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

Ji Hee Kim, Kyung Ok Kim, Ae Kyung Lee, Mark S. Roh and Jeung Keun Suh
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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

Horticultural Science, 2017, vol. 44, issue 2, 105-111

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.

Keywords: Corylopsis coreana; Corylopsis sinensis var. calvescens; full seeds; seed dormancy; viable seed (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlhor:v:44:y:2017:i:2:id:194-2015-hortsci

DOI: 10.17221/194/2015-HORTSCI

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