International Journal of Industrial Entomology and Biomaterials

Korean Society of Sericultural Science (한국잠사학회)
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Evaluation of Different Bed Disinfectants against the Spread of Common Diseases in Silkworm, Bombyx mori L.

  • Irfan Illahi (Central Sericultural Research and Training Institute) ;
  • S. D. Sharma (Central Sericultural Research and Training Institute) ;
  • K. Chrasekharan (Central Sericultural Research and Training Institute) ;
  • B. Nataraju (Central Sericultural Research and Training Institute) ;
  • M. Balavenkatasubbaiah (Central Sericultural Research and Training Institute) ;
  • T. Selvakumar (Central Sericultural Research and Training Institute) ;
  • V. Thiagarajan (Central Sericultural Research and Training Institute) ;
  • S. B. Dandin (Central Sericultural Research and Training Institute)
  • Published : 2003.06.01
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Abstract

Silkworm body and rearing seat disinfection is an integral part of effective silkworm rearing as it prevents the spread of various diseases through secondary contamination in the rearing bed. Many bed disinfectants are recommended by various research institutes in India. In the present study, eight bed disinfectants viz., Vijetha, Labex, Resham Jyothi, Sanjeevini, Suraksha, Reshamkeet Oushadh, Dithane M45 and Captan recommended by various Sericultural Research Institutions in the country against the spread of common diseases of silkworm were tested to determine their comparative efficacy. For the study, all the treatment batches were introduced with fixed number of specific diseased larvae so as to maintain a constant source of pathogen in the bed and then followed by treatment with respective bed disinfectants. Percent mortality/infection due to each disease was recorded to determine efficacy of bed disinfectant treatment against respective disease. The results show that all the bed disinfectants tested have considerable efficacy against the spread of various diseases in the rearing bed. However, Vijetha was distinctly superior in its efficacy against all four major diseases of silkworm. The study emphasize the role of bed disinfectants in silkworm rearing and the fact that they should be judiciously selected based on the efficacy of the bed disinfectant and the type of disease prevalent in a particular season and area.

Keywords

References

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