Thidiazuron

The pure product is a white, odorless, tasteless crystalline solid. The melting point is 217 ° C (decomposition). Solubility at 25° C (g/L): dimethyl sulfoxide>500, dimethylformamide>500, cyclohexanone 21.5, acetone 8, methanol 4.5, ethyl acetate 0.8, hexane 6, insoluble Aliphatic and aromatic hydrocarbons, the solubility in water is 31mg/L.

Urea plant growth regulators are mainly used as cotton defoliants, and can also be used in apple trees, vines, kidney beans, soybeans, peanuts and other crops. It can also be used to control weeds such as barnyardgrass, bermudagrass, crabgrass, kanmai, creeping wheatgrass, and pig's worm.

Definition:

Thidiazuron is a synthetic plant growth regulator (PGR) that is commonly used in agricultural practices. It is particularly known for its ability to promote cell division and elongation, making it useful in various horticultural and agricultural applications.

Mechanism of Action:

Thidiazuron works by interfering with the plant's cytokinin metabolism. Cytokinins are plant hormones that regulate cell division and growth. By mimicking the action of cytokinins, TDZ stimulates cell division and promotes shoot proliferation, making it effective in promoting growth in certain crops.

Applications:

1. Agriculture and Horticulture:
   Thidiazuron is primarily used as a growth regulator in crops. It is applied to improve the yield, quality, and growth rate of plants, particularly in:

   • Cotton: TDZ is used to enhance cotton yield and improve fiber quality.

   • Fruit Trees: It can be used to stimulate bud break and fruit setting in various fruit trees.

   • Tissue Culture: Thidiazuron is commonly used in plant tissue culture to induce shoot formation and multiplication, particularly in woody plants and orchids.

2. Rooting and Propagation:
   In plant propagation, TDZ is used to enhance rooting in cuttings, promoting faster and more robust root development.

Benefits and Effects:

• Enhanced Growth: TDZ can increase plant growth rates, leading to higher yields and better-quality crops.

• Improved Rooting: It is used in tissue culture to stimulate root formation in plant cuttings.

• Increased Flowering and Fruit Setting: TDZ can promote flowering and fruit set in some fruit crops, improving harvest outcomes.

Safety and Environmental Impact:

• Toxicity: Thidiazuron is generally considered to have low toxicity to humans and animals when used as directed. However, it should be handled with care, and proper safety precautions should be followed during application.

• Environmental Impact: As with all chemical PGRs, TDZ should be used responsibly to minimize environmental impact. It is important to follow recommended usage rates and avoid over-application to prevent potential negative effects on surrounding ecosystems.

Handling and Storage:

• Storage Conditions:
  Thidiazuron should be stored in a cool, dry place, away from direct sunlight and sources of heat. It should be kept in tightly sealed containers to prevent contamination or degradation.

• Safety Precautions:

  • Wear appropriate protective equipment, such as gloves and goggles, when handling TDZ.

  • Avoid inhalation or skin contact with the substance.

  • Keep out of reach of children and animals.

Conclusion:

Thidiazuron is a valuable tool in agriculture, particularly for promoting plant growth, improving yields, and aiding in plant propagation. Its application in cotton production, fruit tree management, and tissue culture makes it an essential growth regulator for modern agricultural practices. Proper handling and adherence to safety guidelines are crucial to ensure its effective and responsible use.