Atlanta Hazarika, Shabiha Nudrat Thakur, Debajit eng Review England 2022/07/27 J Appl Microbiol. 2022 Oct; 133(4):2314-2330. doi: 10.1111/jam.15734. Epub 2022 Aug 3"

 
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