Fluazinam

Appearance yellow cry stal. m.p. 115-117℃ , relative density 1.757(20℃ ), vapor pressure 1.47×10-3Pa(25℃ ). solubility in organic solvent at 25℃ : ethyl acetate 680g/L, acetone 470g/L, toluene 410g/L, methylene chloride 3390g/L, ethanol 120g/L, cyclohexane 14g/L, n-hexane 12g/L, 1,2-propanediol 8.6g/L; solubility in water: 0.1mg/L(pH=5.0), 1.7mg/L, 1,2-propanediol 8.6g/L. Hexane 12g/L,1,2-propanediol 8.6g/L; solubility in water: 0.1mg/L (pH=5.0), 1.7mg/L (pH=6.8), >1000mg/L (pH=11). Stable to acid, alkali and heat, unstable to light.

It is very eff ective for Alternaria, Grapevia, Phytophthora, Uniaxycium, Sclerotinia and Blackstar

Fluazinam is a broad-spectrum, contact fungicide widely used in agriculture to control a variety of fungal diseases. It belongs to the pyridinamine chemical group and is known for its protective and residual activity.

Key Features

1. Chemical Group: Pyridinamine.

2. Mode of Action: Inhibits fungal spore germination and disrupts energy production in fungal cells.

3. Target Pathogens: Effective against multiple fungal diseases, including late blight, gray mold, and leaf spots.

4. Formulations: Commonly available as suspension concentrates (SC) and wettable powders (WP).

Applications

Crops

• Vegetables: Potatoes, tomatoes, and cucumbers.

• Fruits: Grapes, apples, and berries.

• Ornamentals: Roses and other flowering plants.

Target Diseases

• Late blight (Phytophthora infestans).

• Gray mold (Botrytis cinerea).

• Alternaria leaf spots.

• Sclerotinia stem rot.

Mode of Action

Fluazinam acts on the fungal cells by:

1. Disrupting Spore Germination: Prevents the establishment of infection.

2. Interfering with Energy Production: Inhibits oxidative phosphorylation, leading to fungal cell death.

3. Contact Activity: Provides a protective barrier on plant surfaces, preventing fungal invasion.

Advantages

1. Broad-Spectrum Control: Effective against a wide range of fungal diseases.

2. Protective and Residual Action: Offers long-lasting protection when applied preventively.

3. Resistance Management: Low risk of resistance due to its multi-site mode of action.

4. Crop Safety: Suitable for use on a variety of crops with minimal phytotoxicity.

Usage Guidelines

1. Application Timing: Apply preventively before disease symptoms appear.

2. Dosage: Follow label recommendations for specific crops and diseases.

3. Compatibility: Compatible with most pesticides; conduct a jar test before mixing.

Safety and Environmental Considerations

Handling and Storage

• Protective Measures: Use gloves, goggles, and protective clothing during application.

• Storage: Keep in a cool, dry place away from food and water sources.

Environmental Impact

• Aquatic Toxicity: Toxic to fish and aquatic organisms; avoid runoff into water bodies.

• Soil Persistence: Degrades over time, minimizing long-term environmental effects.

Human Health Risks

• Toxicity: Low toxicity to humans when used as directed.

• First Aid:

  • Skin Contact: Wash with soap and water.

  • Eye Contact: Rinse with clean water for 15 minutes.

  • Inhalation: Move to fresh air and seek medical attention if necessary.

  
  

Limitations

1. Contact Action Only: Requires thorough coverage for effective control.

2. Rainfastness: May require reapplication after heavy rainfall.

3. Application Timing: Best used preventively for optimal results.

Conclusion

Fluazinam is a reliable fungicide for managing a broad spectrum of fungal diseases in various crops. Its protective action, low resistance risk, and crop safety make it an essential tool in integrated disease management programs. Proper application and adherence to safety guidelines ensure effective disease control and environmental sustainability.