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Screening of different Pseudomonas and Bacillus Spp. for production of L-glutamic acid and impact of their cell-free filtrate on growth and yield of brinjal (Solanum melongena)
Article | IMSEAR | ID: sea-209819
ABSTRACT
Amino acids can play a different role in plants such as nitrogen source, hormonal precursor, and stress reducingagents. L-glutamic acid is involved in several plant metabolic processes. The objectives of present work were toevaluate the L-glutamic acid production by different agriculturally important Pseudomonas and Bacillus speciesand to determine the effects of L-glutamic acid containing cell-free filtrate on the growth and yield of brinjal. Anexperiment was conducted in a completely randomized block design. Out of eight different strains of Pseudomonas,the highest L glutamic acid was detected in Pseudomonas fluorescens 128 (1.397 g/l) followed by P. fluorescensNSPL07 (1.073 g/l) and Pseudomonas striata RCOF153 (0.563 g/l). Similarly, out of six different species ofBacillus, moderate L-glutamic acid was detected in Bacillus amyloliquefaciens MTCC10439. (0.232 g/l). Thegrowth stimulatory effects of L glutamic acid containing filtrate (200 ppm) were also studied and it was found that allgrowth parameters of brinjal (plant height, fruits per plant, fruit yield, etc.) improved significantly. Results indicatedthat bacterial secretion containing L-glutamic acid along with other amino acids has biostimulatory effects and itshould be used to enhance the plant growth and yield.

Full text: Available Index: IMSEAR (South-East Asia) Type of study: Controlled clinical trial / Diagnostic study / Screening study Year: 2019 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Type of study: Controlled clinical trial / Diagnostic study / Screening study Year: 2019 Type: Article