KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
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Comparison of Growth Characteristics and Chemical Composition of Kenaf (Hibiscus cannabinus L.) Varieties as a Potential Forage Crop

케나프 신육성 및 수집 품종의 생육과 사료적 특성 조사

  • Lee, Ji-Yeon (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Velusamy, Vijayanand (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Koo, Ja-Yong (Institute of Agricultural Science, Chungnam National University) ;
  • Ha, Bo-Keun (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Kim, Dong-Sub (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Kim, Jin-Baek (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Kim, Sang-Hoon (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Kang, Si-Yong (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
  • 이지연 (한국원자력연구원 첨단방사선연구소) ;
  • 벨루사미 비제야난드 (한국원자력연구원 첨단방사선연구소) ;
  • 구자룡 (충남대학교 농업과학연구소) ;
  • 하보근 (한국원자력연구원 첨단방사선연구소) ;
  • 김동섭 (한국원자력연구원 첨단방사선연구소) ;
  • 김진백 (한국원자력연구원 첨단방사선연구소) ;
  • 김상훈 (한국원자력연구원 첨단방사선연구소) ;
  • 강시용 (한국원자력연구원 첨단방사선연구소)
  • Received : 2012.04.19
  • Accepted : 2012.06.07
  • Published : 2012.06.30
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Abstract

Kenaf (Hibiscus cannabinus) is an annual herbaceous plant of the family Malvacease that has been planted in tropical Africa and Asia region for more than 4000 years and use as source of fiber, energy and feed stock. In this study, the physiological characters and chemical compositions of kenaf mutant variety "Jangdae" developed using gamma irradiation at the Korea Atomic Energy Research Institute (KAERI) were compared with three genetic resources (Auxu, C12, and C14-DRS). Jangdae showed the highest productivity growth rates in fresh yield, dry weight (DW) yield (leaf and stem), node number, and stem thickness. Especially, leaf DW yield of Jangdae was 1.6-3.1 times higher than that of three genetic resources. Also, stem DW yield of Jangdae was 1.6-2.1 times higher than that of three genetic resources. In the analysis of chemical composition, Jangdae showed 16.9% of crude protein content that was 0.86-0.94 times lower than three cultivars. However, Jangdae showed the highest neutral detergent fiber (NDF) contents in leaf (32.5%) and stem (75.2%). Also, acid detergent fiber (ADF) contents of stem and leaf in Jangdae were 64.4% and 33.9%, respectively. Total polyphenol and total flavonoid contents were 22.1 mg/g and 7.4 mg/g in Jangdae. Based on these results, Jangdae would have the potential to become a successful forage crop.

본 연구에서는 대표적인 섬유작물인 케나프의 가축 사료용으로 이용 가능성을 검증하기 위해서 한국원자력연구원에서 개발한 신품종 장대와 다른 품종들(옥수, C12, C14-DRS)에서 생육특성과 유용물질 함량을 비교 분석하였다. 전체적으로 돌연변이 신품종 장대가 다른 대조품종들보다는 생육이 좋았는데 특히 생체중, 건물중, 줄기직경, 마디 수에서 대조품종들보다 1.6~3.1배 가량 높은 생육 특성을 보였다. 조단백질과 조지방 함량은 장대의 줄기에서 가장 높았으며, 잎에서는 가장 적게 나타났다. 줄기의 조섬유와 조회분 함량은 계통들간의 유의적인 차이를 보이지 않았다. 잎의 조섬유 함량은 C14-DRS가 가장 높았으며 그 다음으로 장대가 높았다. ADF함량은 옥수의 줄기와 잎에서 가장 많이 나타났으며 NDF는 장대의 줄기와 잎에서 가장 높게 나타났다. 총폴리페놀과 총플라보노이드 함량은 옥수, C12, 장대, C14-DRS순으로 나타났다.

Keywords

References

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