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Vol. 12, Special Issue 7 (2023)

Mobilization of macro and micronutrients by promising microbial isolates in soil pot culture experiment

Akshay Ingole, Syed Ismail and Anil Dhamak
A short-term pot culture experiment was conducted to estimate effect of PGPR on mobilization of soil macro and micronutrients in soil using guava as test crop. Newly grafted nearly equal height seedling was planted in pot contains equal amount of soil. Hoagland nutrient solution was only used as a nutrient source. The laboratory stock cultures (Bacillus subtilis, Bacillus licheniformis, Bacillus megaterium, Bacillus thuringiensis, Pseudomonas fluorescens, Pseudomonas striata, Trichoderma viride. Trichoderma harzianum, Azotobacter chroococcum and Azospirillum lipoferum) selected on the basis of their nutrient solubilizing potential and the experiment is design in completely randomized design with eleven treatments (Ten microbial isolates and one uninoculated control) and three replications. Obtained result indicated that inoculation of strain Bacillus megaterium in pot culture experiment was found better microbial strain in increasing microbial activity, availability phosphorous, zinc and copper of soil, followed by strain Pseudomonas striata. Whereas, strain Trichoderma viride was superior in availability of potassium and sulphur in soil of pot experiment followed by Bacillus megaterium and Pseudomonas striata. Nitrogen availability in soil was found higher with inoculation of Azotobacter chroococcum and maximum availability in soil and content of Fe in leaves was found with inoculation of strain Pseudomonas fluorescens.
Pages: 2366-2373  |  168 Views  95 Downloads
How to cite this article:
Akshay Ingole, Syed Ismail and Anil Dhamak. Mobilization of macro and micronutrients by promising microbial isolates in soil pot culture experiment. The Pharma Innovation Journal. 2023; 12(7S): 2366-2373.

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