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Ethylene-, light-, and prechill-enhanced germination of Echinacea angustifolia seeds.

Author(s) : FEGHAHATI S. M. J., REESE R. N.

Type of article: Article

Summary

Echinacea angustifolia DC, the common coneflower of the western Great Plains, is difficult to propagate by achenes due to inherent seed dormancy. The effects of light and prechilling on seed germination were examined, alone and combined with scarification (mechanical, acid) and ethylene (ethephon) treatments. The results showed that a 2-week prechill treatment combined with ethephon and continuous light, followed by a 2-week germination period in light (16 hours per day) at 25 deg C, could induce more than 95% seed germination in E. angustifolia.

Details

  • Original title: Ethylene-, light-, and prechill-enhanced germination of Echinacea angustifolia seeds.
  • Record ID : 1995-2275
  • Languages: English
  • Source: J. am. Soc. hortic. Sci. - vol. 119 - n. 4
  • Publication date: 1994/07
  • Document available for consultation in the library of the IIR headquarters only.

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