PGPR in managing root rot disease and enhancing growth in mandarin (Citrus reticulata Blanco.) seedlings

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dc.creatorB.N. Chakraborty
dc.creatorS. Allay
dc.creatorA.P. Chakraborty
dc.creatorU. Chakraborty
dc.date2016
dc.date.accessioned2026-07-07T03:44:50Z
dc.descriptionDecline in general plant-health and fruit production in mandarin influenced by abiotic and biotic factors is a major threat to cultivars grown in Darjeeling and Sikkim hills. Fusarium root rot, caused by F. oxysporum, is one of the most serious diseases afflicted during early plant growth stage in Citrus. To address this, seven PGPR isolates - Pseudomonas poae (RMK03), Bacillus stratosphericus (RHS/CL-01), Ochrobactrum anthropi, Paenibacillus lentimorbus, Bacillus pumilus, Bacillus megaterium and Bacillus amyloliquefaciens were isolated from the rhizosphere of Citrus reticulata, C. limonia and Camellia sinensis, and used for evaluating their effect on growth of mandarin seedlings. Pseudomonas poae showed in vitro antagonism to Fusarium oxysporum. Better growth enhancement was noticed with P. poae, B. stratosphericus, O. anthropi and B. pumilus. Enhanced activity of chlorophyll, total protein, phenol, four major defense enzymesc as observed upon application of PGPR. P. poae also suppressed root rot caused by Fusarium oxysporum. Use of PGPR, which promote growth besides reducing disease severity to some extent, may lead to use of eco-friendly approaches for controlling plant diseases.
dc.formatapplication/pdf
dc.identifier0973-354X
dc.identifierhttps://www.redalyc.org/articulo.oa?id=577077089004
dc.identifier.urihttp://hdl.handle.net/123456789/442143
dc.languageen
dc.publisherSociety for Promotion of Horticulture
dc.relationhttp://www.redalyc.org/revista.oa?id=5770
dc.rightsJournal of Horticultural Sciences
dc.sourceJournal of Horticultural Sciences (India) Num.2 Vol.11
dc.subjectAgrociencias
dc.titlePGPR in managing root rot disease and enhancing growth in mandarin (Citrus reticulata Blanco.) seedlings
dc.typeartículo científico

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Journal of Horticultural Sciences - Society for Promotion of Horticulture