caa a22 4500 606161562 CHVBK 20210128100635.0 cr unu---uuuuu 210128e20150601xx s 000 0 eng 10.1007/s10526-015-9650-y doi (NATIONALLICENCE)springer-10.1007/s10526-015-9650-y Biosurfactant of Pseudomonas aeruginosa JS29 against Alternaria solani: the causal organism of early blight of tomato [Elektronische Daten] [Jiumoni Lahkar, Siddhartha Borah, Suresh Deka, Giyasuddin Ahmed] Alternaria solani (Ellis & Martin) is the causal organism of early blight of tomato (Solanum lycopersicum L.), considered to be one of the most destructive diseases in tomato. Currently, the prevention of the disease outbreak depends on the use of fungicides only. So, an investigation was carried out to study the biocontrol efficacy of the biosurfactant produced by Pseudomonas aeruginosa JS29 on early blight of tomato. In vitro studies indicated that the biosurfactant produced by this bacterial strain inhibits the growth of A. solani by 73% at a concentration of 3.00gl−1. In field condition1.50gl−1 concentration of crude biosurfactant was sufficient for complete inhibition of A. solani. The biosurfactant was characterized as rhamnolipid using Fourier transform infrared spectroscopy and liquid chromatography-mass spectrometry. This is the first report showing complete inhibition of early blight disease of tomato caused by A. solani using a rhamnolipid biosurfactant in field condition. International Organization for Biological Control (IOBC), 2015 Rhamnolipid nationallicence In vitro test nationallicence Pot-assay nationallicence Biocontrol nationallicence Alternaria solani nationallicence Pseudomonas aeruginosa JS29 nationallicence Lahkar Jiumoni Environmental Biotechnology Laboratory, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Gorchuk, 781035, Guwahati, India aut Borah Siddhartha Environmental Biotechnology Laboratory, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Gorchuk, 781035, Guwahati, India aut Deka Suresh Environmental Biotechnology Laboratory, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Gorchuk, 781035, Guwahati, India aut Ahmed Giyasuddin Department of Biotechnology, Gauhati University, 781014, Guwahati, India aut BioControl Springer Netherlands 60/3(2015-06-01), 401-411 1386-6141 60:3<401 2015 60 10526 https://doi.org/10.1007/s10526-015-9650-y text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10526-015-9650-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Lahkar Jiumoni Environmental Biotechnology Laboratory, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Gorchuk, 781035, Guwahati, India aut NATIONALLICENCE 700 1- Borah Siddhartha Environmental Biotechnology Laboratory, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Gorchuk, 781035, Guwahati, India aut NATIONALLICENCE 700 1- Deka Suresh Environmental Biotechnology Laboratory, Institute of Advanced Study in Science and Technology, Paschim Boragaon, Gorchuk, 781035, Guwahati, India aut NATIONALLICENCE 700 1- Ahmed Giyasuddin Department of Biotechnology, Gauhati University, 781014, Guwahati, India aut NATIONALLICENCE 773 0- BioControl Springer Netherlands 60/3(2015-06-01), 401-411 1386-6141 60:3<401 2015 60 10526