Basic Tasar Silkworm Seed Organisation, Central Silk Board,
Bilaspur (C.G.)

Production Process
Host Plant Maintenance
  • Exclusive chawki garden for young age rearing under nylon net.
  • Application of rogar (0.09%) and chemical fertilizers (@ 34 grams nitrogen, 46 grams phosphorus and 12 grams potash) in chawki garden.
  • Application of organic manure @ 1.5 kg per plant and chemical fertilizers @ 100:50:50 NPK kgs/hac./year in two split doses.
  • Spraying of 1.5% Urea solution on foliage of natural plantation to improve quality of leaf.
  • Adoption of rain water harvesting and in situ conservation system to improve plant growth and yield.

Silkworm Rearing
  • Maintenance of crop schedule.
  • Proper disinfection of rearing field with the recommended package of practices.
  • Rearing of young age larvae on succulent leaves of food plants and protection of young age larvae from various hazards like pest/predators and strong rain and wind etc. by rearing under net.
  • Proper transfer of chawki and late age worms.
  • Proper care during moult and spinning.
  • Management of silkworm diseases through body disinfection with Lime and Bleaching powder (97:3) dusting & Lime and Bleaching powder (9:1) in the rearing field and spraying of hypochlorite and Jeevan Sudha .
  • Proper care while transportation of seed cocoons from field to grainage house.

Seed Production
  • Procurement of seed cocoons from departmental rearings and adopted rearers as per quality standers.
  • Proper disinfection of grainage building with recommended disinfectants.
  • Proper care during preservation period.
  • Maintenance of temperature and humidity during preservation period.
  • Mother moth examination during grainage period to prepare disease free layings (dfls).
  • Egg collection, washing and surface sterilization to ensure quality dfls.
  • Egg drying, storing and packing.
  • Egg transportation using transportation basket during cool hours of the day.