Biocontrol of pyricularia oryzae using bacillus subtilis metabolites
Utilizing secondary metabolites from Bacillus subtilis Bs006, this innovative solution offers effective biocontrol of Pyricularia oryzae, enhancing plant defenses and providing a safe, environmentally friendly alternative to traditional fungicides.
Overview
This solution harnesses the power of secondary metabolites produced by the Bacillus subtilis Bs006 strain to control the rice pathogen Pyricularia oryzae. The metabolites, including fengycins, iturins, and surfactins, are known for their fungicidal properties and ability to activate plant defense mechanisms. The innovative formulation ensures a consistent and efficient release at the action site, providing a safe and targeted approach to pathogen control.
Technical specifications
- Strain used: Bacillus subtilis Bs006, part of Natibac® CS
- Key metabolites: Cyclic lipopeptides such as fengycins, iturins, and surfactins
- Production method: Submerged fermentation in pilot-scale facilities
- Application: Metabolite solution sprayed on rice seedlings, followed by pathogen inoculation for efficacy testing
- Environmental impact: High specificity and safety, minimizing environmental risks
Technology readiness level
This biocontrol technology is at TRL 5, having been validated at pilot-scale production and ready for further greenhouse evaluations to assess its effectiveness in real-world conditions.
About Corporación Colombiana de Investigación Agropecuaria
AGROSAVIA is a Colombian decentralized public entity of mixed non-profit participation dedicated to agricultural science, technology, and innovation. The organization focuses on generating scientific knowledge and developing agricultural technology through research, technological adaptation, and the dissemination of technical expertise. Its operations are organized into specialized innovation networks, including cacao, fruits, vegetables, livestock, permanent crops, and roots and tubers. By bridging the gap between advanced research and practical application, AGROSAVIA develops improved crop varieties, such as biofortified beans and sugarcane, and establishes integrated management protocols to enhance agricultural productivity and sustainability.
These efforts are vital for Colombian agricultural producers, providing them with the tools and knowledge necessary to improve competitiveness, ensure sustainable natural resource management, and raise their quality of life. Through initiatives like field schools and the provision of technical assistance, the corporation facilitates the transfer of technology and information to small-scale farmers. By fostering collaboration between the public and private sectors, AGROSAVIA acts as a key driver for technical change in the national agricultural sector, helping producers modernize their practices and address challenges related to climate resilience and food security.
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