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Serichlor, A New Disinfectant in Indian Sericulture

Balavenkatasubbaiah M.    (Central Sericultural Research and Training Institute   ); Nataraju B.    (Central Sericultural Research and Training Institute   ); Sharma S.D.    (Central Sericultural Research and Training Institute   ); Selvakumar T.    (Central Sericultural Research and Training Institute   ); Chandrasekharan K.    (Central Sericultural Research and Training Institute   ); Rao P. Sudhakara    (Central Sericultural Research and Training Institute  );
  • 초록

    Silkworm diseases are better prevented than cured. Disinfection and hygiene are the two important aspects in silkworm rearing to prevent the diseases. Suitable disinfectant is the primary need to disinfect the rearing house, its surroundings and appliances to eliminate the persistent pathogens from the rearing environment. In this direction, Serichlor, a new disinfectant in Indian Sericulture marketed as Serichlor-60 (contains 60,000 ppm of chlorine dioxide) and Serichlor-20 (contains 20,000 ppm of chlorine dioxide) has been evaluated for its germicidal effect against the pathogens of silkworm, viz., spores of Nosema bombycis, Bacillus thuringiensis, polyhedra of BmNPV and conidia of Beauveria bassiana both in vitro and in vivo. Results indicated that high concentration (2,500 ppm of chlorine dioxide) is required to kill all the pathogens at 100% level. The efficacy of the Serichlor was greatly enhanced by the addition of 0.5% slaked lime solution. 500 ppm of chlorine dioxide in 0.5% slaked lime solution was found effective against all the pathogens tested. This concentration of disinfectant was also found effective for disinfection of rearing house, rearing appliances and silkworm egg surface. The disinfectant is stable, non hazardous, least corrosive and most suitable for Indian Sericulture.


  • 주제어

    Serichlor-60 .   Serichlor-20 .   Chlorine dioxide .   Disinfectant .   Silkworm .   Bombyx mori L.   .   Pathogens.  

  • 참고문헌 (11)

    1. Balavenkatasubbaiah, M., B. Nataraju and R. K. Datta (1996) Chlorine dioxide and virkon-S as disinfectants against pathogens of silkwonn, Bombyx mori L. Indian J. Seric. 35, 50-53 
    2. Ingols, R. S. and G. M. Ridenour (1948) Chemical properties of chlorine dioxide in water treatment. J. Am. Water works Assoc. 40, 1207-1227 
    3. Kobayashi, H., F. Sato and Ayuzawa (1968) On the disinfecting ability of the mixture of bleaching powder and formalin. J. Seric. Sci. Jpn 37, 311-318 
    4. Kagawa, T. (1980) The efficacy of formalin as disinfectant of Nosema bombycis spores. J. Seric. Sci. Jpn 49, 218-222 
    5. Iwashita, Y. and C. Q. Zhou (1988) Inactivation by the treatment of a nuclear polyhedrosis virus of the silkwonn, Bombyx mori with calcium hydroxide solution. J. Seric. Sci. Jpn 57, 511-518 
    6. Balavenkatasubbaiah, M., K. V. V. Ananthalakshmi, T. Selvakumar, B. Nata-raju and R. K. Datta (1999) Chlorine dioxide, a new disinfectant in sericulture. Indian J. Seric. 38, 25-130 
    7. Kawakami, K. (1970) Fungicidal activity of the iodine disinfectant. Sanshi-Kenkya. 76, 63-64 
    8. Balavenkatasubbaiah, M., R. K. Datta, M. Baig, B. Nataraju and M. N. S. Iyengar (1994a) Efficacy of bleaching powder against the pathogens of silkwonn, Bombyx mori L. Indian J. Seric. 33, 23-26 
    9. Balavenkatasubbaiah, M., B. Nataraju, M. Baig and R. K. Datta (1994b) Comparative efficacy of different disinfectants against nuclear polyhedrosis virus (BmNPV) and Beauveria bassiana of silkwonn, Bombyx mori L. Indian J. Seric. 33, 142-143 
    10. Venkata Reddy, S., B. D. Singh, M. Baig, K. Sengupta, K. Giridhara and B. K. Singhal (1990) Efficacy of asiphor as a disinfectant against incidence of diseases of silkworm, Bombyx mori L. Indian J. Seric. 29, 147-148 
    11. Noss, C. I. and U. P. Olivieri (1985) Disinfecting capabilities of oxychlorine compounds. Appl. Environ. Microbiol. 50, 1162-1164 

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