Microbial biopesticide and plant probiotic solutions for enhanced crop yield and soil health

Technology
Conceptual
University

A metagenomics-based approach to identify and validate naturally occurring microbes that act as both biopesticides and crop growth promoters. Targets commercially important crops such as wheat, maize, rice, peanut, and soybean, offering an alternative to chemical pesticides that degrade soil fertility. Validated probiotics can increase crop growth by 30-40% while controlling pest populations.

Overview

Chemical fertilizers and pesticides have significantly depleted naturally occurring beneficial microbes in agricultural soils, reducing fertility and crop yields over time. This solution leverages metagenomic profiling to identify and validate microbial strains that serve a dual purpose: promoting crop growth and acting as effective biopesticides. By replacing chemical inputs with biological alternatives, farmers can maintain healthy crop genetics, improve yields, and reduce environmental pollution and waste.

The approach targets commercially important global crops including wheat, maize, rice, peanut, and soybean. Validated plant probiotics such as Actinobacteria, Enterobacter, Streptomyces, and novel bacterial strains have demonstrated the ability to increase crop growth by 30-40%. As biopesticides, these microbes create pores in the stomach lining of pests, disrupt feeding and mobility, and reduce hatchability, leading to mass destruction of female pests and control of subsequent generations.

Technical specifications

Key microbial capabilities:

  • Phyto-stimulation: Enhances natural plant growth hormones and development
  • Nutrient mobilization: Converts atmospheric nitrogen into simpler, plant-accessible components
  • Abiotic stress protection: Provides high salt tolerance and resilience against environmental stressors
  • Biocontrol of plant pathogens: Suppresses harmful organisms that reduce crop health

Mechanism as biopesticides:

  • Creates pores on the epithelial lining of pest stomachs
  • Hinders pest feeding and mobility
  • Inhibits egg hatchability, reducing multiplication of next-generation pests
  • Targets female pests specifically for population-level destruction

Microbial strains identified and validated:

  • Diazotrophs and other plant growth-promoting bacteria
  • Actinobacteria, Enterobacter, Streptomyces
  • Novel bacterial strains discovered through metagenomic analysis
Technology readiness level

Preliminary metagenomic profiling of crop probiotics has been extensively studied, and the mechanism of action as biopesticides has been characterized, demonstrating a significant dual-property profile. Laboratory validation has confirmed the 30-40% crop growth promotion and pest control mechanisms.

A pilot project is required to validate and formulate optimal microbial concentrations for enhancing crop growth and biocontrol. Field validation is also necessary to analyze crop responses and modifications in microbial load under real-world conditions. Continuous monitoring and confirmation of microbial loads will be essential before commercial market introduction. The technology is currently at a stage where further validation and formulation development are needed prior to widespread deployment.


About R.V. College of Engineering

RV College of Engineering (RVCE) is an autonomous, self‑financing engineering institution in Bengaluru, affiliated to Visvesvaraya Technological University and accredited NAAC A+. It connects to industry through an active Industry Institute Interaction Cell, 150+ MoUs, and co‑located, industry‑sponsored labs and Centers of Excellence that enable joint training, prototyping, and upskilling on campus. Proximity to Bengaluru’s technology cluster supports internships, capstone co‑supervision, and consultancy engagements throughout the year. Research here is supported by competitive national programs and industry, including DRDO/NRB, AICTE, and ISRO collaborations. An IP Coordination Cell, together with incubation resources and a student‑run Entrepreneurship Development Cell, assists with patenting, licensing, and venture formation.

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