Action Plan - Central Silk Board

• Among eight castor accessions, Accession No. Acc03 and Acc04 were found to be
better in growth and yield attributing traits, and rearing performances of eri
silkworm.
• Application of 20-hydroxy ecdysone on fifth instar larvae was found improving
vitellogenin synthesis (40-70%), egg formation (40-60%), ovarian development and
protein synthesis in the haemolymph of larvae, retention of less eggs in abdomen
(12-15), fecundity (50-59%) reduction of egg laying period (3 days) and overall
rearing performance.
• Effect of preservation of muga seed cocoons on fecundity and hatching showed that
seed cocoons can be preserved up to 62 days during Jarua crop and 42 days
during Aherua crop without affecting fecundity and hatching.
• A new Eri hybrid i.e. C2 was developed and multi-locational trails were conducted in
different.
• A chemical formulation “MUGA SILKPLUS”, with a raw silk recovery ranging from
40-45% to 50-55%, for cooking and reeling of muga cocoon has been developed.
Extension programme
• 85 extension programmes including Krishimela, field days, Exhibitions, group
demonstrations and technology awareness were organized at various nested units
of the institute in north eastern region.
Decisions
Take up the large scale trials of the phyto-ecdysone, fine tune the same if required
for further popularization in the field.
Study the scale of absorption of technologies demonstrated in the field.
Give top priority to Disease Management.
The Institute has not come out with any breakthrough during the recent past and
especially during the previous two years. The Director, CMERTI, Lahdoigarh
should ensure that a robust hybrid is evolved at the earliest.
CSTRI, Bangalore
• Solar heating system for multiend reeling unit was installed at Sidlaghatta on
experimental basis.
• Ushma Shoshak unit has been designed, fabricated & installed on the boiler.
• Drape co-efficient studies revealed that Indian multivoltine have better drape
characteristics, which is a desirable quality for sarees and dress materials.
• Trials were taken to standardize the sizing recipe with different concentration of
PVA.
• Fabrics with different geometrical particulars were produced and treated with BTCA
cross-linking agent. Treatment with BTCA shrinkage was drastically reduced from
3.16 % to 0.55% for warp and 2.33% to 0.66% for weft.
• Development of automation system retrofitting to CSTRI multi-end reeling machine
has been completed. The performance of the auto-casting unit developed was fine
tuned to the individual parts with the help of software and working performance was
improved to get the optimum services.
• Production of superior quality wet reeled tasar yarn and sizing by using reeled
permeation chamber technique has been standardized.
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