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Seed cryopreservation and longevity of two Salix hybrids.

Author(s) : WOOD C. B., PRITCHARD H. W., LINDEGAARD K.

Type of article: Article

Summary

The effects of desiccation and storage temperature on the viability and longevity of willow seeds was investigated using two hybrids, Salix rehderiana x (Salix x capreola) [cross 458] and Salix x sericans x Salix viminalis [cross 512]. Freshly harvested seeds of both crosses survived silica gel drying down to 3 to 5% moisture content. Hybrid 458 seeds stored in liquid nitrogen for 3 d retained viability when equilibrated to no higher than 45% relative humidity (RH) (pre-storage), showed slightly reduced survival at 65% RH and exhibited no survival at 82% RH. The level of survival after 68 d for seeds pre-equilibrated to either 10 or 65% RH and stored at four temperatures was -196 °C > -20 °C > 2 °C > 16 °C.

Details

  • Original title: Seed cryopreservation and longevity of two Salix hybrids.
  • Record ID : 2003-3038
  • Languages: English
  • Source: CryoLetters - vol. 24 - n. 1
  • Publication date: 2003/01
  • Document available for consultation in the library of the IIR headquarters only.

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