Active ingredient

Bacillus subtilis strain FMCH002

Description

Mode of action

Bacillus subtilis strain FMCH002 is a highly effective biological agent belonging to the group of beneficial bacteria known for their plant-growth-promoting and disease-suppressing properties.

The core mechanism of action involves the colonization of the plant rhizosphere, which creates a protective biofilm that physically prevents pathogens from infecting roots.

The strain produces a diverse array of lipopeptide antibiotics, such as surfactins and iturins, which effectively degrade the cell walls of harmful fungal pathogens.

Furthermore, the presence of FMCH002 in the soil environment triggers Induced Systemic Resistance (ISR) in the host plant, bolstering its natural defense mechanisms against environmental stress.

This biological fungicide is non-toxic to beneficial insects, including pollinators, making it an excellent component for integrated pest management (IPM) strategies.

What it targets

This bacterial strain is specifically used to manage a wide range of fungal and bacterial plant diseases, including root rots, powdery mildew, and fusarium wilt.

It is particularly effective against soil-borne pathogens that cause seedling damping-off and poor emergence in various grain and vegetable crops.

The product is widely used in greenhouse settings to mitigate the rapid spread of airborne pathogens favored by high-humidity microclimates.

In addition to active disease suppression, it is applied to harvestable produce to extend shelf life by inhibiting the growth of post-harvest storage rots.

The breadth of its biological activity makes it a valuable tool for controlling both foliage and soil-borne diseases across various stages of plant development.

Rates and timing

Application rates for the strain vary significantly based on the crop type and the chosen method, which includes seed treatments, soil drenching, or foliar application.

For seed treatment, the concentration must be sufficient to ensure a uniform microbial coating, which protects the seed during the critical germination phase.

When applied as a soil drench or through irrigation systems, the dosage should correlate with the root zone volume to ensure optimal colonization of the rhizosphere.

Timing is crucial: applications are most effective when performed preventatively or at the earliest onset of symptoms to disrupt the pathogen lifecycle.

Users should adjust the frequency of application based on the infection pressure and the specific environmental conditions present in the field or greenhouse.

Restrictions

As a living microorganism, the strain requires careful handling and storage to maintain its viability, specifically avoiding exposure to extreme heat or direct sunlight.

Care must be taken when tank-mixing with other pesticides, as some chemical fungicides or bactericides may negatively impact the survival of the beneficial bacteria.

Effectiveness is highly dependent on environmental conditions, particularly moisture, which is necessary for the colonization process to initiate successfully.

The pH of the water used for tank mixing should be monitored, as highly acidic or alkaline conditions may inhibit the metabolic activity of the strain.

Biological control agents like FMCH002 generally act more slowly than synthetic chemicals, requiring a shift in strategy towards long-term preventive management.

Regulatory

Status in the European Union

Pending

Category (EU)
FU - Fungicide

EU status is for reference only and does not replace national registration in your country.