Preliminary Identification, IAA-Producing and Antibacterial Capacity Determination of Five Ginger Growth-Promoting Bacteria
Wang Xixiang
Xu Kun
Zhang Dongmei
Du Binghai
Yang Qianqian
Hu Xiuna
Ding Yanqin
Abstract：In this research, the thallus and colony morphology characters, physiology and biochemistry properties and 16S rDNA sequence of five ginger growth-promoting bacteria were observed and analyzed.The strain GJ3, GJ130, NS87, NS178 and NS111 were identified as Bacillus amyloliquefaciens, Streptomyces nash-villensis, Leclercia adecarboxylata, Bacillus subtilis and Enterobacter ludwigii respectively.In addition, the an-tibacterial capacities of five strains were determined by antibacterial spectrum method.Among which, the strain GJ3 and NS178 had extensive antimicrobial spectrum, which both showed antagonism effects on 14 kinds of pathogenic fungi.The indole acetic acid ( IAA) -producing abilities of five strains were also meas-ured using Slkowski colorimetry.The strain NS111 had the best IAA-producing ability, whose IAA content of the fermentation liquid reached 148.80 mg/L.
Keywords：GingerIAA-producing strainAntagonism16S rDNA
Publication Date：2015-01-01
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：6( 36-40,46 )