Biological Control for Solanum melongena L. in Sustainable Agriculture.

Abstract

The environment and ecosystem were disrupted by the extensive use of fertilizers and pesticides which are harmful to humans and animals. Nature unfolds a biological response to overcome the different types of hazardous agrochemicals, in the form of microorganisms which have the efficiency to encourage plant growth without disturbing the environment. We conducted a biological approach to control phytopathogenic agents by plant growth-promoting rhizobacteria (PGPR), capable of restraining the devastation by phytopathogen. Pseudomonads can cling to soil particles, motile, prototrophic, and antibiotic synthesis along with the production of hydrolytic enzymes. Pseudomonas fluorescens extracted from the soils of Kerala were subjected to the identification of genes that have the phytostumillatory effect. These bacteria were immobilized using sodium alginate beads and applied to the soil where Solanum melongena (L.) was planted and the growth was compared with plants treated with cyanobacteria Spirulina platensis and NPK. The plants treated with PGPR showed high potential in growth-promoting characters when compared to cyanobacteria and NPK. P. fluorescens is an intense bio-agent to use in the field of agriculture because of its multifaceted utility.