Unit 1………………………………………………………………………………………….7
Introduction
1.1 Sericulture: Definition, history, present Status
1.2 Scope of sericulture
1.3 Silk producing centers
1.4 Taxonomic position
1.5 Types of silkworms and their Distribution (Muga, Eri, Tussar, Mulberry)
Unit 2………………………………………………………………………………………..15
Biology of Silkworm
2.1 Life cycle of Bombyx mori w. r. t. external and internal morphology of
Egg, larva, Pupa, adult
2.2 Structure and function of silk gland and secretion of silk
Unit 3………………………………………………………………………………………..32
Sericulture
3.1 Harvesting of mulberry:
a) Shoot Cutting b) Leaf plucking and c) Bud plucking.
3.2 Advantages and disadvantages of shoot rearing
3.3 Sericulture: Rearing house and Rearing Techniques.
Rearing Appliances: a) Rearing stand, b) Ant wells, c) Rearing trays, d)
Paraffin paper, e) Foam rubber strip, f) Chopsticks, g) Feathers, h) Leaf
chamber, i) Chopping board, j) Chopping knives, k) Mats, l) Cleaning
nets, m) Mountages, n) Feeding tray and o) Miscellaneous appliances
Unit 4………………………………………………………………………………………..46
Important Diseases and Pests
4.1 Protozon disease: Pebrine
4.2 Viral disease: Nuclear Polyhedrosis Virus (NPV)
4.3 Fungal disease: Muscardine – White, green, yellow
4.4 Pests of silkworm: Uzi flies, dermestid beetles, ants and vertebrates
4.5 Prevention and control of diseases and pests
Reference…………………………………………………………………………………………56