Phytohormones has produced by endophytic bacteria promote the development and yield in plants. To investigate the role of endophytic bacteria on the soil properties and the growth of ginger, a net house experiment was carried. The experiment was used four treatments (Control, Bacillus subtilis IGPEB 34, Bacillus pumilis IGPEB 37, and Bacillus altitudinis IGPEB 20). Bacillus subtilis IGPEB 34 and B. pumilis IGPEB 37 significantly increased plant growth (the plant height, leaf number, leaf length, and leaf width) as compared to the control treatment. Moreover, inoculation of B. subtilis IGPEB 34 treatment significantly enhanced the total chlorophyll, chlorophyll a, chlorophyll b and carotenoid contents. In comparison to the control, inoculation B. subtilis IGPEB 34 treatment significantly enhanced the catalase, invertase and phosphatase activities in soil, the total phosphorus (P), potassium (K), carbon (C), and humus contents in the soil. The results concluded that B. subtilis IGPEB 34 strain positively influence the soil nutrients, along with morphological and physiological characteristics of ginger.

Department of Bio and Nano Technology Guru Jambheshwar University of Science and Technology Hisar Haryana 125001 India

Department of Biotechnology School of Energy and Technology Pandit Deendayal Energy University Knowledge Corridor Raisan Village PDPU Rd Gandhinagar Gujarat 382007 India

Department of Geology and Pedology Faculty of Forestry and Wood Technology Mendel University in Brno Zemedelska 1 61300 Brno Czech Republic

Department of Horticulture Faculty of Agriculture Ataturk University 25240 Erzurum Turkey

Department of Horticulture Sher e Bangla Agricultural University Dhaka 1207 Bangladesh

Faculty of Biology National University of Uzbekistan 100174 Tashkent Uzbekistan

HGF Agro Ata Teknokent 25240 Erzurum Turkey

Institute of Genetics and Plant Experimental Biology Uzbekistan Academy of Sciences 111208 Kibray Uzbekistan

Institute of Microbiology Academy of Sciences of Uzbekistan Tashkent Uzbekistan

Nikola Pushkarov Institute of Soil Science Agrotechnologies and Plant Protection 3 Shose Bankya St 1331 Sofia Bulgaria

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