Isoprothiolane

Pure product is white crystal. m.p.54～55℃, b.p.167～169℃/66.66Pa, relative density 1.044, vapor pressure 1.866×10-2Pa (25℃).

This product is a systemic fungicide, with special effect on rice neck plague, the control effect of rice leaf plague is also higher than that of rice plague net, rice seedling plague and tuberculosis are also effective. It can also be used on a large area to control rice fly.

Isoprothiolane, a systemic fungicide, is widely used in agriculture to control fungal diseases in crops, particularly rice. It belongs to the dithiolane group and is known for its dual action: protecting plants from fungal infections and promoting growth. Its unique chemical structure enables long-lasting efficacy and effective disease management.

Key Features

1. Broad-Spectrum Activity: Effective against various fungal pathogens, especially rice blast (Pyricularia oryzae).

2. Systemic Action: Penetrates plant tissues and provides internal protection.

3. Growth-Promoting Effects: Enhances crop vigor and yield.

4. Long-Lasting Protection: Offers extended control due to its systemic nature.

Applications

Target Diseases

• Rice blast

• Sheath blight

• Stem rot

• Other fungal diseases in rice and cereals

Usage Areas

• Cereal Crops: Primarily used in rice cultivation.

• Other Crops: Occasionally applied to fruits, vegetables, and ornamental plants for fungal control.

Application Methods

• Foliar Spray: Directly applied to plant leaves for disease prevention and control.

• Seed Treatment: Protects seedlings from early-stage fungal infections.

Mode of Action

Isoprothiolane inhibits the synthesis of fungal cell membranes, disrupting their growth and reproduction. Its systemic properties allow it to move within plant tissues, providing protection to both treated and untreated parts.

Advantages

1. Dual Functionality: Combines fungicidal activity with growth-promoting benefits.

2. Systemic Protection: Safeguards the entire plant, including new growth.

3. Reduced Residue Concerns: Degrades relatively quickly, minimizing residue levels.

4. Resistance Management: Effective in rotation programs to delay resistance development.

Safety and Environmental Considerations

Handling and Storage

• Wear appropriate protective gear during handling and application.

• Store in a cool, dry place, away from direct sunlight and incompatible substances.

Environmental Impact

• Aquatic Toxicity: Harmful to fish and aquatic organisms; avoid contamination of water sources.

• Non-Target Risks: Generally safe for beneficial insects when used as directed.

Human Health Risks

• Low acute toxicity, but prolonged exposure may cause irritation.

• Follow label instructions to minimize risks to applicators and bystanders.

Limitations

1. Specificity to Rice: Primarily used for rice diseases, limiting its application scope.

2. Resistance Risk: Overuse can lead to resistance in fungal populations.

3. Environmental Concerns: Requires careful management to prevent water contamination.

Conclusion

Isoprothiolane is a reliable and versatile fungicide for managing fungal diseases in rice cultivation. Its systemic action and growth-promoting properties make it an essential tool for improving crop health and yield. Responsible use, coupled with adherence to safety guidelines, ensures effective disease control while minimizing environmental and health risks.