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The effect of rearing method and cool temperature acclimation on the cold tolerance of Heterorhabditis Zealandica infective juveniles (Nematoda: heterorhabditidae).

Author(s) : SURREY M. R.

Type of article: Article

Summary

Infective juvenile entomopathogenic nematodes were treated to a range of sub-zero temperatures (-3 to -28.5 deg C). These nematodes survived minimum temperatures of -3 to -11 deg C at or near the survival level of the controls (about 90 to 100% survival). Infective juvenile mortality increased progressively in treatments from -18 to -28 deg C minimum temperature. The culture method had a significant effect on survival of sub-zero temperatures. The S50 values (temperatures at which 50% of Infective juvenile survived) showed that prior acclimation to cool temperature had a significant detrimental effect on nematode freezing survival.

Details

  • Original title: The effect of rearing method and cool temperature acclimation on the cold tolerance of Heterorhabditis Zealandica infective juveniles (Nematoda: heterorhabditidae).
  • Record ID : 1997-3040
  • Languages: English
  • Source: Cryo-Letters - vol. 17 - n. 5
  • Publication date: 1996/09
  • Document available for consultation in the library of the IIR headquarters only.

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