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Germination of Corylopsis seeds evaluated by X-ray imaging and cold stratification

Author

Listed:
  • Ji Hee Kim

    (Department of Environmental Horticulture, Dankook University, Cheonan, Chungnam, Korea)

  • Kyung Ok Kim

    (Department of Environmental Horticulture, Dankook University, Cheonan, Chungnam, Korea)

  • Ae Kyung Lee

    (Department of Environmental Horticulture, Dankook University, Cheonan, Chungnam, Korea)

  • Mark S. Roh

    (US Department of Agriculture, Agricultural Research Service, Floral and Nursery Plants Research Unit, Beltsville, USA)

  • Jeung Keun Suh

    (Department of Environmental Horticulture, Dankook University, Cheonan, Chungnam, Korea)

Abstract

Effects of immersing seeds in water and X-ray imagining on germination of Corylopsis seed were investigated. Seeds that sank or floated were collected after immersing in water for 5 min, 4 h or 16 h, and germinated with or without 5°C cold stratification (CS). In C. coreana and C. sinensis var. calvescens, 52% and 89%, respectively, of seeds that sank immediately developed embryos and cotyledons germinated. Germination of C. sinensis var. calvescens seeds that sank after 16 h increased to 45% after the first CS treatment, as compared to 12% without CS. Immersing seeds in water for 16 h to collect full and mostly full seeds is recommended. X-ray imaging coupled with immersion is effective technique to select viable seeds. Dormancy could be partially released by immersing seeds in water for 16 h; however, germination was improved after CS.

Suggested Citation

  • Ji Hee Kim & Kyung Ok Kim & Ae Kyung Lee & Mark S. Roh & Jeung Keun Suh, 2017. "Germination of Corylopsis seeds evaluated by X-ray imaging and cold stratification," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 44(2), pages 105-111.
    • Handle: RePEc:caa:jnlhor:v:44:y:2017:i:2:id:194-2015-hortsci
    DOI: 10.17221/194/2015-HORTSCI
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