Plant growth promoting bacteria Bacillus subtilis promote growth and physiological parameters of Zingiber officinale Roscoe

Ginger (Zingiber officinale Roscoe) is an important medicinal crop grown for its aromatic rhizome which used as a spice, food, flavouring agent and medicine. It has been characterised hypoglycemic, hypotensive, antioxidant antibiotic properties. This study was conducted to determine the impact of plant growth-promoting potential bacterial strain Bacillus subtilis L2 on growth physiological properties ginger. The experiment carried out in randomised block design with three replications pot experiments. plants were greenhouse conditions months. results showed that at 8 12 weeks after planting (WAP) inoculation increased height, leaf length, number leaves per width. Inoculation B. significantly height by 16, 20 18% compared control 4, WAP. At WAP, length raised uninoculated control. width 30 21% respectively when comparing non-inoculated percentage increase chlorophyll content resulted from over 10.5%, 15.5% 18.4% WAP respectively. concluded there significant positive effect can be or bio-fertiliser stimulation ginger growth.