Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Effects of Temperature, Light Condition, and Priming Treatment on Seed Germination of Bidens bipinnata L.

온도, 광 및 Priming 처리가 도깨비바늘 종자의 발아에 미치는 영향

  • Lee, Sang Yong (Plant Conservation Division, Korea National Arboretum of the Korea Forest Service) ;
  • Baek, Jun Pill (Agriculture and Life Science Research Institute, Kangwon National University)
  • 이상용 (국립수목원 산림자원보존과) ;
  • 백준필 (강원대학교 농업생명과학연구원)
  • Received : 2013.05.30
  • Accepted : 2013.06.14
  • Published : 2013.06.30
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Abstract

This study was carried out to investigate the effects of light, temperature, and priming treatment on the germination of Bidens bipinnata seeds for the purpose of cultivation of new vegetable crop. The results showed that the treatment of $25^{\circ}C$ yielded the highest germination percentages and the highest germination speed in both light and dark conditions. Light condition had no effect on the germination of B. bipinnata. Priming treatments demon-strated the following improved germination percentages: $Ca(NO_3)_2$ 0.1 M (68.3%), $K_3PO_4$ 0.1 M (63.3%), and $KNO_3$ 0.1 M (53.3%), with $Ca(NO_3)_2$ 0.1 M treatment giving the greatest improvement. Consequentially, the results suggested that $25^{\circ}C$ light condition, and $K_3PO_4$ 0.1 M or $Ca(NO_3)_2$ 0.1 M priming treatments would be effective method to improve the germination of Bidens bipinnata seeds.

본 연구는 도깨비바늘을 새로운 채소작물로 재배하기 위한 목적으로 종자 발아에 미치는 광, 온도 조건 및 priming 처리가 미치는 영향을 구명하기 위하여 실시하였다. 실험 결과, 발아율의 경우 명조건과 암조건 모두 $25^{\circ}C$에서 발아율이 가장 높았다. 발아세 역시 명조건, 암조건 모두 $25^{\circ}C$에서 가장 높았다. 광조건은 도깨비바늘의 발아에 영향을 미치지 않았다. 종자에 priming 처리 시 $Ca(NO_3)_2$ 0.1M(68.3%) 처리구에서 무처리구에 비해 약 16% 증가하여 가장 높은 발아율을 보였다. 그 다음으로는 $K_3PO_4$ 0.1M(63.3%) 및 $KNO_3$ 0.1M(53.3%) 순으로 나타났다. 따라서, 도깨비바늘의 발아를 위하여 명조건 $25^{\circ}C$의 온도에 $K_3PO_4$ 0.1M 또는 $Ca(NO_3)_2$ 0.1M로 priming 처리를 하는 것이 효과적인 발아조건으로 판단된다.

Keywords

References

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