Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Optimum germination temperature and seedling root growth characteristics of Camelina

카멜리나 (Camelina sativa Crtz.) 발아 적온 및 발아초기 뿌리생육 특성

  • Park, Joon Sung (Department of Horticultural Science, Chungnam National University) ;
  • Choi, Young In (Department of Horticultural Science, Chungnam National University) ;
  • Kim, Augustine Yonghwi (Department of Food Science & Technology, Sejong University) ;
  • Lee, Sang Hyub (Department of Plant Bioresources) ;
  • Kim, Kyung-Nam (Department of Molecular Biology, Sejong University) ;
  • Suh, Mi Chung (Department of Bioenergy Science and Technology, Chonnam Nat'l University) ;
  • Kim, Gi-Jun (Breeding Institute, Asia Seed Co. Ltd.) ;
  • Lee, Geung-Joo (Department of Horticultural Science, Chungnam National University)
  • 박준성 (충남대학교 농업생명과학대학 원예학과) ;
  • 최영인 (충남대학교 농업생명과학대학 원예학과) ;
  • 김용휘 (세종대학교 생명과학대학 식품공학부) ;
  • 이상협 (세종대학교 생명과학대학 바이오자원공학) ;
  • 김경남 (세종대학교 생명과학대학 분자생물학) ;
  • 서미정 (전남대학교 농업생명과학대학 바이오에너지공학과) ;
  • 김기준 (아시아종묘(주)) ;
  • 이긍주 (충남대학교 농업생명과학대학 원예학과)
  • Received : 2013.09.07
  • Accepted : 2013.09.13
  • Published : 2013.09.30
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Abstract

A genus Camelina has been attracted as a promising oil crop, especially available in drought and marginal conditions. Due to more demands on arable land for bioenergy crops, price of agricultural products has been a challengeable issue. In that respect, development of Camelina crop with higher germination rate and germination energy can be a strategy to secure seedling establishment, nutrient uptake and long vegetative period. In order to be easily available in the field and laboratory conditions, Camelina seed needs to be optimized for its germination temperature. Germination temperature regime was in a range of 8 to $32^{\circ}C$ initially, and consecutively narrowed down to 8 to $20^{\circ}C$. Based on the temperature range, Camelina germinated greater than 96% at $8-16^{\circ}C$ in two weeks after sowing, but germination rate started to decrease at the higher than $24^{\circ}C$ and was significantly low at higher than $32^{\circ}C$. In terms of rapid time to reach the maximum germination rate and greater germination energy, temperature ranged from 12 to $16^{\circ}C$ was found to be desirable for Camelina germination. Although germinationa rate was greater at $16^{\circ}C$, lower temperature close to $12^{\circ}C$ would be favored for the field conditions where greater root growth leading to healthier seedlings and better nutrient or water availability is considerably demanded.

Keywords

References

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