SylbV01-00-00. pmd

BLOCK 2: Commercially exploited non-mulberry silks
Unit 1:
Scope, importance and their distribution in the world
Scope, importance, distribution in the country and World of Eri,
Tropical Tasar, Temperate Tasar and Muga silks and their primary
and secondary host plants.
Unit 2:
Rearing of Eri silkworm
Host plant distribution and their classification, agronomic practices
and their protection, grainage techniques, rearing of eri using improved
techniques and crop protection.
Unit 3:
Rearing of Tasar (tropical/ temperate)
Host plant distribution and their classification, agronomic practices
and their protection, grainage techniques, rearing of tropical/ temperate
tasar using improved techniques and crop protection.
Unit 4:
Rearing of Muga silkworms
Host plant distribution and their classification, agronomic practices
and their protection, grainage techniques, rearing of muga silkworms
using improved techniques and crop protection.
Unit 5:
Economics of non-mulberry silkworm rearing
Economics of non-mulberry silkworm rearing, viz.,
 
eri, tasar and muga
silkworm rearing and their cost benefit ratio.

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Restructured and Revised Syllabi of Post-graduate Programmes
Vol. 1
750
VII. Practicals
• Study of primary and secondary host plants of eri silkworm;
• Study of primary and secondary host plants of tasar silkworm;
• Study of primary and secondary host plants of muga silkworm;
• Cultivation of popular castor genotypes for eri silkworm rearing;
• Preparation of rearing house for eri silkworm rearing;
• Rearing of eri silkworm on different castor genotypes;
• Calculation of consumption indices in eri silkworm using leaves of different castor
genotypes;
• Collection and dry preservation of different primary and secondary host plants of
non-mulberry silkworms;
• Preparation of disease free layings of eri silkworm;
• Morphology of eggs and larvae of eri silkworm;
• Morphology of pupa and moth of eri silkworm;
• Morphology of eggs and larvae of tasar and muga silkworms;
• Morphology of pupa and moth of tasar and muga silkworms;
• Effect of different mating durations on fecundity and fertility of eri silk moths;
• Study of different natural enemies of eri silkworm;
• Study of different diseases of eri silkworm;
• Practising of tasar egg production;
• Economics of eri silkworm rearing;
• Visit to Eri Silkworm Seed Production Centre, CSGRC Hosur, CSB.