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Scientia Silvae Sinicae ›› 1996, Vol. 32 ›› Issue (6): 516-521.

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CONSERVATION OF Bacillus thuringiensis CULTURE

Lianyun Dai   

  1. The Research Institute of Forest protection CAF Beijing 100091
  • Received:1995-11-07 Online:1996-11-25 Published:1996-11-25

Abstract:

61 strains of Bacillus thuringiensis belonging to 31 subspecies, preserved by two methods of sterie sand and filter paper for 1 - 23 years were tested. Their survival, morphological characteristics, toxicity against insects (Lymantria dispar) were measured. Physiological and biochemical characteristics and estarases of 5 subspecies of Bacillus thuringiensis preserved from 1979 to 1992 were determined.

Key words: Bacillus thuringiensis, Conservation, Bioassay