SylbV01-00-00. pmd

Unit 3:
Pesticide toxicity
Poisoning by agricultural chemicals to silkworms, acute and chronic
symptoms of poisoning by different agricultural chemicals. Residual
toxicity of chemicals on mulberry and damage caused, prevention and
control.
VII. Practicals
• Sterilization techniques for isolation of silkworm pathogens;
• Isolation and purification of 
Bm
NPV;
• Isolation and purification of 
Bm
CPV;
• Isolation and purification of 
Bm
IFV and 
Bm
DNV;
• Isolation and purification of white muscardine fungus 
Beauveria bassiana 
from
silkworm 
Bombyx mori;
• Isolation and purification of brown muscardine fungus 
Aspergillus tamarii 
from
silkworm 
Bombyx mori;
• Isolation and purification of bacteria from the gut and haemolymph of silkworm
Bombyx mori;
• Study of life cycle, symptoms and diagnosis of 
Bm
NPV;
• Study of life cycle, symptoms and diagnosis of 
Bm
CPV;
• Study of life cycle, symptoms and diagnosis of 
Bm
IFV and 
Bm
DNV;
• Study of life cycle, symptoms and diagnosis of silkworm microsporidiosis;
• Study of life cycle, symptoms and diagnosis of white and green muscardines;
• Study of bacteria invading the digestive system and haemolymph;
• Study of bacterial toxicosis in mulberry silkworm;
• Intergrated management for prevention of silkworm diseases;
• Study of life-cycle of silkworm ujifly and its management;
• Study of life cycle and management of dermestid beetles;
• Visit to sericulture farmers fields.
VIII. Teaching Methods/ Activities
– Lectures

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Restructured and Revised Syllabi of Post-graduate Programmes
Vol. 1
744
– Assignments (Reading/ Writing)
– Text Books
– Student presentations
– Experimentation
– Group discussion
– Group work
– Laboratory exercises
– Scientific journals and periodicals