National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
An attempt was made to isolate, screen and evaluate lactic acid bacteria for its phosphate solubilization potentiality both under in vitro and in vivo conditions. In the course of investigation as many as five lactic acid bacterial isolates were obtained from milk and milk products and all the five isolates were characterized as Lactobacillus sp. based on morphological and biochemical studies. Further, when all the lactic acid bacterial isolates tested for the phosphate solubilization ability, the isolate LAB – 5 (Lactobacillus sp.) showed maximum phosphate solubilization ability on the Sperber’s media. Hence, LAB -5 was selected for further field evaluation studies along with standard phosphate solubilizing bacterial isolate (Bacillus megaterium). The effective LAB – 5 (Lactobacillus sp.) and phosphate solubilizing bacterial (Bacillus megaterium) consortia were evaluated on growth and yield of Spinach under field condition. Out of five treatments imposed, the treatment T5 = LAB - 5 (Lactobacillus sp.) + phosphate solubilizing bacteria (Bacillus megaterium) + compost + RDF recorded highest germination percentage (100%), more number of leaves (23 no./plant) and high chlorophyll content of 3.81 mg/g of tissue at the end of 45 days. Similarly, the highest fresh and dry weight of 40 and 6.2g/plant respectively were observed in the same treatment. Finally, the treatment 5 also showed the maximum NPK content in both plant and in soil. Scale of studies and further required to evaluate the effective LAB-5 (Lactobacillus sp.) and phosphate solubilizing Bacillus megaterium in multi-location trials using different crops.
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