Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Effects of Scarification, Temperature and Sulfuric Acid Treatments on Seed Germination of White Lotus (Nelumbo nucifera)

백련(Nelumbo nucifera) 종자의 발아에 미치는 종피의 파상, 온도 및 황산처리 효과

  • Im, Myung-Hee (Department of Horticultural Science, Mokpo National University) ;
  • Kim, Byoung-Woon (Department of Horticultural Science, Mokpo National University) ;
  • Park, Yong-Seo (Department of Horticultural Science, Mokpo National University) ;
  • Yang, Seung-Yul (Department of Horticulture, Sunchon National University) ;
  • Song, Chyae-Eun (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University) ;
  • Heo, Buk-Gu (Naju Foundation of Natural Dyeing Culture)
  • 임명희 (목포대학교 원예과학과) ;
  • 김병운 (목포대학교 원예과학과) ;
  • 박용서 (목포대학교 원예과학과) ;
  • 양승렬 (순천대학교 원예학과) ;
  • 송채은 (원광대학교 원예.애완동식물학부) ;
  • 허북구 ((재)나주시천연염색문화재단)
  • Received : 2011.01.27
  • Accepted : 2011.09.20
  • Published : 2012.02.29
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Abstract

This study was conducted to determine the effects of scarification temperature, and sulfuric acid treatments on seed germination of white lotus collected from the Muan districts, Jeonnam in Korea. Without scarification, white lotus seeds were not germinated at all at 15 days after seeding. However, seeds sacrificed at basal parts showed 100% germination rate at $25^{\circ}C$ 6 days after seeding. All the seeds floated (0.90 g) and soaked (1.18 g) in the water were completely germinated. Especially, the lotus seeds soaked in the water at $25^{\circ}C$ showed high germination rate. Seeds treated with 80% sulfuric acid for 40-160 hours were germinated completely within 6 days after seeding. No difference in seed germination rate of white lotus stored up to 0, 12 and 24 months after harvest was observed. Overall results would be useful means for propagation and production of white lotus.

연 종자의 발아 특성을 구명하기 위해 전남 무안산 백련 종자를 이용해 종피의 파상부위, 발아 온도, 황산용액 처리 농도 및 시간별에 따른 종자 무게 변화와 발아율을 조사하였다. 종자를 파상하지 않고 파종한 것은 15일째가 되어도 전혀 발아가 되지 않았다. 그러나 기부를 파상하여 $25^{\circ}C$에서 발아를 시킨 것은 6일 만에 100%가 발아 되어 가장 우수한 결과를 보였다. 종자를 물에 침적시켰을 때 물에 뜬 것(0.90 g)과 가라앉은 것(1.18 g) 모두 발아 되었으나 침적된 종자를 $25^{\circ}C$에서 발아 시켰을 때 발아세가 가장 좋았다. 황산처리는 80% 용액에서 40-160분간 침적처리 했을때 6일째에 100%가 발아해 가장 우수한 발아세를 나타내었다. 종자 채취 후 0개월, 12개월 및 24개월 된 것을 파종한 결과 발아세와 발아율에 차이가 없었다. 위와 같은 결과는 연의 종자번식에 도움이 될 것으로 사료된다.

Keywords

References

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