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- Title
INVITRO AND INVIVO STUDIES ON MULTI POTENTIAL PLANT GROWTH PROMOTING EFFICACY OF ENDOPHYTIC BACTERIA ISOLATED FROM MANGROVE PLANTS.
- Authors
Subha, T. S.; Jacquline, L. Elizabeth; Kuzhalvaymani, K.; Muthulakshmi, M.
- Abstract
The present study is an attempt to isolate a multipurpose plant growth promoting bacteria from the Mangrove plants. Forty four (44) strains of bacteria were isolated and screened, of which, four strains were selected for further use. These four strains were identified by molecular techniques as Bacillus cereus, B. amyloliquefaciens, B. velezensis, B. siamensis. Plant growth can be promoted in two major ways 1) providing of nutrients and micronutrients, 2) protecting them from the invading pathogens. In this study, both aspects were analyzed under three heads, namely; a) Phytostimulation-production of IAA, b) Biofertiliser-Phosphate solubilisation, c) Biocontrol-antibiosis and production of hydrolytic enzymes. The studies were carried out invitro and invivo modes. The isolated endophytic bacteria had a multi-potential role of regulating phytoharmones, making the availability of nutrients to the plants, at the same time had a protective role of extracellular production of antimicrobial compounds and hydrolytic enzymes. The in vivo experiments prove that the endophytes treated seeds were way far better than the control in both vegetative and reproductive phases.
- Subjects
ENDOPHYTIC bacteria; PLANT regulators; MANGROVE plants
- Publication
Journal of Advanced Scientific Research, 2020, Vol 11, p209
- ISSN
0976-9595
- Publication type
Article