Technologies Developed
(i) Technologies for Tropical Tasar
Technologies for Host plants
- Nursery technique for raising Terminalia arjuna and T. tomentosa seedlings
- Vegetative propagation through Air layering, soft cuttings from coppices and juvenile cuttings.
- Integrated package for raising and maintenance of host plants as Economic plantation.
- Integrated nutrient management through organic manures, chemical fertilizers, green manuring, micro- and secondary nutrients.
- Foliar application of Urea, as cheapest method of boosting leaf production.
- Utilization of farm refuse through composting and vermicomposting.
- Integrated weed management practices.
- Integrated farming system for effective land utilization
- Eco-friendly package for control of leaf gall insect – a pest of tasar food plants through botanicals and bio-control agents.
Technologies for Silkworm culture
- Commercialization of three wild tasar ecoraces (Daba TV, Daba BV, Sukinda BV).
- Model for in-situ conservation of ecoraces.
- Technology for loose and white egg production.
- Outdoor preservation of cocoons in moderate climate for synchronized emergence in shorter span with lower disease incidence.
- Integrated Silkworm seed production technology.
- Development of several Egg laying devices.
- Nylon-net for enhancing coupling efficiency in tasar silkworm.
- Egg incubation system.
- Package for Chawki (young age) silkworm rearing.
- Integrated Package of late age silkworm rearing.
- Indoor silkworm rearing technology.
- Sodium hypochlorite as foliar application to check virosis and bacteriosis.
- Tasar Keet Oushad against silkworm diseases.
- Management of Virosis through botanical formulation.
- Management of Virosis through Vaccine.
- IPM against Uzifly.
- Tasar Rakshak: A biological control of tasar silkworm diseases.
Technologies for Reeling & Spinning
- Cocoon cooking by enzyme, hydrogen peroxide and papaya extract.
- Improved reeling charkha and reeling machine.
- Pedal-cum-motorised tasar reeling- cum-twisting machine for reeling of pierced Tasar cocoons.
- Dry and Wet reeling processes.
- Vegetable and Lac based dyeing of tasar fabrics.
- Reeling of core spun and fancy yarn to reduce cost.
- Waste reeling – use of peduncles.
- Cocoonase reeling.
Technologies for Temperate Tasar
- Development of inter-specific silkworm hybrid and breeds.
- Voltinism regulation through thermo-photo periodic and altitudinal deviations.
- Indoor chawki rearing technique.
- Indoor rearing of silkworm.
- Outdoor rearing technique for late age silkworm.
- Silkworm disease management.
- Crop regulation by development of rearing schedules incorporating different altitudes.
- Raising of host plant seedlings and maintenance of plantation.
- Technology for maintenance of cocoon quality and fecundity.
Useful and beneficial products developed by CTR&TI, Ranchi
- Flame gun device for disinfection of field and grainage.
- Nylon bag for oviposition and brushing of worms.
- Egg drying tray.
- Cooling incubator for egg incubation in summer.
- Egg transportation basket.
- Nylon net for silkworm rearing and pest control.
- Motorized tasar reeling cum twisting machine.
- Collapsible spinning mountage in indoor rearing.
- CTRS Path for pebrine disease control.
- Keet Oushadh for disease control.
- Tasar Rakshak for diseasae control.
- Twin Charkha.
- Cocoonase enzyme isolated from pupa for cooking of cocoons.
- Core spun yarn for product diversification and low cost.
- Pierced cocoon reeling technique.
- Pupa oil and pupa protein.
- Attenuated AmCPV culture against virosis.
- Jeevan Suraksha, botanical formulation for prevention of Tasar silkworm diseases.
- Jeevan Dhara, botanical formulation for Tasar silkworm protection from Virosis.
- Semi-synthetic diet for young age silkworm rearing.
- New Drug formulation for the control of Pebrine.