Product Name: Fenpropidin

Product Name: Fenpropidin
Chemical Name: 1-(4-tert-butylphenyl)-4,4-dimethylpent-3-yn-2-ol
Chemical Group: Piperidine Fungicide
Function: Protective Contact Fungicide
CAS Number: 68515-73-1
Formulations Available: 50% WP (Wettable Powder), 25% SC (Suspension Concentrate), others on request

Product Description:

Fenpropidin is a highly effective protective contact fungicide belonging to the piperidine chemical family. It is designed to provide preventive control of fungal diseases, particularly those caused by oomycete pathogens such as downy mildew and other related fungi.

Unlike systemic fungicides, Fenpropidin forms a protective barrier on the plant surface that prevents fungal spores from germinating and penetrating plant tissues. Its durable film protects crops during vulnerable growth stages, reducing disease incidence and supporting healthy crop development.

Fenpropidin is widely used in a variety of crops, including vegetables, fruits, and ornamentals, where it is valued for its excellent safety profile and efficacy against diseases that threaten crop yield and quality.

Key Features & Benefits:

• ✅ Protective, contact fungicide with strong anti-oomycete activity

• ✅ Prevents spore germination and fungal penetration

• ✅ Highly effective against downy mildew and related diseases

• ✅ Long-lasting residual protection on foliage and fruit surfaces

• ✅ Low toxicity and excellent crop safety across multiple crops

• ✅ Compatible with various fungicides and insecticides for tank mixing

• ✅ Supports integrated disease management (IDM) and resistance management strategies

Target Crops:

• Grapes

• Cucurbits (cucumber, melon, squash)

• Tomatoes

• Leafy vegetables

• Ornamentals and floriculture crops

Target Diseases:

• Downy mildew (Plasmopara viticola, Peronospora spp.)

• Other oomycete diseases such as Pseudoperonospora and Phytophthora spp.

• Early blight and other fungal infections where used in combination

Mode of Action:

Fenpropidin acts by forming a protective film on the plant surface that prevents fungal spores from germinating and penetrating plant tissues. As a contact fungicide, it does not move systemically but provides a physical and chemical barrier that protects crops from infection.

This mode of action makes Fenpropidin particularly useful in rotation and tank-mix programs to reduce resistance development in pathogen populations.

Application Guidelines:

• Application Method: Foliar spray with adequate coverage to all plant surfaces

• Timing: Apply preventively before disease onset or when conditions favor disease development

• Recommended Dosage:

  • Generally, 200–300 g per hectare, depending on crop and disease pressure

• Spray Volume: 400–800 L/ha for thorough coverage

• Reapplication Interval: Typically 7–10 days, adjusted for weather and disease risk

• Pre-Harvest Interval (PHI): Usually 7–14 days depending on crop and local regulations

Formulations & Packaging:

• Available Formulations:

  • 50% WP (Wettable Powder)

  • 25% SC (Suspension Concentrate)

• Packaging Options:

  • 100 g, 250 g, 500 g packs for small scale use

  • Bulk packaging for commercial growers and distributors

Storage & Handling:

• Store in a cool, dry place away from direct sunlight and moisture

• Keep containers tightly sealed and out of reach of children and animals

• Use appropriate personal protective equipment (PPE) during handling and application

• Avoid contamination of water sources and dispose of empty containers responsibly

Shelf Life:

• 2 years when stored in original packaging under recommended conditions

Environmental and Safety Considerations:

• Low mammalian toxicity when used as directed

• Minimal impact on beneficial insects and non-target organisms

• Important to adhere to recommended application rates and follow local regulations to avoid environmental contamination

Conclusion:

Fenpropidin is a trusted, highly effective protective fungicide ideal for managing downy mildew and related oomycete diseases across a wide range of crops. Its excellent crop safety and compatibility make it a valuable tool for growers committed to sustainable and effective disease management.

Fenpropidin – Reliable Protective Fungicide for Superior Crop Health and Disease Control.
Protect Early. Protect Effectively. Protect Every Season.

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