Seed Treatment :: Methods

POLYMER COATING

What is?

It is the process of coating the seeds with polymers of different colours along with nutrients and plant protectants to increase the aesthetic values of the seed with required benefits.

Methodology

  • Coat the seeds with polykote (3 g + 5ml water / kg) after proper dilution
  • Mix fungicide (Carbendazim 2g) and pesticide (Imidachloprid 2 ml / Kg) with the polykote to increase the resistance to the pest and diseases.
  • Shade the seed before using / storing
                                   
              
    Seed cote                                   Polymer Coated Seeds

Recommendations

Crop

Treatment details

Colour of polymer Dose of polymer (g/kg) Volume of water (ml)
Paddy Yellow 3 3
Maize Pink 3 5
Sorghum Pink 3 5
Cumbu Pink 3 5
Soybean Yellow 4 5
Sunflower Black 4 5
Tomato Red 6 20
Bhendi Green 5 5

Benefits

  • Polykote gives uniform colour and shape to the seeds and also increases5 to 10 percent of germination % and vigour index.
  • Improved seedling emergence and vigour.
  • Protection against pest and disease during storage.
  • Free from environment pollution
  • Avoid wastage of seed treating chemicals.
  • Polykote can be used for all agricultural and horticultural crops.           

For Information

Professor and Head,
Department of Seed Science and Technology,
TNAU, Coimbatore-641 003.
Phone No: Phone: 0422-6611363.
E-mail: seedunit@tnau.ac.in

Updated : Dec, 2014

 

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