Forchlorfenuron

The original drug (content above 85%) is white solid powder, m.p.168 ～ 174℃ . Soluble in acetone, ethanol, dimethyl sulfoxide, the solubility in water is 65mg/L.

Used as a plant growth regulator, it has cytokinin activity, can promote cell division, differentiation, organ formation, protein synthesis, and improve photosynthesis, etc.

Definition:

Forchlorfenuron (CPPU) is a synthetic plant growth regulator belonging to the urea family. It is widely used to promote cell division and elongation, resulting in enhanced fruit size, yield, and quality. It is particularly effective in grapes, kiwifruit, melons, and other fruits and vegetables.

Mechanism of Action:

Forchlorfenuron acts by stimulating cytokinin-like activity in plants. It enhances cell division and expansion in developing tissues, leading to increased fruit size and improved overall growth. By delaying senescence, it helps maintain fruit firmness and shelf life.

Applications:

1. Fruit Enlargement:
   CPPU is commonly applied to crops such as grapes, kiwifruit, and melons to promote larger and more uniform fruit sizes.

2. Yield Improvement:
   CPPU increases the number of fruits per plant and enhances the overall yield by stimulating growth at critical stages of development.

3. Shelf Life Extension:
   By delaying the aging process, CPPU helps maintain fruit firmness and quality during storage and transportation.

4. Crop-Specific Benefits:

   • Grapes: Enhances berry size and uniformity.

   • Kiwifruit: Promotes fruit enlargement and better weight.

   • Melons: Improves fruit size and sweetness.

5. Stress Resistance:
   CPPU helps plants withstand environmental stresses such as drought or high temperatures, indirectly improving crop resilience.

Benefits and Effects:

• Promotes Cell Division and Expansion:
  Increases fruit size and weight by stimulating cell division and elongation.

• Enhances Crop Yield:
  Boosts the number of fruits and their quality, leading to higher marketable yields.

• Improves Fruit Quality:
  Ensures uniform fruit size, better color, and firmness.

• Delays Senescence:
  Extends shelf life by maintaining fruit firmness and reducing spoilage.

• Versatile Application:
  Suitable for a wide range of fruits and vegetables.

Safety and Environmental Impact:

• Toxicity:
  Forchlorfenuron has low toxicity to humans and animals when used as directed. However, excessive exposure can cause mild skin or eye irritation.

• Environmental Impact:
  It is considered safe for the environment when applied at recommended rates. Overuse, however, can lead to residues in soil or water, so adherence to guidelines is essential.

Handling and Storage:

• Storage Conditions:
  Store in a cool, dry place, away from heat and direct sunlight. Keep in a tightly sealed container to prevent contamination.

• Safety Precautions:

  • Use personal protective equipment (gloves, goggles) when handling CPPU.

  • Avoid inhaling dust or spray mist.

  • Wash thoroughly after handling.

Conclusion:

Forchlorfenuron (CPPU) is a powerful plant growth regulator with broad applications in agriculture. Its ability to enhance fruit size, improve yield, and extend shelf life makes it a valuable tool for farmers and growers. Proper use ensures safe and effective results, supporting sustainable crop production and higher profitability.