Commercial Floriculture

Dyeing or Colouring

• It is essential for good appearance.
  
• It is a determining factor in the pricing of the product.
  
• Dyeing also serves as a preservative. It enhances the natural look and texture of the product.

1. Dyeing by dusting

   • Chalk powder mixed with dye is applied on flower surface.
2. Colouring of products using dyestuff with water

   • 1-4 kg dye and 5-20 liters of water is put in a small bucket to form a paste.
   • This paste is added to steam boiling water tank (800 l). About 2 l acetic acid is also added to the tank.
   • The product to be coloured is then dipped into the boiling water until the required shade is achieved.
   • In case of fragile product, Magnesium chloride is also added.
   • After colouring, product is placed in the open to dry.
3. Colouring of product using dyestuffs with methanol
• Methanol is diluted to 50 to 150 liters by adding water.
• Dye paste is added to diluted methanol.
• Products are dipped in methanol solution and immediately taken out and dried for a few minutes.
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