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Cold-hardiness and supercooling capacity in diapausing and nondiapausing stages of the cabbage root fly Delia radicum.

Author(s) : KOSTAL V.

Type of article: Article

Summary

Supercooling point values and cold-hardiness were measured in individual ontogenetic stages of Delia radicum in various physiological states (winter diapause, summer quiescence, and normal development). Winter diapause-destined mature third-instar larvae had a lower supercooling point (-9.9 deg C) than their nondiapause counterparts (-5.2 deg C), and more of them survived exposure to -10 deg C for 5 hours to pupariation and adult emergence. Values of supercooling point were equal in both diapause and nondiapause states of prepupal and pupal stages.

Details

  • Original title: Cold-hardiness and supercooling capacity in diapausing and nondiapausing stages of the cabbage root fly Delia radicum.
  • Record ID : 1994-1855
  • Languages: English
  • Source: Cryobiology - vol. 30 - n. 5
  • Publication date: 1993/10

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